CA2470420A1 - Network load balancing with connection manipulation - Google Patents

Network load balancing with connection manipulation Download PDF

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Publication number
CA2470420A1
CA2470420A1 CA002470420A CA2470420A CA2470420A1 CA 2470420 A1 CA2470420 A1 CA 2470420A1 CA 002470420 A CA002470420 A CA 002470420A CA 2470420 A CA2470420 A CA 2470420A CA 2470420 A1 CA2470420 A1 CA 2470420A1
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connection
recited
processor
action
protocol
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CA002470420A
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French (fr)
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CA2470420C (en
Inventor
Abolade Gbadegesin
Sean B. House
Aamer Hydrie
Joseph M. Joy
Sanjay Kaniyar
Robert V. Welland
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Microsoft Technology Licensing LLC
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Microsoft Corp
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Priority claimed from US10/610,321 external-priority patent/US7613822B2/en
Priority claimed from US10/610,519 external-priority patent/US7636917B2/en
Priority claimed from US10/610,506 external-priority patent/US7590736B2/en
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of CA2470420A1 publication Critical patent/CA2470420A1/en
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Publication of CA2470420C publication Critical patent/CA2470420C/en
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
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    • H04L9/40—Network security protocols
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    • H04L67/63—Routing a service request depending on the request content or context
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    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]

Abstract

In an exemplary device implementation, a device includes: a connection migrator that is configured to migrate connections away from the device; the connection migrator capable of precipitating a compilation of protocol state for a connection across a protocol stack; the connection migrator adapted to aggregate the compiled protocol state with data for the connection into an aggregated connection state; the connection migrator further capable of causing the aggregated connection state to be sent toward a target device. In an exemplary media implementation, processor-executable instructions direct a device to perform actions including: obtaining at least a portion of a source/destination pair from a packet; accessing an encapsulation mapping table using the at least a portion of the source/destination pair to locate an encapsulation mapping entry; extracting a flow identifier from the encapsulation mapping entry; and replacing part of the packet with the flow identifier to produce an encapsulated packet.

Claims (86)

1. One or more processor-accessible media comprising processor-executable instructions that, when executed, direct ai device to perform actions comprising:
accepting a connection;
aggregating a connection state for the connection from a protocol stack; and sending the connection state.
2. The one or more processor-accessible media as recited in claim 1, wherein the action of accepting comprises an action of:
sending an acknowledgment packet in response to a connection-requesting packet.
3. The one or more processor-accessible media as recited in claim 1, comprising the processor-executable instructions than, when executed, direct the device to perform a further action comprising:
receiving data for the connection;
wherein the action of aggregating comprises an action of:
aggregating the connection state from a protocol state of the protocol stack and the data.
4. The one or more processor-accessible media as recited in claim 1, wherein the action of aggregating comprises an action of:
compiling a protocol state from the protocol stack.
5. The one or more processor-accessible media as recited in claim 4, wherein the action of compiling comprises an action of:
compiling the protocol state from the protocol stack starting at a highest level of the protocol stack.
6. The one or more processor-accessible media as recited in claim 4, wherein the action of compiling comprises an action of:
compiling the protocol state from the protocol stack at a transmission control protocol (TCP) stack portion and an Internet protocol (IP) stack portion.
7. The one or more processor-accessible media as recited in claim 1, wherein the action of sending comprises actions of:
bundling the connection state with a flow identifier that corresponds to the connection to produce a binary blob; and.
transmitting the binary blob from an originating device to a target device.
8. The one or more processor-accessible media as recited in claim 1, wherein the action of sending comprises actions of:
bundling the connection state with a flow identifier that corresponds to the connection to produce a binary blob; and transmitting the binary blob from an originating device to a target device in a reliable manner such that the binary blob may be received intact at the target device even if one or more packets that comprise the binary blob are lost or corrupted.
9. The one or more processor-accessible media as recited in claim 1, comprising the processor-executable instructions that, when executed, direct the device to perform further actions comprising:
selecting a flow identifier for the connection responsive to a connection counter; and sending the flow identifier to identify packets corresponding to the connection.
10. The one or more processor-accessible media as recited in claim 1, wherein the action of sending comprises an action of:
sending the connection state to a targeted device;
wherein the processor-executable instructions, when executed, direct the device to perform a further action comprising:
forwarding subsequent packets for the connection to the targeted device using a flow identifier to encapsulate the subsequent packets.
11. One or more processor-accessible media comprising processor-executable instructions that, when executed, direct a device to perform actions comprising:
receiving a connection state for a connection;
injecting the connection state for the connection into a network stack; and continuing the connection using the injected connection state.
12. The one or more processor-accessible media as recited in claim 11, wherein the action of continuing comprises an action of:
continuing the connection by indicating received packets up to an application in accordance with the injected connection state.
13. The one or more processor-accessible media as recited in claim 11, wherein:
the action of receiving comprises an action of:
receiving the connection state, the connection state having a protocol state and data for the connection; and the action of injecting comprises an action of:
injecting the protocol state into a protocol stack portion of the network stack.
14. The one or more processor-accessible media as recited in claim 13, wherein the action of injecting the connection state further comprises an action of:
indicating the data for the connection up the network stack toward an application.
15. The one or more processor-accessible media as recited in claim 11, wherein the action of injecting comprises an action of:
infusing a protocol state from the connection state into a protocol stack portion of the network stack.
16. The one or more processor-accessible media as recited in claim 15, wherein the action of infusing comprises an action of:
infusing the protocol state into the protocol stack starting at a highest level of the protocol stack.
17. The one or more processor-accessible media as recited in claim 15, wherein the action of infusing comprises an action of, infusing the protocol state into the protocol stack at a transmission control protocol (TCP) stack portion and an Internet protocol (IP) stack portion.
18. The one or more processor-accessible media as recited in claim 11, wherein the action of receiving comprises actions of:
receiving a binary blob from an originating device at a target device, the binary blob including the connection state and a flow identifier that corresponds to the connection; and unbundling the connection state and the flow identifier at a level of the network stack that is below a protocol stack portion of the network stack.
19. The one or more processor-accessible media as recited in claim 11, comprising the processor-executable instructions that, when executed, direct the device to perform further actions comprising:
receiving an encapsulation mapping; and storing the received encapsulation mapping in an encapsulation mapping table that may be accessed according to flow identifier.
20. The one or more processor-accessible media as recited in claim 11, wherein the action of receiving comprises an action of:
receiving the connection state from an originating device;
wherein the processor-executable', instructions, when executed, direct the device to perform a further action comprising:
receiving from the originating device encapsulated packets that have a flow identifier; and de-encapsulating the encapsulated packets usin;~ an encapsulation mapping entry that links the flow identifier to a source/destination pair.
21. One or more processor-accessible media comprising processor-executable instructions that comprise at least part of an application, wherein the processor-executable instructions, when executed, enable the application to initiate a connection migration by issuing a migrate connection function call to a socket layer such that the socket layer propagates the migrate; connection function call to a protocol stack, the migrate connection function call precipitating at the protocol stack a compilation of protocol state from the protocol stack.
22. The one or more processor-accessible media as recited in claim 21, wherein the application comprises at least one of a general application, a hosted application, and a load balancing application.
23. A device comprising:
a connection migrator that is configured to migrate connections away from the device; the connection migrator capable of precipitating a compilation of protocol state for a connection across a protocol stack; the connection migrator adapted to aggregate the compiled protocol state with data for the connection into an aggregated connection state of the connection; the connection migrator further capable of causing the aggregated connection state to be sent toward a target device.
24. The device as recited in claim 23, wherein the connection migrator is realized at least partially in software.
25. The device as recited in claim 23, wherein the device further comprises:
a classifier that is capable of accepting the connection, the classifier adapted to issue a migrate connection command to the connection migrator.
26. The device as recited in claim 25, wherein the data, which is aggregated with the compiled protocol state into the aggregated connection state, comprises data that has been acknowledged by the classifier.
27. The device as recited in claim 23, wherein the connection migrator comprises:
a migrator shim that is located above the protocol stack in a network stack of the device; and a migrator intermediate driver that is located below the protocol stack in the network stack of the device.
28. The device as recited in claim 27, wherein:
the migrator shim is located between the protocol stack and a socket layer of the network stack of the device; and the migrator intermediate driver is located between the protocol stack and at least one miniport of the network stack of the device.
29. The device as recited in claim 28, wherein the migrator intermediate driver is located at a protocol-hardware interface layer of the network stack of the device.
30. The device as recited in claim 27, wherein:
the migrator shim is adapted to receive a migrate connection command and to propagate the migrate connection command to the protocol stack; and the migrator intermediate driver is adapted to divert a copy of the data for the connection for subsequent aggregation with the compiled protocol state.
31. The device as recited in claim 27, wherein the migrator intermediate driver is adapted to bundle the aggregated connection state and a flow identifier for the connection into a binary blob.
32. The device as recited in claim 23, wherein the connection comprises a transmission control protocol/internet protocol (TCP/IP) connection, and the compiled protocol state includes information related to a TCP/IP connection.
33. The device as recited in claim 23, wherein the device further comprises:
the protocol stack, the protocol stack adapted to compile the protocol state for the connection into the compiled protocol state responsive to a migrate connection command.
34. A device comprising:
a connection migrator that is configured to migrate connections onto the device; the connection migrator adapted to intercept a connection state for a connection that is sent from an originating device, the connection state including a protocol state and data; the connection migrator further adapted to inject the connection state into a network stack of the device; the connection migrator capable of precipitating an infusion of the protocol state for the connection across a protocol stack of the network stack.
35. The device as recited in claim 34, wherein the connection migrator comprises at least part of load balancing infrastructure that is resident at and executing on the device.
36. The device as recited in claim 34, wherein the device further comprises:
an application that is hosted on the device;
wherein the connection migrator is further configured to migrate connections onto the device in a manner that is transparent to the application.
37. The device as recited in claim 34, wherein the data included in the connection state comprises data that was acknowledged at the originating device.
38. The device as recited in claim 34, wherein the connection migrator comprises:
a migrator shim that is located above the protocol stack in the network stack of the device; and a migrator intermediate driver that is located below the protocol stack in the network stack of the device.
39. The device as recited in claim 38, wherein:
the migrator shim is located between the; protocol stack and a socket layer of the network stack of the device; and the migrator intermediate driver is located between the protocol stack and at least one miniport of the network stack of the device.
40. The device as recited in claim 38, wherein:
the migrator shim is adapted to be notified by the migrator intermediate driver of a migration uploading procedure and is adapted to initiate a protocol state infusion routine with the protocol stack; and the migrator intermediate driver is adapted to detect arrival of the connection state for the connection, to divert the connection state away from a lower portion of the protocol stack, and to notify the migrator shim of the migration uploading procedure.
41. The device as recited in claim 38, wherein the migrator intermediate driver is adapted to un-bundle a received binary blob that includes the connection state for the connection and a flow identifier corresponding to the connection.
42. The device as recited in claim 34, wherein the device further comprises:
the protocol stack, the protocol stack including a transmission control protocol (TCP) layer and an Internet protocol (IP) layer.
43. The device as recited in claim 34, wherein the device further comprises:
the protocol stack, the protocol stack adapted to infuse the protocol state for the connection across the protocol stack responsive: to initiation of an infuse protocol state routine.
44. An arrangement for connection manipulation, comprising:
migration means for migrating connections from an originating device to a target device by transferring a connection state for a connection being migrated from the originating device to the target device; and tunneling means for tunneling packets for migrated connections in an encapsulated format from the originating device to the; target device.
45. The arrangement as recited in claim 44, wherein the migration means comprises:
aggregation means for aggregating the connection state from a protocol state and from data acknowledged for the connection being migrated.
46. The arrangement as recited in claim 45, wherein the aggregation means comprises:
compilation means for compiling the protocol state from a protocol stack.
47. The arrangement as recited in claim 44, wherein the tunneling means comprises:
encapsulation means for encapsulating the packets for the migrated connections using flow identifiers that replace at least a part of source/destination address information pairs of the packets.
48. The arrangement as recited in claim 44, wherein the tunneling means comprises:
mapping means for mapping individual source/destination address information pairs to individual flow identifiers, respective source/destination address information pairs identifying respective migrated connections.
49. The arrangement as recited in claim 44, wherein the migration means comprises:
driver means for bundling the connection state with a flow identifier that is usable for encapsulating packets of the connection being migrated.
50. The arrangement as recited in claim 44, wherein the migration means comprises:
injection means for injecting a protocol state portion of the connection state for the connection being migrated into a protocol stack portion of a network stack.
51. The arrangement as recited in claim 44, wherein the tunneling means comprises:
de-encapsulation means for de-encapsulating the tunneled packets for the migrated connections using flow identifiers that link to at least a part of source/destination address information pairs of the packets.
52. The arrangement as recited in claim 44, wherein the tunneling means comprises:
mapping means for mapping individual flow identifiers to individual source/destination address information pairs, respective source/destination address information pairs identifying respective migrated connections.
53. The arrangement as recited in claim 44, wherein the migration means comprises:
driver means for diverting the tunneled packets for the migrated connections in the encapsulated format and directing them to the tunneling means.
54. The arrangement as recited in claim 44, wherein the arrangement comprises at least one device.
55. The arrangement as recited in claim 44, wherein the arrangement comprises one or more processor-accessible media.
56. A device comprising:
a tunneler that is configured to tunnel packets away from the device; the tunneler having access to an encapsulation mapping table, the encapsulation mapping table including a plurality of encapsulation mapping entries, each encapsulation mapping entry linking at least a portion of a source/destination pair to a flow identifier; the tunneler adapted to accept a packet having a particular source/destination pair; the tunneler capable of looking up a particular flow identifier at a particular encapsulation mapping entry using at least a portion of the particular source/destination pair; wherein the tunneler is further adapted to encapsulate the packet by replacing part of the packet with the particular flow identifier.
57. The device as recited in claim 56, wherein the tunneler is realized at least partially in software.
58. The device as recited in claim 56, wherein the device further comprises:
a forwarder that is capable of receiving the packet from a client, the forwarder adapted to provide the packet to the tunneler.
59. The device as recited in claim 56, wherein the tunneler is further adapted to encapsulate the packet by replacing at least part of the particular source/destination pair of the packet with the particular flow identifier.
60. The device as recited in claim 56, wherein the flow identifier comprises 32 bits.
61. The device as recited in claim 56, wherein the particular source/destination pair comprises a particular source/destination address information pair.
62. A device comprising:
a tunneler that is configured to tunnel packets into the device; the tunneler having access to an encapsulation mapping table, the encapsulation mapping table including a plurality of encapsulation mapping entries, each encapsulation mapping entry linking a flow identifier to at least a portion of a source/destination pair; the tunneler adapted to accept an encapsulated packet having a particular flow identifier; the tunneler capable of looking up a particular source/destination pair at a particular encapsulation mapping entry using the particular flow identifier; wherein the tunneler is further adapted to de-encapsulate the encapsulated packet by replacing the particular flow identifier with at least part of the particular source/destination pair.
63. The device as recited in claim 62, wherein the tunneler comprises a migrator intermediate driver that is adapted to intercept the encapsulated packet to prevent the encapsulated packet from being provided to a protocol stack of the device.
64. The device as recited in claim 62, wherein the device further comprises:
a protocol stack;
wherein the tunneler is further adapted to de-encapsulate the encapsulated packet by replacing the particular flow identifier with at least part of the particular source/destination pair to produce a de-encapsulated. packet; the tunneler capable of indicating up the de-encapsulated packet to the protocol stack.
65. The device as recited in claim 64, wherein the tunneler comprises a virtual network adapter that is bound to a destination address of the de-encapsulated packet.
66. The device as recited in claim 62, wherein the device comprises a host of a cluster of hosts.
67. The device as recited in claim 62, wherein the particular source/destination pair corresponds to a transmission control protocol/internet protocol (TCP/IP) 4-tuple; and wherein the tunneler is further adapted to de-encapsulate the encapsulated packet by replacing the particular flow identifier with a source TCP part and a destination TCP port from the TCP/IP-4-tuple.
68. One or more processor-accessible media comprising processor-executable instructions that, when executed, direct a device to perform actions comprising:
obtaining at least a portion of a source/destination pair from an incoming packet;
accessing an encapsulation mapping table using the obtained at least a portion of the source/destination pair to locate an encapsulation mapping entry;
extracting a flow identifier from the located encapsulation mapping entry;
and replacing part of the incoming packet with the extracted flow identifier to produce an encapsulated packet.
69. The one or more processor-accessible media as recited in claim 68, comprising the processor-executable instructions that, when executed, direct the device to perform a further action comprising:
receiving the incoming packet from a client.
70. The one or more processor-accessible media as recited in claim 68, comprising the processor-executable instructions that, when executed, direct the device to perform a further action comprising:
routing the encapsulated packet to a host.
71. The one or more processor-accessible media as recited in claim 68, wherein the source/destination pair of the incoming packet comprises a source/destination address information pair of the incoming packet.
72. The one or more processor-accessible media as recited in claim 68, wherein at least a portion of the processor-executable instructions comprise at least part of load balancing infrastructure.
73. The one or more processor-accessible media as recited in claim 68, wherein the action of replacing comprises an action of:
replacing at least part of the source/destination pair with the extracted flow identifier to produce the encapsulated packet.
74. The one or more processor-accessible media as recited in claim 68, wherein:
the action of obtaining comprises an action of:
obtaining at least a portion of a transmission control protocol/internet protocol (TCP/IP) 4-tuple from the incoming packet; and the action of replacing comprises an action of:
replacing a source TCP port and a destination TCP port from the incoming packet with the extracted flow identifier.
75. The one or more processor-accessible media as recited in claim 74, comprising the processor-executable instructions that, when executed, direct the device to perform a further action comprising:
replacing a source IP address end a destination IP address from the incoming packet with an IP address of an originating device and an IP address of a target device, respectively.
76. One or more processor-accessible media comprising processor-executable instructions that, when executed, direct a device to perform actions comprising:
obtaining a flow identifier from an encapsulated packet;
accessing an encapsulation mapping table using the obtained flow identifier to locate an encapsulation mapping entry;
extracting at least a portion of a source/destination pair from the located encapsulation mapping entry, the source/destination pair identifying a flow of packets for a connection; and replacing the flow identifier of the encapsulated packet with the extracted at least a portion of the source/destination pair to produce a de-encapsulated packet for the connection.
77. The one or more processor-accessible media as recited in claim 76, comprising the processor-executable instructions that, when executed, direct the device to perform a further action comprising:
receiving the encapsulated packet from load balancing infrastructure.
78. The one or more processor-accessible media as recited in claim 76, comprising the processor-executable instructions that, when executed, direct the device to perform a further action comprising:
indicating the de-encapsulated packet up to a protocol stack.
79. The one or more processor-accessible media as recited in claim 78, wherein the action of indicating comprises an action of:
indicating the de-encapsulated packet up on a virtual network adapter that is bound to a destination address of the de-encapsulated packet.
80. The one or more processor-accessible media as recited in claim 76, comprising the processor-executable instructions that, when executed, direct the device to perform further-actions comprising:
receiving an encapsulation mapping; and storing the encapsulation mapping as the encapsulation mapping entry in the encapsulation mapping table.
81. The one or more processor-accessible media as recited in claim 76, wherein at least a portion of the processor-executable instructions comprise at least part of a migratory intermediate driver that is positioned below a protocol stack portion of a network stack.
82. The one or more processor-accessible media as recited in claim 76, wherein the source/destination pair of the located encapsulation mapping entry comprises a source/destination address information pair of the located encapsulation mapping entry.
83. The one or more processor-accessible media as recited in claim 76, wherein the flow of packets for the connection comprises a connection that has been migrated.
84. The one or more processor-accessible media as recited in claim 76, wherein the action of extracting comprises an action of:
extracting a source Internet protocol (IP) address, a destination IP
address, a source transmission control protocol (TCP) port, and a destination TCP port from the located encapsulation mapping entry.
85. The one or more processor-accessible media as recited in claim 76, wherein the action of replacing comprises an action of:
replacing the flow identifier of the encapsulated packet with a source transmission control protocol (TCP) port and a destination TCP port from the located encapsulation mapping entry to produce the de-encapsulated packet for the connection.
86. The one or more processor-accessible media as recited in claim 76, wherein the action of replacing comprises an action of:
replacing an originating internet protocol (IP) address and a destination IP address of the encapsulated packet with a source IP address and a destination IP address, respectively, from the located encapsulation mapping entry to produce the de-encapsulated packet for the connection.
CA2470420A 2003-06-30 2004-06-09 Network load balancing with connection manipulation Expired - Fee Related CA2470420C (en)

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US10/610,321 US7613822B2 (en) 2003-06-30 2003-06-30 Network load balancing with session information
US10/610,519 US7636917B2 (en) 2003-06-30 2003-06-30 Network load balancing with host status information
US10/610,506 2003-06-30
US10/610,321 2003-06-30
US10/610,519 2003-06-30
US10/610,506 US7590736B2 (en) 2003-06-30 2003-06-30 Flexible network load balancing
US10/657,568 US7606929B2 (en) 2003-06-30 2003-09-08 Network load balancing with connection manipulation
US10/657,568 2003-09-08

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Families Citing this family (211)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7343413B2 (en) 2000-03-21 2008-03-11 F5 Networks, Inc. Method and system for optimizing a network by independently scaling control segments and data flow
US8380854B2 (en) 2000-03-21 2013-02-19 F5 Networks, Inc. Simplified method for processing multiple connections from the same client
US6907395B1 (en) * 2000-10-24 2005-06-14 Microsoft Corporation System and method for designing a logical model of a distributed computer system and deploying physical resources according to the logical model
US7606898B1 (en) * 2000-10-24 2009-10-20 Microsoft Corporation System and method for distributed management of shared computers
US7072807B2 (en) * 2003-03-06 2006-07-04 Microsoft Corporation Architecture for distributed computing system and automated design, deployment, and management of distributed applications
US7890543B2 (en) 2003-03-06 2011-02-15 Microsoft Corporation Architecture for distributed computing system and automated design, deployment, and management of distributed applications
US7689676B2 (en) * 2003-03-06 2010-03-30 Microsoft Corporation Model-based policy application
US8122106B2 (en) 2003-03-06 2012-02-21 Microsoft Corporation Integrating design, deployment, and management phases for systems
US7590736B2 (en) * 2003-06-30 2009-09-15 Microsoft Corporation Flexible network load balancing
US7636917B2 (en) * 2003-06-30 2009-12-22 Microsoft Corporation Network load balancing with host status information
US7562145B2 (en) * 2003-08-28 2009-07-14 International Business Machines Corporation Application instance level workload distribution affinities
US8285881B2 (en) * 2003-09-10 2012-10-09 Broadcom Corporation System and method for load balancing and fail over
US8655755B2 (en) * 2003-10-22 2014-02-18 Scottrade, Inc. System and method for the automated brokerage of financial instruments
US7389510B2 (en) * 2003-11-06 2008-06-17 International Business Machines Corporation Load balancing of servers in a cluster
US7778422B2 (en) 2004-02-27 2010-08-17 Microsoft Corporation Security associations for devices
JP4147198B2 (en) * 2004-03-23 2008-09-10 株式会社日立製作所 Storage system
US20050246529A1 (en) 2004-04-30 2005-11-03 Microsoft Corporation Isolated persistent identity storage for authentication of computing devies
US20060064478A1 (en) * 2004-05-03 2006-03-23 Level 3 Communications, Inc. Geo-locating load balancing
US8089972B2 (en) 2004-05-03 2012-01-03 Level 3 Communications, Llc Registration redirect server
US20060112170A1 (en) * 2004-05-03 2006-05-25 Craig Sirkin Geo-locating load balancing
US7400585B2 (en) * 2004-09-23 2008-07-15 International Business Machines Corporation Optimal interconnect utilization in a data processing network
US9843557B2 (en) 2004-12-09 2017-12-12 Level 3 Communications, Llc Systems and methods for dynamically registering endpoints in a network
US7734019B1 (en) * 2004-12-09 2010-06-08 Level 3 Communications, Llc Systems and methods for third party emergency call termination
US8768350B2 (en) 2004-12-09 2014-07-01 Level 3 Communications, Llc Systems and methods for locating endpoints in a communication network
US7640346B2 (en) * 2005-02-01 2009-12-29 Microsoft Corporation Dispatching network connections in user-mode
JP4621044B2 (en) * 2005-03-15 2011-01-26 富士通株式会社 Load distribution apparatus and load distribution method
US20060248194A1 (en) * 2005-03-18 2006-11-02 Riverbed Technology, Inc. Connection forwarding
US8543999B2 (en) * 2005-03-30 2013-09-24 Welch Allyn, Inc. Communication of information between a plurality of network elements
US8489728B2 (en) 2005-04-15 2013-07-16 Microsoft Corporation Model-based system monitoring
US7797147B2 (en) 2005-04-15 2010-09-14 Microsoft Corporation Model-based system monitoring
US20070002822A1 (en) * 2005-06-29 2007-01-04 Nokia Corporation Multi homing transport protocol on a multi-processor arrangement
US20070016393A1 (en) * 2005-06-29 2007-01-18 Microsoft Corporation Model-based propagation of attributes
US8549513B2 (en) 2005-06-29 2013-10-01 Microsoft Corporation Model-based virtual system provisioning
CN1901537A (en) * 2005-07-22 2007-01-24 国际商业机器公司 Self adaptive conversation compression managing method and compression managing device and conversation managing system
US7941309B2 (en) * 2005-11-02 2011-05-10 Microsoft Corporation Modeling IT operations/policies
US9686183B2 (en) * 2005-12-06 2017-06-20 Zarbaña Digital Fund Llc Digital object routing based on a service request
JP4652981B2 (en) * 2006-01-13 2011-03-16 日本電信電話株式会社 DNS server selection device, DNS server selection method, DNS server selection program, and name resolution system
JP4961146B2 (en) * 2006-02-20 2012-06-27 株式会社日立製作所 Load balancing method and system
US7937435B2 (en) * 2006-02-21 2011-05-03 Strangeloop Networks, Inc. Identifying, storing, and retrieving context data for a network message
US8369212B2 (en) * 2006-08-29 2013-02-05 Hewlett-Packard Development Company, L.P. Network path validation based on user-specified criteria
US7840683B2 (en) * 2006-08-31 2010-11-23 Sap Ag Systems and methods of migrating sessions between computer systems
US20080062996A1 (en) * 2006-09-13 2008-03-13 Futurewei Technologies, Inc. Consumer Edge Initiated Pseudo-Wire Multi-Homing in Access Networks
AU2007307196B2 (en) 2006-10-04 2012-02-09 Welch Allyn, Inc. Dynamic medical object information base
US9473316B2 (en) * 2006-10-17 2016-10-18 International Business Machines Corporation Resource consumption reduction via meeting affinity
US8145560B2 (en) * 2006-11-14 2012-03-27 Fmr Llc Detecting fraudulent activity on a network
US20080115213A1 (en) * 2006-11-14 2008-05-15 Fmr Corp. Detecting Fraudulent Activity on a Network Using Stored Information
US8180873B2 (en) * 2006-11-14 2012-05-15 Fmr Llc Detecting fraudulent activity
US20080114858A1 (en) * 2006-11-14 2008-05-15 Fmr Corp. Reconstructing Data on a Network
US7856494B2 (en) 2006-11-14 2010-12-21 Fmr Llc Detecting and interdicting fraudulent activity on a network
US20080168161A1 (en) * 2007-01-10 2008-07-10 International Business Machines Corporation Systems and methods for managing faults within a high speed network employing wide ports
US20080168302A1 (en) * 2007-01-10 2008-07-10 International Business Machines Corporation Systems and methods for diagnosing faults in a multiple domain storage system
US7860934B1 (en) * 2007-01-30 2010-12-28 Intuit Inc. Method and apparatus for tracking financial transactions for a user
US20080209053A1 (en) * 2007-02-28 2008-08-28 Microsoft Corporation HTTP-Based Peer-to-Peer Framework
US20080270638A1 (en) * 2007-04-30 2008-10-30 International Business Machines Corporation Systems and methods for monitoring high speed network traffic via simultaneously multiplexed data streams
US7936767B2 (en) * 2007-04-30 2011-05-03 International Business Machines Corporation Systems and methods for monitoring high speed network traffic via sequentially multiplexed data streams
US9032079B2 (en) * 2007-06-26 2015-05-12 Microsoft Technology Licensing, Llc Management and diagnosis of telephonic devices
GB2450748B (en) * 2007-07-06 2010-12-29 Displaylink Connection between a client device and multiple host devices
GB2453315A (en) 2007-08-15 2009-04-08 Nec Corp Connection Identifier in a telecommunications network
US8037519B2 (en) * 2007-08-31 2011-10-11 Nokia Corporation Apparatus and method for managing access to one or more network resources
US7849275B2 (en) * 2007-11-19 2010-12-07 Sandforce, Inc. System, method and a computer program product for writing data to different storage devices based on write frequency
KR100930037B1 (en) * 2007-12-17 2009-12-07 한국전자통신연구원 Network address translation simulation method and system
US9432213B2 (en) 2007-12-31 2016-08-30 Rpx Clearinghouse Llc IP forwarding across a link state protocol controlled ethernet network
US8291086B2 (en) * 2008-01-18 2012-10-16 General Electric Company Method and system for accessing data in an enterprise information system
US11323510B2 (en) 2008-02-28 2022-05-03 Level 3 Communications, Llc Load-balancing cluster
US8489750B2 (en) 2008-02-28 2013-07-16 Level 3 Communications, Llc Load-balancing cluster
US8539565B2 (en) 2008-03-21 2013-09-17 Microsoft Corporation Load balancing in server computer systems
US8806053B1 (en) 2008-04-29 2014-08-12 F5 Networks, Inc. Methods and systems for optimizing network traffic using preemptive acknowledgment signals
US8566444B1 (en) 2008-10-30 2013-10-22 F5 Networks, Inc. Methods and system for simultaneous multiple rules checking
US8005950B1 (en) 2008-12-09 2011-08-23 Google Inc. Application server scalability through runtime restrictions enforcement in a distributed application execution system
US7921215B2 (en) * 2009-01-12 2011-04-05 Cisco Technology, Inc. Method and apparatus for optimizing and prioritizing the creation of a large number of VPN tunnels
JP5458688B2 (en) * 2009-03-19 2014-04-02 富士通株式会社 Uniqueness guarantee support program, service providing system, and uniqueness guarantee realization method
US20100251259A1 (en) * 2009-03-31 2010-09-30 Howard Kevin D System And Method For Recruitment And Management Of Processors For High Performance Parallel Processing Using Multiple Distributed Networked Heterogeneous Computing Elements
US7957319B2 (en) * 2009-05-08 2011-06-07 Blue Coat Systems, Inc. Classification techniques for encrypted network traffic
US8416692B2 (en) * 2009-05-28 2013-04-09 Microsoft Corporation Load balancing across layer-2 domains
US9497039B2 (en) 2009-05-28 2016-11-15 Microsoft Technology Licensing, Llc Agile data center network architecture
US10157280B2 (en) 2009-09-23 2018-12-18 F5 Networks, Inc. System and method for identifying security breach attempts of a website
US8868961B1 (en) 2009-11-06 2014-10-21 F5 Networks, Inc. Methods for acquiring hyper transport timing and devices thereof
US10721269B1 (en) 2009-11-06 2020-07-21 F5 Networks, Inc. Methods and system for returning requests with javascript for clients before passing a request to a server
US8755393B2 (en) * 2010-04-02 2014-06-17 Cisco Technology, Inc. Facilitating communication of routing information
US9391716B2 (en) 2010-04-05 2016-07-12 Microsoft Technology Licensing, Llc Data center using wireless communication
US8468135B2 (en) * 2010-04-14 2013-06-18 International Business Machines Corporation Optimizing data transmission bandwidth consumption over a wide area network
US8243598B2 (en) * 2010-04-26 2012-08-14 International Business Machines Corporation Load-balancing via modulus distribution and TCP flow redirection due to server overload
US8478813B2 (en) * 2010-04-28 2013-07-02 Microsoft Corporation Transparent migration of endpoint
US9667569B1 (en) 2010-04-29 2017-05-30 Amazon Technologies, Inc. System and method for adaptive server shielding
US20110280247A1 (en) * 2010-05-17 2011-11-17 Google Inc. System and method for reducing latency via multiple network connections
WO2011152816A1 (en) * 2010-05-30 2011-12-08 Hewlett-Packard Development Company, L.P. Virtual machine code injection
US9141625B1 (en) 2010-06-22 2015-09-22 F5 Networks, Inc. Methods for preserving flow state during virtual machine migration and devices thereof
US10015286B1 (en) 2010-06-23 2018-07-03 F5 Networks, Inc. System and method for proxying HTTP single sign on across network domains
US8908545B1 (en) 2010-07-08 2014-12-09 F5 Networks, Inc. System and method for handling TCP performance in network access with driver initiated application tunnel
US8347100B1 (en) 2010-07-14 2013-01-01 F5 Networks, Inc. Methods for DNSSEC proxying and deployment amelioration and systems thereof
US9083760B1 (en) 2010-08-09 2015-07-14 F5 Networks, Inc. Dynamic cloning and reservation of detached idle connections
US9037712B2 (en) * 2010-09-08 2015-05-19 Citrix Systems, Inc. Systems and methods for self-loading balancing access gateways
US8630174B1 (en) 2010-09-14 2014-01-14 F5 Networks, Inc. System and method for post shaping TCP packetization
US8886981B1 (en) 2010-09-15 2014-11-11 F5 Networks, Inc. Systems and methods for idle driven scheduling
US8804504B1 (en) 2010-09-16 2014-08-12 F5 Networks, Inc. System and method for reducing CPU load in processing PPP packets on a SSL-VPN tunneling device
US20120102220A1 (en) * 2010-10-20 2012-04-26 Microsoft Corporation Routing traffic in an online service with high availability
US20120102474A1 (en) * 2010-10-26 2012-04-26 International Business Machines Corporation Static analysis of client-server applications using framework independent specifications
EP2633667B1 (en) 2010-10-29 2017-09-06 F5 Networks, Inc System and method for on the fly protocol conversion in obtaining policy enforcement information
US8959571B2 (en) 2010-10-29 2015-02-17 F5 Networks, Inc. Automated policy builder
US8755283B2 (en) 2010-12-17 2014-06-17 Microsoft Corporation Synchronizing state among load balancer components
US8627467B2 (en) 2011-01-14 2014-01-07 F5 Networks, Inc. System and method for selectively storing web objects in a cache memory based on policy decisions
US10135831B2 (en) 2011-01-28 2018-11-20 F5 Networks, Inc. System and method for combining an access control system with a traffic management system
US8612550B2 (en) 2011-02-07 2013-12-17 Microsoft Corporation Proxy-based cache content distribution and affinity
JP5741150B2 (en) 2011-04-04 2015-07-01 富士通株式会社 Relay device, relay program, and relay method
JP5960690B2 (en) * 2011-04-19 2016-08-02 株式会社Ｍｕｒａｋｕｍｏ Network access system
US9578126B1 (en) 2011-04-30 2017-02-21 F5 Networks, Inc. System and method for automatically discovering wide area network optimized routes and devices
US9137104B2 (en) * 2011-05-26 2015-09-15 Kaseya Limited Method and apparatus of performing remote management of a managed machine
US8417669B2 (en) * 2011-06-01 2013-04-09 Sybase Inc. Auto-correction in database replication
US9246819B1 (en) * 2011-06-20 2016-01-26 F5 Networks, Inc. System and method for performing message-based load balancing
US9055076B1 (en) * 2011-06-23 2015-06-09 Amazon Technologies, Inc. System and method for distributed load balancing with load balancer clients for hosts
US8812727B1 (en) 2011-06-23 2014-08-19 Amazon Technologies, Inc. System and method for distributed load balancing with distributed direct server return
US20130060907A1 (en) 2011-09-07 2013-03-07 International Business Machines Corporation Handling http-based service requests via ip ports
US20130159487A1 (en) * 2011-12-14 2013-06-20 Microsoft Corporation Migration of Virtual IP Addresses in a Failover Cluster
US9270766B2 (en) 2011-12-30 2016-02-23 F5 Networks, Inc. Methods for identifying network traffic characteristics to correlate and manage one or more subsequent flows and devices thereof
US9444884B2 (en) * 2011-12-31 2016-09-13 Level 3 Communications, Llc Load-aware load-balancing cluster without a central load balancer
US10230566B1 (en) 2012-02-17 2019-03-12 F5 Networks, Inc. Methods for dynamically constructing a service principal name and devices thereof
US9231879B1 (en) 2012-02-20 2016-01-05 F5 Networks, Inc. Methods for policy-based network traffic queue management and devices thereof
US9172753B1 (en) 2012-02-20 2015-10-27 F5 Networks, Inc. Methods for optimizing HTTP header based authentication and devices thereof
US8908521B2 (en) * 2012-04-04 2014-12-09 Telefonaktiebolaget L M Ericsson (Publ) Load balancing for stateful scale-out network services
CN103379185B (en) * 2012-04-26 2016-08-03 华为技术有限公司 A kind of method, apparatus and system of network address translation
EP2853074B1 (en) 2012-04-27 2021-03-24 F5 Networks, Inc Methods for optimizing service of content requests and devices thereof
US9705729B2 (en) * 2012-06-01 2017-07-11 Dell Products L.P. General client engine with load balancing for client-server communication
US8805990B2 (en) 2012-07-12 2014-08-12 Microsoft Corporation Load balancing for single-address tenants
US9329912B2 (en) * 2012-07-13 2016-05-03 Freescale Semiconductor, Inc. Core-affine processing on symmetric multiprocessing systems
US9705800B2 (en) * 2012-09-25 2017-07-11 A10 Networks, Inc. Load distribution in data networks
US9246998B2 (en) 2012-10-16 2016-01-26 Microsoft Technology Licensing, Llc Load balancer bypass
TWI511513B (en) * 2012-11-14 2015-12-01 Wistron Corp Detection method in network system and related apparatus
KR101424508B1 (en) 2012-11-15 2014-08-01 주식회사 시큐아이 Encrypting/decrypting appratus for load balancing and method thereof
JP6048149B2 (en) * 2013-01-04 2016-12-21 富士通株式会社 COMMUNICATION CONTROL METHOD, INFORMATION PROCESSING SYSTEM, COMMUNICATION CONTROL DEVICE, AND COMMUNICATION CONTROL PROGRAM
US10375155B1 (en) 2013-02-19 2019-08-06 F5 Networks, Inc. System and method for achieving hardware acceleration for asymmetric flow connections
US10397292B2 (en) 2013-03-15 2019-08-27 Divx, Llc Systems, methods, and media for delivery of content
US10135914B2 (en) * 2013-04-16 2018-11-20 Amazon Technologies, Inc. Connection publishing in a distributed load balancer
US10038626B2 (en) 2013-04-16 2018-07-31 Amazon Technologies, Inc. Multipath routing in a distributed load balancer
US10069903B2 (en) * 2013-04-16 2018-09-04 Amazon Technologies, Inc. Distributed load balancer
US9553809B2 (en) * 2013-04-16 2017-01-24 Amazon Technologies, Inc. Asymmetric packet flow in a distributed load balancer
CN104243337B (en) * 2013-06-09 2017-09-01 新华三技术有限公司 A kind of method and device across cluster load balance
US9300669B2 (en) 2013-06-14 2016-03-29 Dell Products L.P. Runtime API framework for client-server communication
US9407725B2 (en) 2013-06-14 2016-08-02 Dell Products L.P. Generic transcoding service for client-server communication
US9716740B2 (en) 2013-06-14 2017-07-25 Dell Products L.P. Web-based transcoding to clients for client-server communication
CN103281251B (en) * 2013-06-18 2017-03-15 北京百度网讯科技有限公司 Data transmission method, system and its subsystem between data center
CA2819539C (en) * 2013-06-21 2021-01-12 Ibm Canada Limited - Ibm Canada Limitee Dynamic management of integration protocols
US8976666B2 (en) * 2013-07-25 2015-03-10 Iboss, Inc. Load balancing network adapter
US10187317B1 (en) 2013-11-15 2019-01-22 F5 Networks, Inc. Methods for traffic rate control and devices thereof
IL230345A0 (en) * 2014-01-06 2014-08-31 Simgo Ltd Parking identity method for a mobile device
US10587509B2 (en) * 2014-02-04 2020-03-10 Architecture Technology Corporation Low-overhead routing
CN104980361B (en) * 2014-04-01 2018-09-21 华为技术有限公司 A kind of load-balancing method, apparatus and system
US10742559B2 (en) * 2014-04-24 2020-08-11 A10 Networks, Inc. Eliminating data traffic redirection in scalable clusters
US9917727B2 (en) 2014-06-03 2018-03-13 Nicira, Inc. Consistent hashing for network traffic dispatching
US10015143B1 (en) 2014-06-05 2018-07-03 F5 Networks, Inc. Methods for securing one or more license entitlement grants and devices thereof
US9577927B2 (en) * 2014-06-30 2017-02-21 Nicira, Inc. Encoding control plane information in transport protocol source port field and applications thereof in network virtualization
US11838851B1 (en) 2014-07-15 2023-12-05 F5, Inc. Methods for managing L7 traffic classification and devices thereof
US10122630B1 (en) 2014-08-15 2018-11-06 F5 Networks, Inc. Methods for network traffic presteering and devices thereof
US9356912B2 (en) * 2014-08-20 2016-05-31 Alcatel Lucent Method for load-balancing IPsec traffic
US10182013B1 (en) 2014-12-01 2019-01-15 F5 Networks, Inc. Methods for managing progressive image delivery and devices thereof
US9876724B2 (en) * 2014-12-23 2018-01-23 Jordan University Of Science And Technology Method for seamless multi-link network connectivity
US11895138B1 (en) 2015-02-02 2024-02-06 F5, Inc. Methods for improving web scanner accuracy and devices thereof
US10484297B1 (en) * 2015-03-16 2019-11-19 Amazon Technologies, Inc. Automated migration of compute instances to isolated virtual networks
US10834065B1 (en) 2015-03-31 2020-11-10 F5 Networks, Inc. Methods for SSL protected NTLM re-authentication and devices thereof
US11350254B1 (en) 2015-05-05 2022-05-31 F5, Inc. Methods for enforcing compliance policies and devices thereof
US10505818B1 (en) 2015-05-05 2019-12-10 F5 Networks. Inc. Methods for analyzing and load balancing based on server health and devices thereof
US9954751B2 (en) 2015-05-29 2018-04-24 Microsoft Technology Licensing, Llc Measuring performance of a network using mirrored probe packets
WO2017036535A1 (en) * 2015-09-03 2017-03-09 Huawei Technologies Co., Ltd. Distributed connection tracking
IL242353B (en) * 2015-10-29 2021-01-31 Verint Systems Ltd System and method for soft failovers for proxy servers
US11757946B1 (en) 2015-12-22 2023-09-12 F5, Inc. Methods for analyzing network traffic and enforcing network policies and devices thereof
US10404698B1 (en) 2016-01-15 2019-09-03 F5 Networks, Inc. Methods for adaptive organization of web application access points in webtops and devices thereof
US11178150B1 (en) 2016-01-20 2021-11-16 F5 Networks, Inc. Methods for enforcing access control list based on managed application and devices thereof
US10797888B1 (en) 2016-01-20 2020-10-06 F5 Networks, Inc. Methods for secured SCEP enrollment for client devices and devices thereof
US10313271B2 (en) 2016-03-16 2019-06-04 At&T Intellectual Property I, L.P. Providing and using a distributed forwarding service
JP6511013B2 (en) * 2016-05-19 2019-05-08 日本電信電話株式会社 SFC system and SFC control method
TWI616080B (en) * 2016-05-30 2018-02-21 Chunghwa Telecom Co Ltd Network instant control method
US10791088B1 (en) 2016-06-17 2020-09-29 F5 Networks, Inc. Methods for disaggregating subscribers via DHCP address translation and devices thereof
CN106412969B (en) * 2016-07-01 2019-06-04 广东省电信规划设计院有限公司 The method and apparatus of integrated service gateway disaster tolerance switching
US10542071B1 (en) * 2016-09-27 2020-01-21 Amazon Technologies, Inc. Event driven health checks for non-HTTP applications
US11063758B1 (en) 2016-11-01 2021-07-13 F5 Networks, Inc. Methods for facilitating cipher selection and devices thereof
US10505792B1 (en) 2016-11-02 2019-12-10 F5 Networks, Inc. Methods for facilitating network traffic analytics and devices thereof
CN108024290B (en) * 2016-11-03 2022-07-08 中兴通讯股份有限公司 Tunnel adjusting method and device
US10700960B2 (en) * 2016-11-17 2020-06-30 Nicira, Inc. Enablement of multi-path routing in virtual edge systems
US10425472B2 (en) * 2017-01-17 2019-09-24 Microsoft Technology Licensing, Llc Hardware implemented load balancing
US10084855B2 (en) * 2017-01-23 2018-09-25 Akamai Technologies, Inc. Pixel-based load balancing
US11496438B1 (en) 2017-02-07 2022-11-08 F5, Inc. Methods for improved network security using asymmetric traffic delivery and devices thereof
US10498795B2 (en) 2017-02-17 2019-12-03 Divx, Llc Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming
US10764360B2 (en) * 2017-03-01 2020-09-01 Huawei Technologies Co., Ltd. Managing persistent TCP connections in an IPVS environment
US10791119B1 (en) 2017-03-14 2020-09-29 F5 Networks, Inc. Methods for temporal password injection and devices thereof
US10812266B1 (en) 2017-03-17 2020-10-20 F5 Networks, Inc. Methods for managing security tokens based on security violations and devices thereof
US10931662B1 (en) 2017-04-10 2021-02-23 F5 Networks, Inc. Methods for ephemeral authentication screening and devices thereof
US10972453B1 (en) 2017-05-03 2021-04-06 F5 Networks, Inc. Methods for token refreshment based on single sign-on (SSO) for federated identity environments and devices thereof
US11343237B1 (en) 2017-05-12 2022-05-24 F5, Inc. Methods for managing a federated identity environment using security and access control data and devices thereof
US11122042B1 (en) 2017-05-12 2021-09-14 F5 Networks, Inc. Methods for dynamically managing user access control and devices thereof
US10713223B2 (en) * 2017-06-01 2020-07-14 Salesforce.Com, Inc. Opportunistic gossip-type dissemination of node metrics in server clusters
US10693951B2 (en) 2017-06-01 2020-06-23 Salesforce.Com, Inc. Decentralized, resource aware load distribution in a distributed system
US10536548B2 (en) * 2017-06-20 2020-01-14 Western Digital Technologies, Inc. Redundant network routing with proxy servers
TWI650979B (en) * 2017-07-25 2019-02-11 中華電信股份有限公司 Load balance adjustment system and method thereof
US10798159B2 (en) * 2017-07-26 2020-10-06 Netapp, Inc. Methods for managing workload throughput in a storage system and devices thereof
US11122083B1 (en) 2017-09-08 2021-09-14 F5 Networks, Inc. Methods for managing network connections based on DNS data and network policies and devices thereof
CN109714302B (en) 2017-10-25 2022-06-14 阿里巴巴集团控股有限公司 Method, device and system for unloading algorithm
US11658995B1 (en) 2018-03-20 2023-05-23 F5, Inc. Methods for dynamically mitigating network attacks and devices thereof
US11409569B2 (en) * 2018-03-29 2022-08-09 Xilinx, Inc. Data processing system
US10938778B2 (en) * 2018-05-02 2021-03-02 Forcepoint Llc Route reply back interface for cloud internal communication
US11044200B1 (en) 2018-07-06 2021-06-22 F5 Networks, Inc. Methods for service stitching using a packet header and devices thereof
US10904342B2 (en) * 2018-07-30 2021-01-26 Cisco Technology, Inc. Container networking using communication tunnels
CN110858229B (en) 2018-08-23 2023-04-07 阿里巴巴集团控股有限公司 Data processing method, device, access control system and storage medium
US10521328B1 (en) * 2018-10-22 2019-12-31 Sap Se Application data flow mapping
JP2020136743A (en) * 2019-02-13 2020-08-31 日本電信電話株式会社 Communication controller, communication control program, communication control system, and communication control method
US11570100B2 (en) * 2019-04-25 2023-01-31 Advanced New Technologies Co., Ltd. Data processing method, apparatus, medium and device
CN110365759B (en) * 2019-07-08 2021-12-28 深圳市多尼卡航空电子有限公司 Data forwarding method, device, system, gateway equipment and storage medium
US11405668B2 (en) * 2020-10-30 2022-08-02 Rovi Guides, Inc. Systems and methods for viewing-session continuity
US11799761B2 (en) 2022-01-07 2023-10-24 Vmware, Inc. Scaling edge services with minimal disruption
US11888747B2 (en) 2022-01-12 2024-01-30 VMware LLC Probabilistic filters for use in network forwarding and services
US11522948B1 (en) * 2022-02-04 2022-12-06 International Business Machines Corporation Dynamic handling of service mesh loads using sliced replicas and cloud functions
US11553058B1 (en) * 2022-02-09 2023-01-10 coretech It, UAB Sticky sessions in a proxy infrastructure
CN115309406B (en) * 2022-09-30 2022-12-20 北京大禹智芯科技有限公司 Performance optimization method and device of P4 control branch statement

Family Cites Families (178)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200770A (en) * 1977-09-06 1980-04-29 Stanford University Cryptographic apparatus and method
US4218582A (en) 1977-10-06 1980-08-19 The Board Of Trustees Of The Leland Stanford Junior University Public key cryptographic apparatus and method
US4405829A (en) 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
US4424414A (en) * 1978-05-01 1984-01-03 Board Of Trustees Of The Leland Stanford Junior University Exponentiation cryptographic apparatus and method
DE3789215T2 (en) 1986-12-22 1994-06-01 American Telephone & Telegraph Controlled dynamic load balancing for a multiprocessor system.
US5031089A (en) 1988-12-30 1991-07-09 United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Dynamic resource allocation scheme for distributed heterogeneous computer systems
JPH0488489A (en) 1990-08-01 1992-03-23 Internatl Business Mach Corp <Ibm> Character recognizing device and method using generalized half conversion
WO1992005485A2 (en) * 1990-09-17 1992-04-02 Cabletron Systems, Inc. Network management system using model-based intelligence
JPH04287290A (en) 1990-11-20 1992-10-12 Imra America Inc Hough transformation picture processor
EP0576574B1 (en) * 1991-03-18 2001-10-31 Echelon Corporation Programming language structures for use in a network for communicating, sensing and controlling information
WO1992016904A1 (en) 1991-03-18 1992-10-01 Echelon Corporation Binder interface structure
US6115393A (en) 1991-04-12 2000-09-05 Concord Communications, Inc. Network monitoring
IL99923A0 (en) 1991-10-31 1992-08-18 Ibm Israel Method of operating a computer in a network
US5371852A (en) 1992-10-14 1994-12-06 International Business Machines Corporation Method and apparatus for making a cluster of computers appear as a single host on a network
US5557774A (en) 1993-03-22 1996-09-17 Hitachi, Ltd. Method for making test environmental programs
BR9402027A (en) * 1993-05-28 1994-12-13 Xerox Corp Process for managing a configuration and ensuring compatibility between components in a computer system, and process for eliminating incompatibilities between resident software and migration software in an automated computer system
US5686940A (en) 1993-12-24 1997-11-11 Rohm Co., Ltd. Display apparatus
US5668995A (en) 1994-04-22 1997-09-16 Ncr Corporation Method and apparatus for capacity planning for multiprocessor computer systems in client/server environments
WO1996016497A1 (en) * 1994-11-21 1996-05-30 Oracle Corporation Transferring binary large objects (blobs) in a network environment
US5758351A (en) 1995-03-01 1998-05-26 Sterling Software, Inc. System and method for the creation and use of surrogate information system objects
US5724508A (en) * 1995-03-09 1998-03-03 Insoft, Inc. Apparatus for collaborative computing
US5774668A (en) 1995-06-07 1998-06-30 Microsoft Corporation System for on-line service in which gateway computer uses service map which includes loading condition of servers broadcasted by application servers for load balancing
US5895499A (en) * 1995-07-03 1999-04-20 Sun Microsystems, Inc. Cross-domain data transfer using deferred page remapping
US5917730A (en) 1995-08-17 1999-06-29 Gse Process Solutions, Inc. Computer implemented object oriented visualization system and method
US5774689A (en) 1995-09-22 1998-06-30 Bell Atlantic Network Services, Inc. Network configuration management system for digital communication networks
US6047323A (en) * 1995-10-19 2000-04-04 Hewlett-Packard Company Creation and migration of distributed streams in clusters of networked computers
US5793763A (en) * 1995-11-03 1998-08-11 Cisco Technology, Inc. Security system for network address translation systems
US5684800A (en) 1995-11-15 1997-11-04 Cabletron Systems, Inc. Method for establishing restricted broadcast groups in a switched network
US5801970A (en) 1995-12-06 1998-09-01 Martin Marietta Corporation Model-based feature tracking system
GB2309558A (en) * 1996-01-26 1997-07-30 Ibm Load balancing across the processors of a server computer
JPH09244940A (en) 1996-03-12 1997-09-19 Hitachi Ltd Method for managing distributed computer resource
US5768271A (en) 1996-04-12 1998-06-16 Alcatel Data Networks Inc. Virtual private network
US6085238A (en) 1996-04-23 2000-07-04 Matsushita Electric Works, Ltd. Virtual LAN system
US5748958A (en) 1996-04-30 1998-05-05 International Business Machines Corporation System for utilizing batch requests to present membership changes to process groups
US5845124A (en) 1996-05-01 1998-12-01 Ncr Corporation Systems and methods for generating and displaying a symbolic representation of a network model
EP0812086B1 (en) 1996-06-07 2007-09-05 Nippon Telegraph And Telephone Corporation Vlan control system and method
KR100204029B1 (en) * 1996-06-19 1999-06-15 이계철 Allocation method of virtual link at atm switching system
US5822531A (en) 1996-07-22 1998-10-13 International Business Machines Corporation Method and system for dynamically reconfiguring a cluster of computer systems
US5796830A (en) * 1996-07-29 1998-08-18 International Business Machines Corporation Interoperable cryptographic key recovery system
US5774660A (en) * 1996-08-05 1998-06-30 Resonate, Inc. World-wide-web server with delayed resource-binding for resource-based load balancing on a distributed resource multi-node network
US5818937A (en) 1996-08-12 1998-10-06 Ncr Corporation Telephone tone security device
US5930798A (en) 1996-08-15 1999-07-27 Predicate Logic, Inc. Universal data measurement, analysis and control system
US5918017A (en) 1996-08-23 1999-06-29 Internatioinal Business Machines Corp. System and method for providing dynamically alterable computer clusters for message routing
US6236365B1 (en) 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
US5832529A (en) * 1996-10-11 1998-11-03 Sun Microsystems, Inc. Methods, apparatus, and product for distributed garbage collection
US5790895A (en) 1996-10-18 1998-08-04 Compaq Computer Corporation Modem sharing
US5905872A (en) * 1996-11-05 1999-05-18 At&T Corp. Method of transferring connection management information in world wideweb requests and responses
US5784463A (en) 1996-12-04 1998-07-21 V-One Corporation Token distribution, registration, and dynamic configuration of user entitlement for an application level security system and method
US5938732A (en) 1996-12-09 1999-08-17 Sun Microsystems, Inc. Load balancing and failover of network services
EP1015966A2 (en) 1996-12-13 2000-07-05 Maves International Software, Inc. Method, system and data structures for computer software application development and execution
GB9626241D0 (en) * 1996-12-18 1997-02-05 Ncr Int Inc Secure data processing method and system
US5845277A (en) 1996-12-19 1998-12-01 Mci Communications Corporation Production of statistically-based network maps
US6272523B1 (en) 1996-12-20 2001-08-07 International Business Machines Corporation Distributed networking using logical processes
US6112243A (en) 1996-12-30 2000-08-29 Intel Corporation Method and apparatus for allocating tasks to remote networked processors
US5826015A (en) 1997-02-20 1998-10-20 Digital Equipment Corporation Method and apparatus for secure remote programming of firmware and configurations of a computer over a network
US6151688A (en) 1997-02-21 2000-11-21 Novell, Inc. Resource management in a clustered computer system
US5958009A (en) 1997-02-27 1999-09-28 Hewlett-Packard Company System and method for efficiently monitoring quality of service in a distributed processing environment
US6067580A (en) 1997-03-11 2000-05-23 International Business Machines Corporation Integrating distributed computing environment remote procedure calls with an advisory work load manager
US6104716A (en) * 1997-03-28 2000-08-15 International Business Machines Corporation Method and apparatus for lightweight secure communication tunneling over the internet
US5968126A (en) 1997-04-02 1999-10-19 Switchsoft Systems, Inc. User-based binding of network stations to broadcast domains
JP2001519121A (en) 1997-04-04 2001-10-16 アセンド コミュニケーションズ インコーポレイテッド High-speed packet scheduling method and apparatus
CA2202572C (en) 1997-04-14 2004-02-10 Ka Lun Eddie Law A scaleable web server and method of efficiently managing multiple servers
US6065058A (en) 1997-05-09 2000-05-16 International Business Machines Corp. Dynamic push filtering based on information exchanged among nodes in a proxy hierarchy
US6049528A (en) * 1997-06-30 2000-04-11 Sun Microsystems, Inc. Trunking ethernet-compatible networks
FR2765702B1 (en) 1997-07-02 2001-07-06 Bull Sa INFORMATION PROCESSING SYSTEM ARCHITECTURE
US6185308B1 (en) * 1997-07-07 2001-02-06 Fujitsu Limited Key recovery system
US6233610B1 (en) 1997-08-27 2001-05-15 Northern Telecom Limited Communications network having management system architecture supporting reuse
US5960371A (en) 1997-09-04 1999-09-28 Schlumberger Technology Corporation Method of determining dips and azimuths of fractures from borehole images
US6041054A (en) * 1997-09-24 2000-03-21 Telefonaktiebolaget Lm Ericsson Efficient transport of internet protocol packets using asynchronous transfer mode adaptation layer two
JP3649367B2 (en) * 1997-09-26 2005-05-18 ソニー株式会社 Packet transmission control method and apparatus
EP0907145A3 (en) 1997-10-03 2003-03-26 Nippon Telegraph and Telephone Corporation Method and equipment for extracting image features from image sequence
US6427171B1 (en) * 1997-10-14 2002-07-30 Alacritech, Inc. Protocol processing stack for use with intelligent network interface device
US6192401B1 (en) * 1997-10-21 2001-02-20 Sun Microsystems, Inc. System and method for determining cluster membership in a heterogeneous distributed system
US6047325A (en) * 1997-10-24 2000-04-04 Jain; Lalit Network device for supporting construction of virtual local area networks on arbitrary local and wide area computer networks
US6178529B1 (en) * 1997-11-03 2001-01-23 Microsoft Corporation Method and system for resource monitoring of disparate resources in a server cluster
US6088734A (en) 1997-11-12 2000-07-11 International Business Machines Corporation Systems methods and computer program products for controlling earliest deadline first scheduling at ATM nodes
US6125447A (en) 1997-12-11 2000-09-26 Sun Microsystems, Inc. Protection domains to provide security in a computer system
US6035405A (en) * 1997-12-22 2000-03-07 Nortel Networks Corporation Secure virtual LANs
US6182275B1 (en) * 1998-01-26 2001-01-30 Dell Usa, L.P. Generation of a compatible order for a computer system
US6086618A (en) 1998-01-26 2000-07-11 Microsoft Corporation Method and computer program product for estimating total resource usage requirements of a server application in a hypothetical user configuration
US6076108A (en) 1998-03-06 2000-06-13 I2 Technologies, Inc. System and method for maintaining a state for a user session using a web system having a global session server
US6208649B1 (en) * 1998-03-11 2001-03-27 Cisco Technology, Inc. Derived VLAN mapping technique
US6691148B1 (en) * 1998-03-13 2004-02-10 Verizon Corporate Services Group Inc. Framework for providing quality of service requirements in a distributed object-oriented computer system
TW374965B (en) 1998-03-17 1999-11-21 Winbond Electronics Corp Method of processing of transmission of confidential data and the network system
US6098093A (en) 1998-03-19 2000-08-01 International Business Machines Corp. Maintaining sessions in a clustered server environment
US6393386B1 (en) * 1998-03-26 2002-05-21 Visual Networks Technologies, Inc. Dynamic modeling of complex networks and prediction of impacts of faults therein
US6236901B1 (en) 1998-03-31 2001-05-22 Dell Usa, L.P. Manufacturing system and method for assembly of computer systems in a build-to-order environment
WO1999052237A1 (en) * 1998-04-03 1999-10-14 Vertical Networks Inc. System and method for transmitting voice and data using intelligent bridged tdm and packet buses
US6118785A (en) * 1998-04-07 2000-09-12 3Com Corporation Point-to-point protocol with a signaling channel
US6317438B1 (en) 1998-04-14 2001-11-13 Harold Herman Trebes, Jr. System and method for providing peer-oriented control of telecommunications services
US6059842A (en) 1998-04-14 2000-05-09 International Business Machines Corp. System and method for optimizing computer software and hardware
US6208345B1 (en) * 1998-04-15 2001-03-27 Adc Telecommunications, Inc. Visual data integration system and method
US6167052A (en) 1998-04-27 2000-12-26 Vpnx.Com, Inc. Establishing connectivity in networks
US20020049573A1 (en) * 1998-05-13 2002-04-25 El Ata Nabil A. Abu Automated system and method for designing model based architectures of information systems
US6311144B1 (en) 1998-05-13 2001-10-30 Nabil A. Abu El Ata Method and apparatus for designing and analyzing information systems using multi-layer mathematical models
FR2779018B1 (en) * 1998-05-22 2000-08-18 Activcard TERMINAL AND SYSTEM FOR IMPLEMENTING SECURE ELECTRONIC TRANSACTIONS
US6269076B1 (en) 1998-05-28 2001-07-31 3Com Corporation Method of resolving split virtual LANs utilizing a network management system
US6259448B1 (en) 1998-06-03 2001-07-10 International Business Machines Corporation Resource model configuration and deployment in a distributed computer network
US6360265B1 (en) * 1998-07-08 2002-03-19 Lucent Technologies Inc. Arrangement of delivering internet protocol datagrams for multimedia services to the same server
US6226788B1 (en) 1998-07-22 2001-05-01 Cisco Technology, Inc. Extensible network management system
US6266707B1 (en) 1998-08-17 2001-07-24 International Business Machines Corporation System and method for IP network address translation and IP filtering with dynamic address resolution
US6336138B1 (en) * 1998-08-25 2002-01-01 Hewlett-Packard Company Template-driven approach for generating models on network services
US6327622B1 (en) 1998-09-03 2001-12-04 Sun Microsystems, Inc. Load balancing in a network environment
US6311270B1 (en) 1998-09-14 2001-10-30 International Business Machines Corporation Method and apparatus for securing communication utilizing a security processor
US6253230B1 (en) 1998-09-22 2001-06-26 International Business Machines Corporation Distributed scalable device for selecting a server from a server cluster and a switched path to the selected server
US6167383A (en) 1998-09-22 2000-12-26 Dell Usa, Lp Method and apparatus for providing customer configured machines at an internet site
US6230312B1 (en) 1998-10-02 2001-05-08 Microsoft Corporation Automatic detection of per-unit location constraints
US6212559B1 (en) * 1998-10-28 2001-04-03 Trw Inc. Automated configuration of internet-like computer networks
JP3820777B2 (en) * 1998-11-12 2006-09-13 富士ゼロックス株式会社 Private key deposit system and method
US6272522B1 (en) 1998-11-17 2001-08-07 Sun Microsystems, Incorporated Computer data packet switching and load balancing system using a general-purpose multiprocessor architecture
US6330605B1 (en) 1998-11-19 2001-12-11 Volera, Inc. Proxy cache cluster
US6108702A (en) 1998-12-02 2000-08-22 Micromuse, Inc. Method and apparatus for determining accurate topology features of a network
US6336171B1 (en) * 1998-12-23 2002-01-01 Ncr Corporation Resource protection in a cluster environment
US6691168B1 (en) * 1998-12-31 2004-02-10 Pmc-Sierra Method and apparatus for high-speed network rule processing
US6628671B1 (en) * 1999-01-19 2003-09-30 Vtstarcom, Inc. Instant activation of point-to point protocol (PPP) connection using existing PPP state
US6377996B1 (en) * 1999-02-18 2002-04-23 International Business Machines Corporation System for seamless streaming of data stored on a network of distributed primary and target servers using segmentation information exchanged among all servers during streaming
JP2000322288A (en) * 1999-05-06 2000-11-24 Fujitsu Ltd Distributed object development system and computer readable recording medium for recording program for execution of distributed object development by computer
US6542504B1 (en) * 1999-05-28 2003-04-01 3Com Corporation Profile based method for packet header compression in a point to point link
CN100384191C (en) * 1999-06-10 2008-04-23 阿尔卡塔尔互联网运行公司 Strategy based network architecture
US6539494B1 (en) * 1999-06-17 2003-03-25 Art Technology Group, Inc. Internet server session backup apparatus
US6505244B1 (en) * 1999-06-29 2003-01-07 Cisco Technology Inc. Policy engine which supports application specific plug-ins for enforcing policies in a feedback-based, adaptive data network
US6684335B1 (en) * 1999-08-19 2004-01-27 Epstein, Iii Edwin A. Resistance cell architecture
US7162427B1 (en) * 1999-08-20 2007-01-09 Electronic Data Systems Corporation Structure and method of modeling integrated business and information technology frameworks and architecture in support of a business
US6256773B1 (en) 1999-08-31 2001-07-03 Accenture Llp System, method and article of manufacture for configuration management in a development architecture framework
US6772333B1 (en) * 1999-09-01 2004-08-03 Dickens Coal Llc Atomic session-start operation combining clear-text and encrypted sessions to provide id visibility to middleware such as load-balancers
US6598077B2 (en) * 1999-12-06 2003-07-22 Warp Solutions, Inc. System and method for dynamic content routing
US6529953B1 (en) * 1999-12-17 2003-03-04 Reliable Network Solutions Scalable computer network resource monitoring and location system
US6862613B1 (en) * 2000-01-10 2005-03-01 Sun Microsystems, Inc. Method and apparatus for managing operations of clustered computer systems
US7315801B1 (en) * 2000-01-14 2008-01-01 Secure Computing Corporation Network security modeling system and method
US6701363B1 (en) * 2000-02-29 2004-03-02 International Business Machines Corporation Method, computer program product, and system for deriving web transaction performance metrics
US6678821B1 (en) * 2000-03-23 2004-01-13 E-Witness Inc. Method and system for restricting access to the private key of a user in a public key infrastructure
US6868062B1 (en) * 2000-03-28 2005-03-15 Intel Corporation Managing data traffic on multiple ports
US6574195B2 (en) * 2000-04-19 2003-06-03 Caspian Networks, Inc. Micro-flow management
WO2001084313A2 (en) * 2000-05-02 2001-11-08 Sun Microsystems, Inc. Method and system for achieving high availability in a networked computer system
US6675308B1 (en) * 2000-05-09 2004-01-06 3Com Corporation Methods of determining whether a network interface card entry within the system registry pertains to physical hardware or to a virtual device
US7032031B2 (en) * 2000-06-23 2006-04-18 Cloudshield Technologies, Inc. Edge adapter apparatus and method
WO2002019097A1 (en) * 2000-09-01 2002-03-07 International Interactive Commerce, Ltd. System and method for collaboration using web browsers
JP2002108910A (en) * 2000-09-27 2002-04-12 Nec Soft Ltd Enciphered filing system, enciphered file retrieving method and computer readable recording medium
US7272653B2 (en) * 2000-09-28 2007-09-18 International Business Machines Corporation System and method for implementing a clustered load balancer
US6886038B1 (en) * 2000-10-24 2005-04-26 Microsoft Corporation System and method for restricting data transfers and managing software components of distributed computers
US7003574B1 (en) * 2000-11-01 2006-02-21 Microsoft Corporation Session load balancing and use of VIP as source address for inter-cluster traffic through the use of a session identifier
US6985956B2 (en) * 2000-11-02 2006-01-10 Sun Microsystems, Inc. Switching system
US6856591B1 (en) * 2000-12-15 2005-02-15 Cisco Technology, Inc. Method and system for high reliability cluster management
US20030046615A1 (en) * 2000-12-22 2003-03-06 Alan Stone System and method for adaptive reliability balancing in distributed programming networks
US7003562B2 (en) * 2001-03-27 2006-02-21 Redseal Systems, Inc. Method and apparatus for network wide policy-based analysis of configurations of devices
US7162634B2 (en) * 2001-04-18 2007-01-09 Thomson Licensing Method for providing security on a powerline-modem network
US7194439B2 (en) * 2001-04-30 2007-03-20 International Business Machines Corporation Method and system for correlating job accounting information with software license information
US20030014644A1 (en) * 2001-05-02 2003-01-16 Burns James E. Method and system for security policy management
US7013462B2 (en) * 2001-05-10 2006-03-14 Hewlett-Packard Development Company, L.P. Method to map an inventory management system to a configuration management system
WO2002098526A1 (en) * 2001-06-04 2002-12-12 Playnet, Inc. System and method for distributing a multi-client game/application over a communications network
US6944678B2 (en) * 2001-06-18 2005-09-13 Transtech Networks Usa, Inc. Content-aware application switch and methods thereof
US20030009559A1 (en) * 2001-07-09 2003-01-09 Naoya Ikeda Network system and method of distributing accesses to a plurality of server apparatus in the network system
US7174379B2 (en) * 2001-08-03 2007-02-06 International Business Machines Corporation Managing server resources for hosted applications
US7765283B2 (en) * 2001-08-15 2010-07-27 Cisco Technology, Inc. Network provisioning in a distributed network management architecture
US7043393B2 (en) * 2001-08-15 2006-05-09 National Instruments Corporation System and method for online specification of measurement hardware
US20030041142A1 (en) * 2001-08-27 2003-02-27 Nec Usa, Inc. Generic network monitoring tool
US6980978B2 (en) * 2001-09-07 2005-12-27 International Business Machines Corporation Site integration management system for operational support service in an internet data center
US7500069B2 (en) * 2001-09-17 2009-03-03 Hewlett-Packard Development Company, L.P. System and method for providing secure access to network logical storage partitions
US7194616B2 (en) * 2001-10-27 2007-03-20 International Business Machines Corporation Flexible temporary capacity upgrade/downgrade in a computer system without involvement of the operating system
US7024451B2 (en) * 2001-11-05 2006-04-04 Hewlett-Packard Development Company, L.P. System and method for maintaining consistent independent server-side state among collaborating servers
US6990666B2 (en) * 2002-03-18 2006-01-24 Surgient Inc. Near on-line server
US6681262B1 (en) * 2002-05-06 2004-01-20 Infinicon Systems Network data flow optimization
US6888807B2 (en) * 2002-06-10 2005-05-03 Ipr Licensing, Inc. Applying session services based on packet flows
US20040002878A1 (en) * 2002-06-28 2004-01-01 International Business Machines Corporation Method and system for user-determined authentication in a federated environment
US7191344B2 (en) * 2002-08-08 2007-03-13 Authenex, Inc. Method and system for controlling access to data stored on a data storage device
US20040054791A1 (en) * 2002-09-17 2004-03-18 Krishnendu Chakraborty System and method for enforcing user policies on a web server
WO2004075006A2 (en) * 2003-02-14 2004-09-02 Preventsys, Inc. Network audit policy assurance system
US7689676B2 (en) * 2003-03-06 2010-03-30 Microsoft Corporation Model-based policy application
US7072807B2 (en) * 2003-03-06 2006-07-04 Microsoft Corporation Architecture for distributed computing system and automated design, deployment, and management of distributed applications
US8122106B2 (en) * 2003-03-06 2012-02-21 Microsoft Corporation Integrating design, deployment, and management phases for systems
US7890543B2 (en) * 2003-03-06 2011-02-15 Microsoft Corporation Architecture for distributed computing system and automated design, deployment, and management of distributed applications
US7350186B2 (en) * 2003-03-10 2008-03-25 International Business Machines Corporation Methods and apparatus for managing computing deployment in presence of variable workload
CA2520933A1 (en) * 2003-03-31 2004-10-21 System Management Arts, Inc. Method and apparatus for multi-realm system modeling
US20060025984A1 (en) * 2004-08-02 2006-02-02 Microsoft Corporation Automatic validation and calibration of transaction-based performance models
US8627149B2 (en) * 2004-08-30 2014-01-07 International Business Machines Corporation Techniques for health monitoring and control of application servers
US7333000B2 (en) * 2004-11-12 2008-02-19 Afco Systems Development, Inc. Tracking system and method for electrically powered equipment
US7350068B2 (en) * 2005-04-22 2008-03-25 International Business Machines Corporation Server blade network boot method that minimizes required network bandwidth
US7805496B2 (en) * 2005-05-10 2010-09-28 International Business Machines Corporation Automatic generation of hybrid performance models

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MY140059A (en) 2009-11-30
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US7606929B2 (en) 2009-10-20
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