CA2457928A1 - Topology discovery by partitioning multiple discovery techniques - Google Patents
Topology discovery by partitioning multiple discovery techniques Download PDFInfo
- Publication number
- CA2457928A1 CA2457928A1 CA002457928A CA2457928A CA2457928A1 CA 2457928 A1 CA2457928 A1 CA 2457928A1 CA 002457928 A CA002457928 A CA 002457928A CA 2457928 A CA2457928 A CA 2457928A CA 2457928 A1 CA2457928 A1 CA 2457928A1
- Authority
- CA
- Canada
- Prior art keywords
- topology
- discovery
- routers
- information
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
- H04L41/046—Network management architectures or arrangements comprising network management agents or mobile agents therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/42—Centralised routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/03—Topology update or discovery by updating link state protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/033—Topology update or discovery by updating distance vector protocols
Abstract
A system for discovering a topology of a distributed processing network that includes a first topology Management Information Base discovery agent (308) configured to contact a first set of routers to obtain a first type of information stored in each router in the first set of routers; a second topology Open Shortest Path First discovery agent (312) and/or (316) configured to contact a second set of routers to obtain a second type of information stored in each router in the second set of routers, and a phase controller (304) configured to select between the first (308) and second (312) and/ or (316) topology discovery agents. The first and second sets of routers are different, and the first and second types of information are different. In one configuration, the first type of information is defined by a network management protocol, and the second type of information is defined by a routing protocol.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31771901P | 2001-09-06 | 2001-09-06 | |
US60/317,719 | 2001-09-06 | ||
US34705002P | 2002-01-08 | 2002-01-08 | |
US60/347,050 | 2002-01-08 | ||
US10/127,888 | 2002-04-22 | ||
US10/127,888 US7069343B2 (en) | 2001-09-06 | 2002-04-22 | Topology discovery by partitioning multiple discovery techniques |
PCT/US2002/028467 WO2003023638A2 (en) | 2001-09-06 | 2002-09-06 | Topology discovery by partitioning multiple discovery techniques |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2457928A1 true CA2457928A1 (en) | 2003-03-20 |
CA2457928C CA2457928C (en) | 2008-05-20 |
Family
ID=27383629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002457928A Expired - Fee Related CA2457928C (en) | 2001-09-06 | 2002-09-06 | Topology discovery by partitioning multiple discovery techniques |
Country Status (9)
Country | Link |
---|---|
US (1) | US7069343B2 (en) |
EP (1) | EP1446726A4 (en) |
JP (1) | JP3996577B2 (en) |
KR (1) | KR100878109B1 (en) |
CN (1) | CN1287307C (en) |
AU (1) | AU2002362252A1 (en) |
CA (1) | CA2457928C (en) |
MX (1) | MXPA04002121A (en) |
WO (1) | WO2003023638A2 (en) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7962605B2 (en) * | 2001-11-20 | 2011-06-14 | Microsoft Corporation | Distributed device discovery framework for a network |
US7571239B2 (en) * | 2002-01-08 | 2009-08-04 | Avaya Inc. | Credential management and network querying |
US7334048B1 (en) * | 2002-06-04 | 2008-02-19 | Extreme Networks, Inc. | Method and apparatus for fast route table update |
CN1192564C (en) * | 2002-06-06 | 2005-03-09 | 华为技术有限公司 | Method for opening grouping updating of fifth group link state notice of shortest route priority procotol |
US20030235157A1 (en) * | 2002-06-21 | 2003-12-25 | International Business Machines Corporation | Method and structure for an autoconfiguration topology calculation |
US7769839B2 (en) * | 2002-06-21 | 2010-08-03 | International Business Machines Corporation | Method and structure for autoconfiguration of overlay networks by automatic selection of a network designated router |
US7580370B2 (en) * | 2002-06-21 | 2009-08-25 | International Business Machines Corporation | Method and structure for autoconfiguration of network destinations |
US7634230B2 (en) | 2002-11-25 | 2009-12-15 | Fujitsu Limited | Methods and apparatus for secure, portable, wireless and multi-hop data networking |
US20040215781A1 (en) * | 2003-03-27 | 2004-10-28 | Pulsipher Eric A. | Techniques for determining device connectivity in a network using protocol-specific connectivity information |
US20040196865A1 (en) * | 2003-03-27 | 2004-10-07 | Srikanth Natarajan | Method and system for discovering a topology of a portion of a computer network |
EP1467527A3 (en) * | 2003-04-07 | 2007-04-04 | Nokia Corporation | Resource determination in IP-based networks |
US7768946B2 (en) * | 2003-04-07 | 2010-08-03 | Nokia Corporation | Resource determination in IP-based networks |
US7827308B2 (en) * | 2003-05-23 | 2010-11-02 | Alcatel-Lucent Canada Inc. | Optical wavekey network and a method for distributing management information therein |
US7426577B2 (en) * | 2003-06-19 | 2008-09-16 | Avaya Technology Corp. | Detection of load balanced links in internet protocol netwoks |
EP1639492B1 (en) * | 2003-06-23 | 2018-11-14 | CA, Inc. | Discovering and merging network information |
US7606887B1 (en) | 2003-09-11 | 2009-10-20 | Juniper Networks, Inc. | Automatic establishment of network performance monitoring communities using routing protocols |
US7756958B2 (en) * | 2003-09-20 | 2010-07-13 | International Business Machines Corporation | Intelligent discovery of network information from multiple information gathering agents |
JP4578917B2 (en) * | 2003-10-03 | 2010-11-10 | 富士通株式会社 | Apparatus, method and medium for self-organizing multi-hop radio access network |
EP1720784A1 (en) * | 2004-02-28 | 2006-11-15 | Siemens Aktiengesellschaft | Device for stacking flat, flexible postal items in a stacking compartment |
JP4474207B2 (en) * | 2004-06-10 | 2010-06-02 | 富士通株式会社 | Network management system and network management method |
US7646729B2 (en) * | 2004-06-17 | 2010-01-12 | Alcatel-Lucent Usa Inc. | Method and apparatus for determination of network topology |
US9537731B2 (en) * | 2004-07-07 | 2017-01-03 | Sciencelogic, Inc. | Management techniques for non-traditional network and information system topologies |
US8953432B2 (en) * | 2004-11-01 | 2015-02-10 | Alcatel Lucent | Softrouter dynamic binding protocol |
US8996722B2 (en) * | 2004-11-01 | 2015-03-31 | Alcatel Lucent | Softrouter feature server |
US8068408B2 (en) | 2004-11-01 | 2011-11-29 | Alcatel Lucent | Softrouter protocol disaggregation |
US7715382B2 (en) * | 2004-11-01 | 2010-05-11 | Alcatel-Lucent Usa Inc. | Softrouter |
US9014181B2 (en) * | 2004-11-01 | 2015-04-21 | Alcatel Lucent | Softrouter separate control network |
US9100266B2 (en) * | 2004-11-01 | 2015-08-04 | Alcatel Lucent | SoftRouter protocol failovers |
KR100674086B1 (en) * | 2004-12-16 | 2007-01-24 | 한국전자통신연구원 | Topology discovery method in ethernet network |
US7987445B2 (en) * | 2005-01-13 | 2011-07-26 | National Instruments Corporation | Comparing a configuration diagram to an actual system |
US8051148B2 (en) * | 2005-01-13 | 2011-11-01 | National Instruments Corporation | Determining differences between configuration diagrams |
US7703027B2 (en) * | 2005-01-13 | 2010-04-20 | National Instruments Corporation | Merging graphical programs |
US7987444B2 (en) * | 2005-01-13 | 2011-07-26 | National Instruments Corporation | Determining and merging differences between configuration diagrams |
US20060256717A1 (en) * | 2005-05-13 | 2006-11-16 | Lockheed Martin Corporation | Electronic packet control system |
US7599289B2 (en) * | 2005-05-13 | 2009-10-06 | Lockheed Martin Corporation | Electronic communication control |
US20060256814A1 (en) * | 2005-05-13 | 2006-11-16 | Lockheed Martin Corporation | Ad hoc computer network |
US20060256770A1 (en) * | 2005-05-13 | 2006-11-16 | Lockheed Martin Corporation | Interface for configuring ad hoc network packet control |
US7898981B1 (en) * | 2006-03-31 | 2011-03-01 | Cisco Technology, Inc. | System and method for improving network performance by controlling stub-routing behavior |
US20070242607A1 (en) * | 2006-04-13 | 2007-10-18 | Tellabs Operations, Inc. | Method and system for controlling distribution of network topology information |
US8811224B2 (en) * | 2006-05-30 | 2014-08-19 | McAfee Ireland Holdings, Limited | Method and system for determining physical connectivity in a dynamic network |
EP2033379B1 (en) * | 2006-05-30 | 2012-09-26 | Insightix Ltd | Method and system for determining topology of a dynamic network |
US8233491B2 (en) * | 2006-09-28 | 2012-07-31 | Burns Jr James M | Embedded media terminal adapter (EMTA) endpoint redirect mode |
US9330230B2 (en) * | 2007-04-19 | 2016-05-03 | International Business Machines Corporation | Validating a cabling topology in a distributed computing system |
US8223667B2 (en) | 2007-06-11 | 2012-07-17 | International Business Machines Corporation | Inferred discovery of a data communications device |
US8805982B1 (en) * | 2007-06-29 | 2014-08-12 | Ciena Corporation | Progressively determining a network topology and using neighbor information to determine network topology |
US20090187652A1 (en) * | 2008-01-21 | 2009-07-23 | International Business Machines Corporation | Inferred Discovery Of Devices Of A Data Communications Network |
US20090210523A1 (en) * | 2008-02-14 | 2009-08-20 | Matthew Edward Duggan | Network management method and system |
US7835307B2 (en) * | 2008-03-14 | 2010-11-16 | International Business Machines Corporation | Network discovery tool |
EP2301199A2 (en) | 2008-07-11 | 2011-03-30 | Raghavendra Uppalli | Inferring connectivity in the presence of conflicting network data |
CN101657040B (en) * | 2008-08-21 | 2012-07-04 | 华为技术有限公司 | Method, device and system for finding wireless network topology |
KR100959077B1 (en) * | 2008-09-19 | 2010-05-20 | 한국전자통신연구원 | Method for gap analysis for network topology inspection in ethernet-based network |
FR2938992B1 (en) * | 2008-11-24 | 2012-12-28 | Centre Nat Detudes Spatiales Cnes | METHOD AND DEVICE FOR DISCOVERING LEVEL 3 TOPOLOGY OF AN INTERNET IP NETWORK |
US8521904B1 (en) | 2008-12-16 | 2013-08-27 | At&T Intellectual Property I, L.P. | Devices, systems, and/or methods for determining internet topology |
US7944857B2 (en) * | 2009-01-12 | 2011-05-17 | Hewlett-Packard Development Company, L.P. | Method and system for deriving tunnel path information in MPLS networks |
US8565119B2 (en) * | 2009-04-14 | 2013-10-22 | Schweitzer Engineering Laboratories Inc | Network discovery and data transfer using SNMP in an electric power transmission or distribution system |
CN101552694B (en) * | 2009-05-12 | 2011-07-20 | 成都市华为赛门铁克科技有限公司 | Network topology loading method, device and network management system |
US8509101B2 (en) * | 2009-10-14 | 2013-08-13 | Schweitzer Engineering Laboratories Inc | Systems and methods for a configurable communication device |
US8261357B2 (en) * | 2009-10-14 | 2012-09-04 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for license entitlement key distribution |
CN101795227B (en) * | 2010-01-25 | 2013-06-05 | 杭州华三通信技术有限公司 | Method and system for rapidly finding router |
US8656011B2 (en) * | 2010-11-17 | 2014-02-18 | Hitachi, Ltd. | Method and management apparatus for detecting communication apparatus coupled to communication network |
CN103368758B (en) * | 2012-03-31 | 2017-05-31 | 中兴通讯股份有限公司 | The method and system of L3 Switching relation between detection and presentation device |
CN102904753B (en) * | 2012-09-26 | 2015-08-05 | 迈普通信技术股份有限公司 | A kind of method and system of fast creation network topology |
US9571348B1 (en) | 2013-07-03 | 2017-02-14 | Dell Software Inc. | System and method for inferring and adapting a network topology |
CN104579978B (en) * | 2014-12-30 | 2018-01-09 | 国家电网公司 | A kind of dynamic network Datalink Layer Topology Discovery method |
US10079730B2 (en) * | 2015-09-30 | 2018-09-18 | Amazon Technologies, Inc. | Network based resource configuration discovery service |
US9967135B2 (en) | 2016-03-29 | 2018-05-08 | Schweitzer Engineering Laboratories, Inc. | Communication link monitoring and failover |
Family Cites Families (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4556972A (en) * | 1983-12-27 | 1985-12-03 | At&T Bell Laboratories | Arrangement for routing data packets through a circuit switch |
US4644532A (en) * | 1985-06-10 | 1987-02-17 | International Business Machines Corporation | Automatic update of topology in a hybrid network |
CA2017974C (en) * | 1989-08-07 | 1998-06-16 | Richard Alan Becker | Dynamic graphical analysis of network data |
CA2017969C (en) * | 1989-08-07 | 1999-04-20 | Richard Alan Becker | Dynamic graphics arrangement for displaying spatial-time-series data |
US5185860A (en) | 1990-05-03 | 1993-02-09 | Hewlett-Packard Company | Automatic discovery of network elements |
US5226120A (en) * | 1990-05-21 | 1993-07-06 | Synoptics Communications, Inc. | Apparatus and method of monitoring the status of a local area network |
US5557745A (en) * | 1990-09-04 | 1996-09-17 | Digital Equipment Corporation | Method for supporting foreign protocols across backbone network by combining and transmitting list of destinations that support second protocol in first and second areas to the third area |
JP3315404B2 (en) * | 1990-09-28 | 2002-08-19 | ヒューレット・パッカード・カンパニー | How to detect network topological features |
US5644692A (en) * | 1991-12-06 | 1997-07-01 | Lucent Technologies Inc. | Information display apparatus and methods |
US5734824A (en) * | 1993-02-10 | 1998-03-31 | Bay Networks, Inc. | Apparatus and method for discovering a topology for local area networks connected via transparent bridges |
US6269398B1 (en) * | 1993-08-20 | 2001-07-31 | Nortel Networks Limited | Method and system for monitoring remote routers in networks for available protocols and providing a graphical representation of information received from the routers |
CA2127764A1 (en) * | 1993-08-24 | 1995-02-25 | Stephen Gregory Eick | Displaying query results |
US5596703A (en) * | 1993-10-22 | 1997-01-21 | Lucent Technologies Inc. | Graphical display of relationships |
US5581797A (en) * | 1993-10-22 | 1996-12-03 | Lucent Technologies Inc. | Method and apparatus for displaying hierarchical information of a large software system |
US5564048A (en) * | 1994-06-15 | 1996-10-08 | Lucent Technologies Inc. | Object-oriented functionality class library for use in graphics programming |
US5572650A (en) * | 1994-06-30 | 1996-11-05 | Lucent Technologies Inc. | Method and apparatus for displaying structures and relationships of a relational database |
US5737526A (en) * | 1994-12-30 | 1998-04-07 | Cisco Systems | Network having at least two routers, each having conditional filter so one of two transmits given frame and each transmits different frames, providing connection to a subnetwork |
US6456306B1 (en) * | 1995-06-08 | 2002-09-24 | Nortel Networks Limited | Method and apparatus for displaying health status of network devices |
US5751971A (en) * | 1995-07-12 | 1998-05-12 | Cabletron Systems, Inc. | Internet protocol (IP) work group routing |
US5805593A (en) * | 1995-09-26 | 1998-09-08 | At&T Corp | Routing method for setting up a service between an origination node and a destination node in a connection-communications network |
JP2728051B2 (en) * | 1995-10-18 | 1998-03-18 | 日本電気株式会社 | ATM network configuration management method |
US5850397A (en) * | 1996-04-10 | 1998-12-15 | Bay Networks, Inc. | Method for determining the topology of a mixed-media network |
US5881246A (en) * | 1996-06-12 | 1999-03-09 | Bay Networks, Inc. | System for generating explicit routing advertisements to specify a selected path through a connectionless network to a destination by a specific router |
US6088451A (en) * | 1996-06-28 | 2000-07-11 | Mci Communications Corporation | Security system and method for network element access |
US6275492B1 (en) * | 1996-12-03 | 2001-08-14 | Nortel Networks Limited | Method and apparatus for routing data using router identification information |
US6252856B1 (en) | 1996-12-03 | 2001-06-26 | Nortel Networks Limited | Method and apparatus for minimizing calculations required to construct multicast trees |
US6256675B1 (en) * | 1997-05-06 | 2001-07-03 | At&T Corp. | System and method for allocating requests for objects and managing replicas of objects on a network |
US5926463A (en) * | 1997-10-06 | 1999-07-20 | 3Com Corporation | Method and apparatus for viewing and managing a configuration of a computer network |
US6122639A (en) * | 1997-12-23 | 2000-09-19 | Cisco Technology, Inc. | Network device information collection and change detection |
US6263446B1 (en) * | 1997-12-23 | 2001-07-17 | Arcot Systems, Inc. | Method and apparatus for secure distribution of authentication credentials to roaming users |
US6131117A (en) | 1997-12-29 | 2000-10-10 | Cisco Technology, Inc. | Technique for correlating logical names with IP addresses on internetworking platforms |
US6119171A (en) * | 1998-01-29 | 2000-09-12 | Ip Dynamics, Inc. | Domain name routing |
JP3604898B2 (en) * | 1998-03-31 | 2004-12-22 | キヤノン株式会社 | Network device management apparatus and method, recording medium |
US6442144B1 (en) * | 1998-06-15 | 2002-08-27 | Compaq Computer Corporation | Method and apparatus for discovering network devices using internet protocol and producing a corresponding graphical network map |
US6360255B1 (en) * | 1998-06-25 | 2002-03-19 | Cisco Technology, Inc. | Automatically integrating an external network with a network management system |
US6418476B1 (en) * | 1998-06-29 | 2002-07-09 | Nortel Networks, Limited | Method for synchronizing network address translator (NAT) tables using the open shortest path first opaque link state advertisement option protocol |
US6269400B1 (en) * | 1998-07-22 | 2001-07-31 | International Business Machines Corporation | Method for discovering and registering agents in a distributed network |
US6252865B1 (en) * | 1998-10-02 | 2001-06-26 | Qualcomm, Inc. | Methods and apparatuses for fast power control of signals transmitted on a multiple access channel |
US5943317A (en) * | 1998-10-15 | 1999-08-24 | International Business Machines Corp. | Sub-network route optimization over a shared access transport facility |
US6108702A (en) * | 1998-12-02 | 2000-08-22 | Micromuse, Inc. | Method and apparatus for determining accurate topology features of a network |
US6377987B1 (en) * | 1999-04-30 | 2002-04-23 | Cisco Technology, Inc. | Mechanism for determining actual physical topology of network based on gathered configuration information representing true neighboring devices |
US6895436B1 (en) * | 1999-07-01 | 2005-05-17 | International Business Machines Corporation | Method and system for evaluating network security |
US6859878B1 (en) * | 1999-10-28 | 2005-02-22 | International Business Machines Corporation | Universal userid and password management for internet connected devices |
US20020161591A1 (en) * | 1999-11-23 | 2002-10-31 | Gunner D. Danneels | Method of securely passing a value token between web sites |
GB2362970B (en) * | 2000-05-31 | 2004-12-29 | Hewlett Packard Co | Improvements relating to information storage |
US7272662B2 (en) * | 2000-11-30 | 2007-09-18 | Nms Communications Corporation | Systems and methods for routing messages to communications devices over a communications network |
US20020141593A1 (en) * | 2000-12-11 | 2002-10-03 | Kurn David Michael | Multiple cryptographic key linking scheme on a computer system |
US20020128885A1 (en) * | 2001-01-06 | 2002-09-12 | Evans Robert E. | Method and system for characterization and matching of attributes and requirements |
US7210167B2 (en) * | 2001-01-08 | 2007-04-24 | Microsoft Corporation | Credential management |
GB2372360B (en) * | 2001-02-15 | 2005-01-19 | Hewlett Packard Co | Improvements in and relating to credential transfer methods |
GB2372412A (en) * | 2001-02-20 | 2002-08-21 | Hewlett Packard Co | Digital credential monitoring |
US7085925B2 (en) * | 2001-04-03 | 2006-08-01 | Sun Microsystems, Inc. | Trust ratings in group credentials |
US6744739B2 (en) * | 2001-05-18 | 2004-06-01 | Micromuse Inc. | Method and system for determining network characteristics using routing protocols |
JP2002366454A (en) * | 2001-06-11 | 2002-12-20 | Fujitsu Ltd | Network managing method and its device |
US7904326B2 (en) * | 2001-06-29 | 2011-03-08 | Versata Development Group, Inc. | Method and apparatus for performing collective validation of credential information |
EP1421464A4 (en) * | 2001-08-06 | 2009-12-23 | Certco Inc Loew S Corp | System and method for trust in computer environments |
US20030065626A1 (en) * | 2001-09-28 | 2003-04-03 | Allen Karl H. | User verification for conducting health-related transactions |
-
2002
- 2002-04-22 US US10/127,888 patent/US7069343B2/en not_active Expired - Lifetime
- 2002-09-06 CA CA002457928A patent/CA2457928C/en not_active Expired - Fee Related
- 2002-09-06 JP JP2003527620A patent/JP3996577B2/en not_active Expired - Fee Related
- 2002-09-06 EP EP02798153A patent/EP1446726A4/en not_active Withdrawn
- 2002-09-06 MX MXPA04002121A patent/MXPA04002121A/en active IP Right Grant
- 2002-09-06 KR KR1020047003363A patent/KR100878109B1/en not_active IP Right Cessation
- 2002-09-06 WO PCT/US2002/028467 patent/WO2003023638A2/en active Application Filing
- 2002-09-06 CN CNB028173880A patent/CN1287307C/en not_active Expired - Fee Related
- 2002-09-06 AU AU2002362252A patent/AU2002362252A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1446726A4 (en) | 2008-12-10 |
EP1446726A2 (en) | 2004-08-18 |
US20030046427A1 (en) | 2003-03-06 |
MXPA04002121A (en) | 2004-07-08 |
WO2003023638A2 (en) | 2003-03-20 |
CN1552030A (en) | 2004-12-01 |
WO2003023638A3 (en) | 2003-07-24 |
JP2005525716A (en) | 2005-08-25 |
CN1287307C (en) | 2006-11-29 |
CA2457928C (en) | 2008-05-20 |
JP3996577B2 (en) | 2007-10-24 |
AU2002362252A1 (en) | 2003-03-24 |
KR100878109B1 (en) | 2009-01-14 |
US7069343B2 (en) | 2006-06-27 |
KR20040034703A (en) | 2004-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2457928A1 (en) | Topology discovery by partitioning multiple discovery techniques | |
CA2379630A1 (en) | Method of communications routing | |
US6205488B1 (en) | Internet protocol virtual private network realization using multi-protocol label switching tunnels | |
WO2002099571A3 (en) | System and method for topology constrained routing policy provisioning | |
EP2127277B1 (en) | Methods, systems, and computer program products for source-aware ip routing at a media gateway | |
CA2311105A1 (en) | Network data routing protection cycles for automatic protection switching | |
WO2005034569A3 (en) | Using an extended border gateway protocol for routing across optical-burst-switched networks | |
CA2457718A1 (en) | Using link state information to discover ip network topology | |
WO1996034475A3 (en) | A network switch having network management agent functions distributed among multiple trunk and service modules | |
AU2003229793A1 (en) | Candidate access router discovery | |
CA2341026A1 (en) | Telecommunication network with variable address learning, switching and routing | |
CA2379620A1 (en) | Telecommunications routing | |
GB2394866B (en) | Arrangements and method in mobile internet communications systems | |
WO2004102849A3 (en) | Routes based on a pattern of a received packet | |
WO1997018637A3 (en) | Distributed connection-oriented services for switched communications networks | |
CA2350711A1 (en) | Managing internet protocol connection oriented services | |
WO2000051290A3 (en) | Multi-service network switch | |
ATE480925T1 (en) | ISOLATION OF HOSTS CONNECTED TO AN ACCESS NETWORK | |
CA2374621A1 (en) | On-demand overlay routing for computer-based communication networks | |
WO2001043371A3 (en) | Method and arrangement in a communication network | |
CA2382656A1 (en) | Packet network providing fast distribution of node related information and a method therefor | |
CN100502329C (en) | Ethernet exchanger and its service processing method | |
JP2002199007A5 (en) | ||
WO2007019310A3 (en) | Method and apparatus for enabling routing of label switched data packets | |
CA2276577A1 (en) | Method and apparatus for routing in a communication or data network, or a network comprising communication and data networks |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |