WO2007115458A1 - Procédé de système d'acheminement d'un message atm au sein d'un réseau à base ip - Google Patents

Procédé de système d'acheminement d'un message atm au sein d'un réseau à base ip Download PDF

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Publication number
WO2007115458A1
WO2007115458A1 PCT/CN2007/000125 CN2007000125W WO2007115458A1 WO 2007115458 A1 WO2007115458 A1 WO 2007115458A1 CN 2007000125 W CN2007000125 W CN 2007000125W WO 2007115458 A1 WO2007115458 A1 WO 2007115458A1
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WO
WIPO (PCT)
Prior art keywords
atm
packet
parameter
gateway
message
Prior art date
Application number
PCT/CN2007/000125
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English (en)
Chinese (zh)
Inventor
An Yi
Huaguo Xie
Hui Wang
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007115458A1 publication Critical patent/WO2007115458A1/fr

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Classifications

    • 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]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • 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]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5665—Interaction of ATM with other protocols

Definitions

  • the invention relates to a method for ATM message communication, in particular to a method and a system for transmitting an ATM temple based on an IP network.
  • Asynchronous Transfer Mode (Asynchronous Transfer Mode) is designated by ITU-T as a transmission and mapping mode for broadband ISDN in June 1992.
  • ATM is a transmission mode developed on packet switching. In the mode, information is transmitted, multiplexed, and mapped with cells as a basic unit.
  • ATM cells are fixed length packets and use idle cells to fill the channel so that the channel is divided into equal length time segments. Each cell has a total of 53 bytes and is divided into 2 parts.
  • the first 5 bytes are the cell header, which is mainly used as routing information and priority information; the next 48 bytes are payloads, which are used to load information from different users and different services.
  • the two common ATM cell formats are the UNI cell format and the NNI cell format.
  • ATM is a connection-oriented mapping.
  • Each Virtual Circuit (VC) is identified by a Virtual Path Identifier (VPI) and a Virtual Channel Identifier (VCI).
  • VPN Virtual Path Identifier
  • VCI Virtual Channel Identifier
  • the ATM Adaptation Layer is the interface between the upper layer protocol and the ATM layer. It is responsible for transferring information between the ATM layer and the upper layer protocol.
  • AAL The ATM Adaptation Layer
  • AAL2 is aimed at variable speed services with low speed and timing requirements, such as compressed voice.
  • the AAL packet needs to be divided into cells for transmission during ATM transmission, and the receiver receives the divided cells and then reassembles the AAL packet, where the VPI and VCI are located at the head of the cell.
  • ATM technology simplifies the exchange process, removes unnecessary data check, and adopts a fixed cell format that is easy to handle, thus reducing transmission delay, and the exchange rate is much higher than that of the traditional data network, and is suitable for high-speed data exchange services. .
  • the ATM method has so many advantages, when an ATM message is transmitted from one station to another station far away, it is necessary to establish an ATM link between the two stations, but most of the existing ones
  • the networks are all IP networks. Due to the development of the Internet, the IP protocol has been used to the maximum extent, and the degree of popularity has reached an unprecedented level. It has become a de facto industry standard. Therefore, in order to realize the delivery of ATM messages, it is necessary to transform the IP network on a large scale. , the cost is relatively high.
  • the purpose of the embodiments of the present invention is to solve the problem of the long-distance transmission of the existing ATM mode.
  • the embodiment of the present invention provides a method and system for transmitting an ATM packet based on an IP network, which can not modify the IP network. Realize the connection and communication between ATM networks.
  • an embodiment of the present invention provides a method for transmitting an ATM message based on an IP network, which is applied between a first ATM gateway in a first ATM network and a second ATM gateway in a second ATM network. Communicating with each other, the first ATM gateway has a mapping table, and the method includes:
  • the first ATM gateway When the first ATM gateway sends an ATM packet to the second ATM network, the first ATM gateway queries the mapping table according to the ATM parameter of the ATM packet to obtain a corresponding IP parameter; the first ATM gateway uses The IP parameter encapsulates the ATM packet by IP, and obtains
  • the IP packet is sent to the second ATM gateway by using an IP network.
  • a method for transmitting an ATM message based on an IP network is further provided, which is applied to mutual communication between a first ATM gateway in a first ATM network and a second ATM gateway in a second ATM network, and the second ATM gateway has an inbound mapping.
  • Table the method includes:
  • the second ATM gateway receives an IP packet, and the IP packet is encapsulated with an ATM packet and an IP parameter, and the inbound mapping table is queried according to the IP parameter in the IP packet to obtain a corresponding ATM parameter.
  • the ATM parameter parses the IP packet, parses and acquires the ATM packet.
  • an embodiment of the present invention provides an ATM gateway, including a first receiver, a first memory, an encapsulator, and a first transmitter.
  • the first receiver is configured to receive an ATM packet.
  • the first memory is configured to store a mapping table, where the outbound mapping table stores a correspondence between an ATM parameter and an IP parameter, and the encapsulator obtains an ATM parameter of the ATM packet from the received ATM packet. Querying the outbound mapping table according to the ATM parameter, obtaining an IP parameter corresponding to the ATM parameter of the ATM packet, performing IP encapsulation on the ATM packet according to the corresponding IP parameter, and obtaining an IP packet, and The IP packet is sent to the first sender; the first sender sends the IP packet through an IP network.
  • the embodiment of the present invention further provides an ATM gateway, including a second receiver, a second memory, a decapsulator, and a second transmitter.
  • the second receiver is configured to receive and forward an IP packet, where the IP packet is Encapsulating an ATM packet and an IP parameter;
  • the second memory is stored in a mapping table, where the inbound mapping table stores a correspondence between an ATM parameter and an IP parameter;
  • the decapsulator the received IP packet Obtaining the IP parameter, querying the entry mapping table according to the IP parameter, and obtaining an ATM parameter corresponding to the IP parameter in the IP packet, and parsing the IP packet according to the ATM parameter, and obtaining Sending the ATM packet to the second transmitter; and the second transmitter forwarding the ATM packet to a corresponding device.
  • the embodiment of the present invention further provides a system for transmitting an ATM message based on an IP network, including a first ATM gateway and a second ATM gateway;
  • the first ATM gateway includes a first receiver, a first memory, a wrapper, and a first a transmitter;
  • the second ATM gateway includes a second receiver, a second memory, a decapsulator, and a second transmitter;
  • the first receiver is configured to receive an ATM packet and send the packet to the encapsulator
  • the first memory is configured to store a mapping table, where the outbound mapping table stores a correspondence between an ATM parameter and an IP parameter;
  • the encapsulator obtains an ATM parameter of the ATM packet from the received ATM packet, and queries the mapping table according to the ATM parameter to obtain an IP parameter corresponding to the ATM parameter of the ATM packet, according to the corresponding
  • the IP parameter encapsulates the ATM packet, obtains an IP packet, and sends the IP packet to the first transmitter.
  • the first transmitter sends the IP packet to the second receiver through an IP network; the second receiver forwards the received IP packet to the decapsulator;
  • the second memory is stored in a mapping table, where the inbound mapping table stores a correspondence between an ATM parameter and an IP parameter;
  • the decapsulator obtains the IP parameter from the received IP packet, and queries the inbound mapping table according to the IP parameter to obtain an ATM parameter corresponding to the IP parameter in the IP packet. Parsing the IP packet according to the ATM parameter, acquiring the ATM packet, and sending the ATM packet to the second transmitter;
  • the second transmitter forwards the ATM packet to a corresponding device.
  • the mapping table and the inbound mapping table are set on the first ATM gateway and the second ATM gateway, and the corresponding encapsulation and decapsulation are performed according to the mapping table, so that the ATM packet can be transmitted to the required network through the IP network.
  • FIG. 1 is a schematic diagram of a network structure of a method for transmitting an ATM packet based on an IP network according to the present invention
  • FIG. 2 is a schematic flowchart of Embodiment 1 of a method for transmitting an ATM packet based on an IP network according to the present invention
  • Embodiment 3 is a schematic flow chart of Embodiment 2 of a method for transmitting an ATM message based on an IP network according to the present invention
  • FIG. 4 is a schematic structural diagram of an ATM gateway according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of an ATM gateway according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural diagram of an ATM gateway according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic structural diagram of an ATM gateway according to Embodiment 4 of the present invention.
  • FIG. 8 is a schematic structural diagram of a system for transmitting an ATM message based on an IP network according to an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a system for transmitting an ATM message based on an IP network according to another embodiment of the present invention.
  • the embodiment of the present invention utilizes an ATM gateway in an ATM network to convert an ATM message into a long-distance transmission through a packet transmitted by an IP protocol, and then through an ATM gateway in another ATM network, to transmit an IP packet.
  • the ATM path information is disassembled, and the ATM message is restored, and then the ATM message is sent to the corresponding device, thereby realizing communication between the ATM networks.
  • the ATM gateway is provided with an outbound mapping table and an inbound mapping table for mapping IP parameters and ATM parameters, and supports both ATM connection and IP connection.
  • FIG. 1 it is a schematic diagram of a network structure of a method for transmitting an ATM packet based on an IP network according to the present invention.
  • each ATM device is connected to an ATM gateway 1 and 2 by a virtual circuit (Virtual Circuit, VC for short).
  • the virtual circuit is usually identified by a Virtual Path Identifier (VPI) and a Virtual Channel Identifier (VCI).
  • VPI Virtual Path Identifier
  • VCI Virtual Channel Identifier
  • the first ATM network and the second ATM network are connected through the ATM gateways 1, 2.
  • An IP network that is, a network that is connected by an IP protocol, such as the Internet.
  • Step 101 When the first ATM network passes the first ATM
  • the gateway 1 sends an ATM packet to the second ATM network, the first ATM gateway 1 queries the outbound mapping table stored in the first ATM gateway according to the ATM parameter, and performs exact matching according to the content in the mapping table entry to obtain a corresponding IP parameter;
  • Step 102 IP-encapsulating the ATM packet, and encapsulating the IP header and the UDP header according to the obtained IP parameter, and then invoking the IP packet sending interface to send the encapsulated ATM packet to the second ATM gateway 2;
  • Step 103 When the second ATM gateway 2 receives the encapsulated IP packet sent by the first ATM network, query the inbound mapping table stored in the second ATM gateway 2 according to the IP parameter, according to the content in the mapping table. Perform an exact match. When the match is successful, obtain the corresponding ATM parameters, and then parse the IP packet according to the ATM parameters, remove the IP header and UDP header of the packet, convert it to an internal ATM package, and send it to the corresponding ATM. device.
  • the access mapping table of the ATM parameter and the IP parameter is first established in the first ATM gateway and the second ATM gateway of the second ATM network, respectively, and the access mapping table may be bidirectional when set.
  • the first ATM network may send the message to the second ATM network, or may send the message to the first ATM network by the second ATM network in the reverse direction;
  • the first ATM gateway and the second ATM gateway must support both the ATM connection and the IP connection, and other ATM devices inside the ATM network only need to support the ATM connection. This is sufficient, so there is no need for large-scale retrofits.
  • ATM parameters and IP quads can be used in the selection of ATM parameters and IP parameters.
  • ATM The dual group is VPI+VCI
  • the IP quaternion is the source IP address SrcIP+ source port number Sport+ destination IP address DstIP+ destination port number Dport.
  • the establishment of the entry and exit mapping entries may be handled by call signaling or manually, and a single or bidirectional outgoing and incoming mapping table may be established at the time of establishment.
  • the outbound mapping table and the inbound mapping table have been processed by call signaling or manually established, see table 1-4, which lists only some of the entries.
  • the outbound mapping table may have a many-to-one situation, that is, multiple ATM dual-groups correspond to a set of IP quaternions, but the in-mapping table must be-corresponding.
  • Table 2 Incoming mapping table of the first ATM gateway 1
  • Table 4 Incoming mapping table of the second ATM gateway 2
  • the ATM message is transparently transmitted to the first ATM gateway 1 through the preset VC channel, and the first ATM is used.
  • the gateway 1 queries the outbound mapping table according to the uplink channel number.
  • the ATM dual group of the ATM device A is (100, 2), and corresponding to the outbound mapping table, the IP quad group can be found (10.78. 233.1, 2000, 10.78.233.2, 3000), then construct the IP header and UDP header according to the IP quad, and attach it to the ATM message, and then call the IP layer send function to send the message, if the mapping is in the query If the IP address is not found in the table, the ATM packet is discarded, and the operation ends.
  • the second ATM gateway 2 in the second ATM network receives the IP packet, it performs fragmentation and reassembly, and then according to its IP quad.
  • the parameter is searched into the mapping table to obtain its ATM dual group (200, 4), and then the decapsulated ATM message is forwarded to the corresponding ATM device according to the downlink (VPI, CID). If the lookup table fails, the BP transmission process continues.
  • the upper layer application of the SOCKET cannot use the port, and the target address is uniquely identified by the IP address and the UDP port number group.
  • the gateway device also has other IP packets, the interaction occurs. If the port has been used by the ATM mapping table, the socket application of the gateway device should not use the port, otherwise the Socket may not receive the packet.
  • the present invention can be applied to two kinds of ATM messages, one is a fixed length ATM cell, and the other is an AAL message, both of which are applicable to the previous embodiment.
  • the ATM network if the transmission is performed, When the AAL packet is transmitted, the AAL packet must be split into several fixed-length ATM cells and then sent. When transmitting by IP protocol, it is not necessary to disassemble into several fixed-length ATM cells. The specific process has been described by the previous embodiment.
  • Embodiment 2 of the method for transmitting an ATM packet based on an IP network includes the following steps:
  • Step 201 When the first ATM network sends an AAL message to the second ATM network through the first ATM gateway 1, the first ATM gateway 1 queries the mapping table according to the ATM parameter, according to the content in the mapping table entry. Perform an exact match to obtain the corresponding IP parameters;
  • Step 202 The ATM adaptation layer of the first ATM gateway 1 disassembles the AAL message into a plurality of ATM cells, and the AAL message may be AAL 1, AAL2, AAL3/4, and AAL5;
  • Step 203 IP encapsulation of the disassembled ATM cells, encapsulating the IP header and the UDP header according to the obtained IP parameters, and then calling the IP packet sending interface to encapsulate the IP encapsulated ATM Sending a cell to the second ATM gateway 2;
  • Step 204 When the second ATM gateway 2 receives the packet sent by the first ATM network, it searches the mapping table according to the IP parameter, and performs exact matching according to the content in the mapping table. When the matching succeeds, the corresponding ATM is obtained.
  • Step 205 The IP header and the UDP header of the packet are removed, and the internal ATM encapsulation is performed. Then, the ATM adaptation layer reassembles the plurality of ATM cells into an AAL packet, and the ATM adaptation layer is reported according to the ATM parameter. The file is forwarded to the receiving device.
  • the outbound mapping table and the inbound mapping table of the ATM parameter and/or the IP parameter are first established in the first ATM gateway and the second ATM gateway of the second ATM network and the second ATM network, respectively.
  • the outbound mapping table and the inbound mapping table may be bidirectionally set, that is, the first ATM network may send the message to the second ATM network, or the second ATM network may send the message to the first ATM network in the reverse direction.
  • the solution of the present invention can use the TCP mode to carry the ATM packet.
  • TCP mode When the TCP mode is adopted, it is necessary to establish a TCP connection between the first ATM gateway and the second ATM gateway of the two ATM networks before starting to transmit the ATM packet.
  • This method is applicable to the situation where there are few changes at both ends of the communication.
  • bearer such as TCP or UDP
  • This setting is mainly reflected in the establishment of the entry.
  • the solution of the invention can be applied to ATM cells and AAL messages.
  • the present invention uses the mapping table of ATM dual group and IP quaternary to map ATM parameters and IP parameters, which is very simple, and does not require large-scale equipment modification of existing equipment. It only needs to be set for the software in the first ATM gateway 1 and the second ATM gateway 2; and the invention can be easily transmitted through the IP network for single or multiple ATM cells or complete AAL messages. , the scope of application is relatively wide.
  • an ATM gateway includes a first receiver 11, a first memory 12, a wrapper 13, and a first transmitter 14;
  • the first receiver 11 is configured to receive an ATM message.
  • the first memory 12 is configured to store a mapping table, where the outbound mapping table stores a correspondence between an ATM parameter and an IP parameter;
  • the encapsulator 13 obtains the ATM of the ATM message from the received ATM message. Querying the outbound mapping table according to the ATM parameter, obtaining an IP parameter corresponding to the ATM parameter of the ATM packet, performing IP encapsulation on the ATM packet according to the corresponding IP parameter, and obtaining an IP packet, and Sending the IP packet to the first transmitter 14;
  • the first transmitter 14 sends the IP packet through an IP network.
  • the gateway further includes a decomposer 15.
  • the first receiver 11 When the ATM packet received by the first receiver 11 is an ATM adaptation layer message, the first receiver 11 will use the ATM.
  • the adaptation layer packet is forwarded to the decomposer 15, and the decomposer 15 splits the ATM adaptation layer packet into a plurality of ATM cells and sends the packet to the encapsulator 13.
  • an ATM gateway includes a second receiver 21, a second memory 22, a decapsulator 23, and a second transmitter 24;
  • the second receiver 21 is configured to receive and forward an IP packet, where the IP packet is encapsulated with an ATM packet and an IP parameter.
  • the second memory 22 is stored in a mapping table, where the inbound mapping table stores a correspondence between an ATM parameter and an IP parameter;
  • the decapsulator 23 receives the IP packet, and obtains the received packet from the received IP packet.
  • the IP parameter is obtained by querying the inbound mapping table according to the IP parameter, obtaining an ATM parameter corresponding to the IP parameter in the IP packet, parsing the IP packet according to the ATM parameter, and acquiring the ATM packet. And sending the ATM message to the second transmitter 24;
  • the second transmitter 24 forwards the ATM message to a corresponding device.
  • the gateway further includes a reassembler 26, when the ATM packet obtained by the decapsulator 23 is a plurality of ATM cells, the decapsulator 23 will use the multiple ATM cells.
  • the reassembler 26 sends the plurality of ATM cells to the ATM adaptation layer message and sends the message to the second transmitter 24.
  • a system for transmitting an ATM message based on an IP network includes a first ATM gateway 1 and a second ATM gateway 2;
  • the first ATM gateway 1 includes a first receiver 11, a first memory 12, and a wrapper 13 and a first transmitter 14;
  • the second ATM gateway 2 includes a second receiver 21, a second memory 22, a decapsulator 23, and a second transmitter 24;
  • the first receiver 11 is configured to receive an ATM message.
  • the first memory 12 is configured to store a mapping table, where the outbound mapping table stores ATM parameters. Correspondence with IP parameters;
  • the encapsulator 13 obtains an ATM parameter of the ATM packet from the received ATM packet, and queries the outbound mapping table according to the ATM parameter to obtain an IP corresponding to the ATM parameter of the ATM packet.
  • the parameter, the IP packet is encapsulated according to the corresponding IP parameter, the IP packet is obtained, and the IP packet is sent to the first transmitter 14;
  • the first transmitter 14 sends the IP packet to the second receiver 21 through an IP network; the second receiver 21 forwards the received IP packet;
  • the second memory 22 is stored in a mapping table, where the inbound mapping table stores a correspondence between an ATM parameter and an IP parameter;
  • the decapsulator 23 receives the IP packet, and obtains the received packet from the received IP packet.
  • the second transmitter 24 forwards the ATM message to a corresponding device.
  • the first ATM gateway 1 further includes a decomposer 15, and the second ATM gateway 2 further includes a recombiner 26.
  • the first receiver 11 forwards the ATM adaptation layer message to the decomposer 15, and the decomposer 15 splits the ATM adaptation layer message into multiple ATM cells, and sends the message to the Encapsulator 13;
  • the decapsulator 23 sends the plurality of ATM cells to the reassembler 2 6.
  • the reassembler 26 reassembles the plurality of ATM cells into an ATM adaptation layer message and sends the message to the Two transmitters 24.

Abstract

Procédé et système d'acheminement de messages ARM (mode de transfert asynchrone) au sein d'un réseau à base IP. Le procédé permet d'établir une inter communication entre la première passerelle ARM du premier réseau ARM et la seconde passerelle ARM du second réseau ARM. Lorsqu'elle envoie un message ARM au second réseau ARM, la première passerelle ARM consulte la table de mise en correspondance selon le paramètre ARM de ce message et obtient le paramètre IP correspondant. La première passerelle ARM exécute l'encapsulassions IP pour le message ARM au moyen du paramètre IP, obtient le message IP et l'envoie à la seconde passerelle ARM via le réseau IP. Avec la présente invention, la table de correspondance s'applique la première passerelle ARM, l'encapsulassions se faisant selon cette table. Ainsi, le message ARM peut être acheminé à l'adresse de dispositif requise dans le réseau ARM distant sans modification importante du dispositif.
PCT/CN2007/000125 2006-04-10 2007-01-12 Procédé de système d'acheminement d'un message atm au sein d'un réseau à base ip WO2007115458A1 (fr)

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CN200610073004.8 2006-04-10
CN 200610073004 CN1968191A (zh) 2006-04-10 2006-04-10 基于ip网络传送atm报文的方法

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101277477B (zh) * 2008-04-29 2012-04-04 华为技术有限公司 一种均衡流量的方法、装置及系统
CN103107990B (zh) * 2013-01-16 2015-12-02 大唐移动通信设备有限公司 一种介质转换系统及其连接方法
CN109787900B (zh) * 2017-11-15 2022-04-19 阿里巴巴集团控股有限公司 传输方法、装置、设备和机器可读介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1133299C (zh) * 2000-06-13 2003-12-31 深圳市中兴通讯股份有限公司 基于互联网协议的异步传输模式带内网络管理方法
US6728261B1 (en) * 2000-02-07 2004-04-27 Axerra Networks, Ltd. ATM over IP
CN1499850A (zh) * 2002-11-06 2004-05-26 华为技术有限公司 一种通用移动通信系统中建立传输承载的方法
CN1571395A (zh) * 2003-07-17 2005-01-26 华为技术有限公司 一种宽带接入设备支持atm网络承载ip报文协议的方法
US6937598B1 (en) * 1999-09-20 2005-08-30 Lucent Technologies Inc. Method and apparatus for transporting ATM cell traffic over IP networks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6937598B1 (en) * 1999-09-20 2005-08-30 Lucent Technologies Inc. Method and apparatus for transporting ATM cell traffic over IP networks
US6728261B1 (en) * 2000-02-07 2004-04-27 Axerra Networks, Ltd. ATM over IP
CN1133299C (zh) * 2000-06-13 2003-12-31 深圳市中兴通讯股份有限公司 基于互联网协议的异步传输模式带内网络管理方法
CN1499850A (zh) * 2002-11-06 2004-05-26 华为技术有限公司 一种通用移动通信系统中建立传输承载的方法
CN1571395A (zh) * 2003-07-17 2005-01-26 华为技术有限公司 一种宽带接入设备支持atm网络承载ip报文协议的方法

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