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A system and method for realizing the multi-homing feature of stream control transmission protocol

A technology of flow control transmission and transport layer protocol, applied in the field of communication, can solve the problems of unusable SCTP multi-homing features, reduced reliability of SCTP intercommunication, loss of reliability, etc., achieves convenient version upgrades, improved networking capabilities, and technical flexibility Effect

Inactive Publication Date: 2007-10-24
HUAWEI TECH CO LTD
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Problems solved by technology

[0006] In actual application, the above two types of existing SCTP-based systems cannot communicate well through SCTP. If the first type of system communicates with the second type of system, it will inevitably cause the SCTP multi-homing feature of the first type of system to fail. Use, thereby making it unreliable, is not allowed under high-reliability applications such as telecommunications
For example, under the 3G (3rd Generation, third-generation mobile communication technology) separation architecture, there are MGC (Media Gateway Controller, Media Gateway Controller) and MGW (Media Gateway, Media Gateway) of different manufacturers based on these two different types The result is that the reliability of the SCTP intercommunication carrying the H.248 (that is, between the MGC and MGW) protocol is reduced

Method used

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  • A system and method for realizing the multi-homing feature of stream control transmission protocol
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  • A system and method for realizing the multi-homing feature of stream control transmission protocol

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Embodiment Construction

[0041]Referring to Figure 3, the system of the present invention to achieve SCTP multi-homing features adds one or more pairs of centralized forwarding components to the existing second-type system, and provides centralized forwarding functions under IP networking (each centralized forwarding component can Provide one or more IP interfaces), other internal components realize external communication through these centralized forwarding components, and SCTP components can choose to realize external communication through centralized forwarding components, or realize external communication through local interfaces, or even based on centralized forwarding at the same time Component and local interface realize external communication. Generally, the centralized forwarding component under this architecture handles relatively large traffic, and the general failure has a greater impact on the system. Therefore, the design of the active and standby relationship is adopted, that is, the centra...

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Abstract

The related implementation method for SCTP multi-attributive feature comprises: A1. a centralized transmission assembly and SCTP assembly build respectively a transmission and distribution table; A2. the distribution engine module of SCTP sends data from SCTP communication module to the transmission engine module through a transmission interface; and A3. the latter sends data to the relative IP interface for outer communication. This invention improves system networking capacity, has well flexibility, and upgrades conveniently with low cost.

Description

Technical field [0001] The present invention relates to the field of communication technology, and in particular to a system and method for realizing the multi-homing characteristics of Stream Control Transmission Protocol (SCTP). Background technique [0002] SCTP and TCP (Transmission Control Protocol, Transmission Control Protocol) / UDP (User Datagram Protocol, User Datagram Protocol) belong to the same transport layer protocol, which combines UDP message transmission (relative to TCP byte stream transmission) and TCP The reliable and orderly transmission feature is especially suitable for the telecommunications field, because the telecommunications field usually requires reliable delivery services, and the upper layer does not want to delimit the message. [0003] TCP / UDP usually uses a four-tuple <Local Address (local address), Local Port (local port), Remote Address (destination address), Remote Port (destination port)>To identify a communication association, SCTP exte...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L12/801
Inventor 汪大海
Owner HUAWEI TECH CO LTD
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