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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, it can solve the problems of unusable SCTP multi-homing feature, reduced reliability of SCTP interworking, loss of reliability, etc., and achieves convenient version upgrade, improved networking capability, and flexible technology Effect

Inactive Publication Date: 2010-05-12
HUAWEI TECH CO LTD
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  • Description
  • Claims
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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

[0042] see image 3The system for realizing SCTP multi-homing feature in the present invention is to add one or more pairs of centralized forwarding components to the existing second type of system to provide the centralized forwarding function under the IP networking (each centralized forwarding component can provide one or more IP interface), and other internal components achieve external communication through these centralized forwarding components, while SCTP components can choose to achieve external communication through centralized forwarding components, or through local interfaces to achieve external communication, or even based on centralized forwarding components and local interfaces at the same time. Realize external communication. Usually, the centralized forwarding component under this architecture handles a relatively large amount of traffic, and a general fault has a relatively large impact on the system. Therefore, the design of the active-standby relationship i...

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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, in particular to a system and method for realizing the multi-homing feature of Stream Control Transmission Protocol (SCTP). Background technique [0002] SCTP, like TCP (Transmission Control Protocol, Transmission Control Protocol) / UDP (UserDatagram Protocol, User Datagram Protocol), belongs to the transport layer protocol, which combines UDP message transmission (relative to TCP byte stream transmission) and TCP Reliable and orderly transmission characteristics are especially suitable for the telecommunications field, because the telecommunications field usually requires reliable delivery services, and does not want the upper layer to delimit the message. [0003] TCP / UDP usually uses a quaternion <Local Address (local address), Local Port (local port), Remote Address (destination address), Remote Port (destination port)> to identify a communication association, while SCTP c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/801
Inventor 汪大海
Owner HUAWEI TECH CO LTD
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