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A method for dynamic update of flow control transmission protocol address list

A technology of flow control transmission and protocol address, applied in the field of network communication, which can solve the problems of high-level service interruption and inflexibility

Inactive Publication Date: 2008-02-20
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This update method of deleting / recreating the coupled IP address is inflexible, and it is easy to cause interruption of high-level services

Method used

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  • A method for dynamic update of flow control transmission protocol address list
  • A method for dynamic update of flow control transmission protocol address list

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Embodiment Construction

[0026] Preferred embodiments of the present invention are described in detail below.

[0027] As shown in FIG. 4 , the present invention provides a method for dynamically updating an address list of a flow control transmission protocol, which includes the following steps.

[0028] A1. After the flow control transmission coupling is established, the end whose IP address list changes is used as the sender to call the heartbeat detection primitive, and the IP address list information to be updated is set in the parameters of the heartbeat detection primitive; the IP address list information includes Update the number of addresses, increase the update method, and the IP addresses that need to be updated. The sender's SCTP user can use a source / destination address combination as a path for updating the IP address, preferably, the sender invokes the heartbeat detection primitive on the preferred path.

[0029] A2. The sender constructs a heartbeat detection message, and the message...

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Abstract

The utility model discloses a method for the dynamic update of the address list of the stream control transport protocol, comprising the following steps: after a stream control transmission coupling is built, the end in which an IP address list changes is as a sender; the sender calls heart-beat detection primitive; the IP address list information needed to update is arranged in the parameter of the heart-beat detection primitive; the IP address list information comprises an updating address number, an updating mode and an IP address needed to update; the heart-beat detection information is built by the sender, and a flag field is arranged by the sender to indicate whether the receiver need to update the IP address list received from the sender; the change of the IP address is written in the information field of the heart-beat detection information by the sender, and the information field is sent to the receiver; the maintained IP address list needed to update is judged by the receiver according to the flag field of the heart-beat detection information, and the maintained IP address list is updated by the receiver according to the information field. In this way, the dynamic modification of the IP address list in both ends of the coupling is feasible without disconnecting the coupling.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method for dynamically updating an address list of a flow control transmission protocol. Background technique [0002] In the seven-layer protocol architecture of OSI (Open System Interconnection, Open System Interconnection), the SCTP protocol (Stream Control Transmission Protocol, Stream Control Transmission Protocol) is located at the transport layer and is a connection-oriented transport protocol. The SCTP protocol provides users with reliable message transmission services by establishing an association between two SCTP endpoints. An association is a logical connection for data transmission established by two SCTP endpoints (End Points) through the handshake mechanism of the SCTP protocol. Channel; there can be only one coupling between the two endpoints. [0003] An SCTP association can contain multiple possible source / destination address combinations, and these combi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/56H04L45/02H04L45/74
Inventor 周建波
Owner ZTE CORP
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