Method for implementing automatic congestion control

A congestion control, automatic technology, applied in the field of communication

Active Publication Date: 2012-06-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, with the increasing development of multimedia communication, the congestion situation of each office in the multimedia communication system will become increasingly serious, but currently the H323 protocol under the softswitch system cannot Automatically control the congestion of each office, so that when traffic congestion occurs between adjacent offices, the congestion cannot be controlled through various internal settings and adjustments of the system

Method used

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  • Method for implementing automatic congestion control
  • Method for implementing automatic congestion control
  • Method for implementing automatic congestion control

Examples

Experimental program
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Embodiment Construction

[0027] At first the technical terms involved in the present invention are described as follows:

[0028] Automatic congestion control service: refers to the automatic flow control service that is initiated by the congested exchange and completed by the adjacent exchange when the flow to a certain office is too large and the traffic load is too heavy .

[0029] The Q.763 specification related to ISUP and the Q.1902.3 specification related to BICC have made similar descriptions on automatic congestion level parameters. Its data format can be referred to as follows:

[0030]

[0031] in:

[0032]

[0033] In the present invention, the definition of the above automatic congestion level parameter field can be utilized, for example, 00000000~01100100 in the parameter is defined to represent 0%~100%, 00000000 (0%) represents that there is no need to restrict calls to the congested office, and 01100100 (100% ) indicates that all calls to the congested office need to be barre...

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Abstract

The method comprises: a) the congested exchange receives an initiation address message or a call-establishing request message from the congestion-controlling exchange; b) the congested exchange sends a message carrying automatic congestion parameters to the congestion-controlled exchange; c) the congestion-controlling exchange receives the message carrying the automatic congestion parameters, andin term of the parameters sets the ratio for limiting the call, and then in term of the ratio for limiting the call, limits the call for the congested exchange.

Description

technical field [0001] The invention relates to a method for realizing automatic congestion control between exchanges in the communication field, more specifically, a method for realizing automatic congestion control in H323 under ISUP protocol, BICC protocol and softswitch system. Background technique [0002] ISDN User Part (ISUP), a major protocol of the SS7 / C7 signaling system, defines protocols and procedures for establishing, managing and releasing trunk circuits in the public switched telephone network (PSTN) Voice and data calls over the Internet. ISUP applies to both ISDN calls and non-ISDN calls. [0003] And now, many international standard organizations are working on making the standards of the next generation network (NGN). As an asymmetric protocol in the NGN protocol, the bearer-independent call control protocol (BICC protocol) evolved from the ISUP protocol and was standardized by the ITU-TSG11 group. It provides support independent of the bearer technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/02
Inventor 何杰成
Owner HUAWEI TECH CO LTD
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