Multi-service triggering method based on extended initial filter criteria in IMS network

An initial filtering and multi-service technology, applied in the communication field, which can solve the problems of reducing S-CSCF throughput and increasing session establishment delay.

Inactive Publication Date: 2014-05-21
SUN KAISENS BEIJING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the existing multi-service triggering algorithm greatly increases the session establishment delay and reduces the throughput of the S-CSCF

Method used

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  • Multi-service triggering method based on extended initial filter criteria in IMS network
  • Multi-service triggering method based on extended initial filter criteria in IMS network
  • Multi-service triggering method based on extended initial filter criteria in IMS network

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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] Such as figure 2 As shown, in the IMS network of the present invention, a multi-service triggering method based on extended initial filtering rules includes the following three steps:

[0029] (1) Follow the iFC UML model defined in the 3GPP TS29.228 standard to extend iFC, and the extended iFC is defined as e-iFC;

[0030] (2) Use the Route header in the SIP message to manage the multi-service trigger identifier, that is, when the S-CSCF determines the service that needs to be triggered according to the e-iFC, the S-CSCF will add the SIP URL of the service that needs to be triggered in order of priority into the Route header of the SIP message, and then trigger the initial SIP message to the service with the highest priority. After the service is execute...

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Abstract

The invention discloses a multi-service triggering method based on an extended initial filter criteria in an IMS (IP Multimedia Subsystem) network. The multi-service triggering method comprises three operations steps of (1) extending iFC (initial Filter Criteria) by following an iFC UML (Unified Modeling Language) model defined in 3GPP TS ( 3rd Generation Partnership Project Technical Specification) 29.228 standards, and defining the extended iFC as e-iFC, (2) managing a multi-service triggering identification with a Route header in an SIP (Session Initiation Protocol) message, orderly adding services needing to be triggered to the Route header of the SIP message by an S-CSCF (Serving Call Session Control Function) according to the priorities of SIP URLs (SIP Uniform Resource Locators) and then triggering an initial SIP message to the service having the highest priority, and (3) executing a multi-service triggering method e-MSTA (electronic-Multicast Spanning Tree Algorithm) based on the e-iFC by virtue of the Route header in the SIP message and based on the e-iFC. The multi-service triggering method is capable of effectively reducing the signaling traffic of the S-CSCF by optimizing the multi-service triggering flow of the existing 3GPP, and as a result, the throughput capacity of the whole system is increased, the multi-service triggering efficiency of an IMS (IP Multimedia Subsystem) network, and in the meantime, session establishment time delay is remarkably reduced and the service quality of the IMS network is improved.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a multi-service triggering method based on extended initial filtering rules in an IMS network. Background technique [0002] The IP Multimedia Subsystem IMS (IP Multimedia Subsystem) is a new core network domain of an all-IP architecture proposed by the 3GPP (3rd Generation Partnership Project). The emergence of IMS provides strong support for developing multimedia services in telecommunication networks, and its Application Triggering Architecture (ATA, Application Triggering Architecture) enhances the flexibility and scalability of multimedia services. The SIP (Session Initiation Protocol) protocol has been accepted by 3GPP as the signaling control protocol of IMS. Since the SIP message is a text-based message, its parsing and string manipulation will greatly reduce the performance of the SIP server. The performance problem of the IMS network has been solved. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 荀兆勇孔令丽苏少明
Owner SUN KAISENS BEIJING TECH
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