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Method for implementing IMS network reliability

An implementation method and reliability technology, which is applied in the field of communication, can solve problems such as user service interruption, and achieve the effect of improving reliability and shortening interruption time

Active Publication Date: 2007-01-31
INVT SPE LLC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The present invention provides a method for realizing IMS network reliability, so as to solve the problem that in the existing IMS, the user service may be interrupted for a long time due to the failure of the network entity during the period from the successful registration of the user to the re-registration initiated by the user.

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  • Method for implementing IMS network reliability
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  • Method for implementing IMS network reliability

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Embodiment Construction

[0042] In order to solve the problem in the existing IMS that the user service may be interrupted for a long time due to the failure of the network entity during the period from the successful registration of the user to the re-registration initiated by the user, in the present invention, the first network entity in the IMS network is informed that the data related to user registration is saved. Whether the second network entity is invalid; and when the first network entity learns that the second network entity is invalid, notify the registered user related to the failed second network entity to re-register.

[0043] The "failure" mentioned in this article refers to the restart of the network equipment after failure, or the situation that the network equipment is completely damaged due to uncontrollable factors.

[0044] The second network entity storing user registration related data in the network includes: a proxy-call session control function (P-CSCF) entity, a service-call...

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Abstract

The invention discloses an IMS network reliability implementing method, for solving the problem of long-time interrupt of user service caused by failure of network entity in the course from user register success to user re-register in the existing IMS, learning whether the second network entity with user register related data fails or not by the first network entity in the IMS network; and when the first network entity learns the second network entity fails, informing the users related with the second network entity to re-register. And the invention discloses a method for learning state variation of network entity in IMS network.

Description

technical field [0001] The invention relates to IP Multimedia Subsystem (IMS) technology in the communication field, in particular to a method for realizing IMS network reliability. Background technique [0002] As the core session control layer of fixed and mobile networks, IMS has become the focus of current industry discussions. Many IMS-related specifications are defined in 3GPP and TISPAN standards, including network architecture, interfaces, and protocols. The IMS uses the SIP protocol as the call control signaling. In the IMS network, the subscription data of IMS users is centrally managed by the Home Subscriber Server (HSS), the service is provided by the Application Server (AS), and the session control is completed by the Service-Call Session Control Function (S-CSCF) entity, and the S-CSCF entity Separated from the AS in network structure, services are triggered by the S-CSCF entity to the AS for processing, and multiple ASs can work together. The user accesses t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04W68/00H04L65/1016H04W48/16H04L29/06523H04L41/0663H04L29/14H04W60/00H04L65/80H04W4/18H04W28/04H04L29/06217H04L69/40
Inventor 文楷顾炯炯
Owner INVT SPE LLC
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