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A link detection method and access device

A technology for access equipment and link detection, which is applied in the field of communication, can solve the problems of not being able to ensure the security of the IMS core network and the rationality of the load at the same time, and achieve the effects of avoiding transmission, reducing network load, and ensuring correct implementation

Active Publication Date: 2018-05-01
XINYANG BRANCH HENAN CO LTD OF CHINA MOBILE COMM CORP
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a link detection method and access equipment to solve the problem that the existing link detection method cannot simultaneously ensure the security of the IMS core network and the rationality of the load

Method used

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  • A link detection method and access device
  • A link detection method and access device
  • A link detection method and access device

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Embodiment Construction

[0045] In view of the problem that the existing link detection method cannot ensure the security of the IMS core network and the rationality of the load at the same time, the embodiment of the present invention provides a link detection method. The execution subject of the method is the access device, and the process is as follows: image 3 As shown, the execution steps are as follows:

[0046] S30: Detect whether the access device has been registered in the IMS core network, if not registered, perform S31; if registered, perform S34.

[0047] When the access device accesses the IMS network for the first time, the detection result is unregistered.

[0048] S31: Send a link detection message carrying a preset domain name.

[0049] When it is detected that the access device has not registered in the IMS core network, a link detection message carrying a preset domain name may be sent. The preset domain name can be the default domain name such as the current provincial domain na...

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Abstract

The invention discloses a link detection method and an access device. The method includes: A. detecting whether the access device has been registered in the IMS core network; if not, executing B; if yes, executing E; Set the link detection message of the domain name; C, detect whether a response message is received, if not, execute B; if so, execute D; D, obtain the identification information of the SBC queried according to the preset domain name, store it, and execute I; E 1. Read the identification information of the SBC with the highest priority, if not read, execute B; if read, execute F; F, send a link detection message carrying the identification information; G, detect whether a response message is received, If yes, execute I; if not, execute H; H, delete the identification information of the SBC read from the available SBC list, execute E; I, end the process. This scheme has achieved great improvement in reducing network load and improving network security.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a link detection method and access equipment. Background technique [0002] The Internet Protocol Multimedia Subsystem (IMS) core network mainly includes Home Subscriber Server (HSS), Proxy-Call Session Control Function (P-CSCF), inquiry call session Inquiry-Call Session Control Function (I-CSCF), Service-Call Session Control Function (S-CSCF), Session Border Controller (Session Border Controller, SBC) and other network elements, different network elements Periodically send link detection messages (OPTIONS) to determine whether the link between the local network element and the adjacent network element is normal. Whether the header field of OPTIONS is set properly will directly affect the load and security of the IMS core network sex. Currently, there are two main link methods between the access device detection and the SBC: [0003] First, when multiple SBCs share the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L29/06
Inventor 段朋常会卿黄梅英刘遂江刘世峰谌伟超周俊裔李慧明
Owner XINYANG BRANCH HENAN CO LTD OF CHINA MOBILE COMM CORP
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