A link state inquiry response method and its device

A technology of link status and link status information, applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve the problem of frequent message interaction, and achieve the effect of reducing network load and traffic

Inactive Publication Date: 2008-06-04
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is to provide a link status query response method and its device, which are used to solve the problem that one link status query message from the MGC will cause two or three status response and confirmation messages from the SG. The problem of too frequent message interaction

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  • A link state inquiry response method and its device
  • A link state inquiry response method and its device
  • A link state inquiry response method and its device

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Embodiment Construction

[0039] Such as figure 2 As shown, it is a processing flow chart of link state query AUDIT in the prior art M2UA protocol, and the specific steps of the process are as follows:

[0040] Step 201, the MTP3 protocol entity of the MGC sends a link state query Audit message to the M2UA protocol entity of the MGC;

[0041] Step 202, the M2UA protocol entity of the MGC sends a State Req message to the M2UA protocol entity of the SG, and the message includes a state audit (STATUS_AUDIT);

[0042] Step 203, the M2UA protocol entity of the SG sends a link state inquiry request State Req message to the MTP2 protocol entity of the SG;

[0043] Step 204, the MTP2 protocol entity of the SG responds to the M2UA protocol entity of the SG with a link state inquiry response State Ack message;

[0044] Step 205, the M2UA protocol entity of the SG sends the link state confirmation State Cfm message compressed by the present invention to the M2UA protocol entity of the MGC;

[0045] Step 206, ...

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Abstract

The invention discloses a link state query answering method and a device; wherein, the method comprises the steps that: Step 1, the M2UA protocol entity of the MGC receives the link state query audit message sent by the MTP3 protocol entity of the MGC and sends a link state query request message to the M2UA protocol entity of the SG; Step 2, the M2UA protocol entity of the MGC receives the link state query answering message that is sent by the M2UA protocol entity of the SG with an attached link state information and reports to the MTP3 protocol entity of the MGC a link state query audit answering message to which a specific link state information is attached . The adoption of the invention reduces the link state query answering interaction quantity between the signaling gateway SG and the media gateway controller MGC based on the M2UA protocol over the user adaptation layer of the second layer of the signaling transmission.

Description

technical field [0001] The invention relates to an IP network signaling transmission protocol (SIGTRAN protocol), in particular to an M2UA link state query response method and a device thereof. Background technique [0002] With the gradual maturity of IP (Internet Protocol, Internet Protocol) network technology, there is a demand for transmission of circuit switching signaling protocols such as SS7 on the IP network. In order to meet the needs of transmitting signaling protocols on IP networks, the Internet Engineering Task Force of IETF (Internet Engineering Task Force) established a special signaling transmission group, which developed the IP network signaling transmission SIGTRAN protocol (Signaling Transport protocol) Supports transmission of traditional circuit-switched signaling over IP networks. In 2002, the IETF Engineering Task Force officially released the MTP2 User Adaptation Layer Protocol (MTP2User Adaptation [0003] Layer, M2UA), the M2UA protocol is used t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/24
Inventor 梁庆永陈普然张天维
Owner ZTE CORP
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