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Method and device for processing request message

A technology for requesting messages and processing methods, which is applied in the field of communication and can solve problems such as increasing the load of downstream DRA nodes.

Active Publication Date: 2021-09-28
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen from the above that if the downstream DRA node cannot route the received request message to the server, the upstream DRA node needs to reroute multiple times to send the request message to the downstream DRA node, thereby generating a signaling storm and increasing the load of the downstream DRA node

Method used

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  • Method and device for processing request message
  • Method and device for processing request message

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Experimental program
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Embodiment 1

[0021] With the popularity of the fourth generation mobile communication technology (4G, the 4th Generation mobile communication), high-speed data services and voice services based on 4G packet domains (VoLTE, Voice over LTE) can be realized under the 4G network. Both 4G data services and VoLTE voice services use the Diameter protocol for authentication, mobility management, and billing.

[0022] see figure 1 As shown, the Diameter network in the embodiment of the present invention includes: a client 10 that initiates a Diameter request message, an upstream disaster recovery protection group 30 that forwards a Diameter request message, a downstream disaster recovery protection group 40 that forwards a Diameter request message, and a Diameter request message The server 20 that responds to the message. Wherein, the upstream disaster recovery protection group includes an upstream DRA node, and the upstream DRA node is directly connected to the client 10 . The downstream disaste...

Embodiment 2

[0075] Based on the same inventive concept, an embodiment of the present invention provides an apparatus for processing a request message.

[0076] see Figure 6 As shown, the device 60 includes: a first receiving unit 61, configured to receive a request message from an upstream diameter routing agent DRA node, the request message carrying a destination node identifier; a first judging unit 62, used to judge whether the destination node identifier belongs to itself A set of node identifiers of the server under its jurisdiction; forwarding unit 63, configured to forward the request message to the second downstream DRA node if not, and the second downstream DRA node is the paired DRA node of the first downstream DRA node.

[0077] In this embodiment, the device further includes: a second receiving unit, configured to receive a route reselection error response message fed back by the second downstream DRA node for the request message; a generating unit, configured to, based on th...

Embodiment 3

[0083] Based on the same inventive concept, an embodiment of the present invention also provides a request message processing apparatus.

[0084] see Figure 7 As shown, the device 70 includes: a fourth receiving unit 71, configured to receive a request message forwarded by the first downstream diameter routing agent DRA node, the request message carries the destination node identifier, and the first downstream DRA node is the pairing of the second downstream DRA node DRA node; second judging unit 72, used to judge whether the destination node ID belongs to the node ID set of the server under its jurisdiction; processing unit 73, if not, then find out whether the paired DRA node of itself can be used to forward the request message ; If yes, forward the request message through the found paired DRA node; if not, feed back a route reselection error response message to the first downstream DRA node.

[0085] In this embodiment, the request message also carries a routing record, a...

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Abstract

The embodiment of the present invention discloses a request message processing method, the method is applied to the first downstream diameter routing agent DRA node, the method includes: receiving the request message from the upstream DRA node, the request message carries the destination node identifier; judging the destination node Whether the identification belongs to the node identification set of the server under its jurisdiction; if not, the request message is forwarded to the second downstream DRA node, and the second downstream DRA node is the paired DRA node of the first downstream DRA node. The embodiment of the invention also discloses a request message processing device.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for processing request messages. Background technique [0002] The Diameter protocol is a typical communication protocol between network elements of the core network in the Internet Protocol (IP, Internet Protocol) era, and the network elements of the core network communicate through a Diameter signaling interface. For the convenience of maintenance and management, Diameter Routing Agent (DRA) nodes are used to forward Diameter signaling messages between core network elements. [0003] When forwarding a signaling message such as a request message, first, the client sends the request message to the upstream DRA node; secondly, the upstream DRA node sends the request message to the downstream DRA node; then, if the downstream DRA node cannot If the message is routed to the server, the current downstream DRA node will feed back the routing failure message to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/63
Inventor 李新林
Owner CHINA MOBILE COMM GRP CO LTD