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P-CSCF load management method and PGW

A technology of P-CSCF and load management, applied in the field of P-CSCF load management method and packet data network gateway, can solve the problems of equipment VoLTE voice service damage, unrecognizable congestion, etc.

Active Publication Date: 2017-02-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When dealing with these scenarios in the existing technology, the P-CSCF that needs to be upgraded or relocated may be directly offline or the congestion cannot be identified, which will cause the VoLTE voice service on the device to be damaged

Method used

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  • P-CSCF load management method and PGW
  • P-CSCF load management method and PGW
  • P-CSCF load management method and PGW

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0271] Embodiment 1 of the present invention provides a P-CSCF load management method, which is applied to PGW, see image 3 , the method may include:

[0272] S301. Receive a status message sent by each P-CSCF managed by the PGW.

[0273] Optionally, the status message may be a normal interaction message between the PGW and the P-CSCF, that is, the content in the status message is carried through the normal interaction message between the PGW and the P-CSCF.

[0274] Of course, the status message may also be a dedicated message, dedicated to sending the content contained in the status message; the present invention does not specifically limit the form of the status message.

[0275] It should be noted that no matter what form the status message takes, the receiving time of the status message can be determined according to actual requirements, which is not specifically limited in the present invention.

[0276] Exemplarily, if the status message is a normal interaction message...

Embodiment 2

[0298] Embodiment 2 of the present invention provides another P-CSCF load management method, which is applied to PGW, see Figure 4 , the method may include:

[0299] S401. Receive a status message sent by each P-CSCF managed by the PGW.

[0300] The manner in which the PGW receives the status message sent by each P-CSCF managed by the PGW has been described in detail in Embodiment 1, and will not be repeated here.

[0301] Optionally, a P-CSCF status message may include at least one of the following information: load information for indicating the access capability of the P-CSCF, bearer information for indicating whether the P-CSCF is currently overloaded, Maintenance information used to indicate whether the P-CSCF is about to perform operation and maintenance.

[0302] Specifically, the load information may include at least one of the following information: the remaining load quantity of the P-CSCF that can be accessed, and the capacity occupancy ratio of the P-CSCF. The ...

Embodiment 3

[0437] Embodiment 3 of the present invention provides yet another P-CSCF load management method, taking the interaction between each unit in the EPC network and the IMS network as an example, and describing in detail image 3 or Figure 4 method shown. Wherein, a process in which the PGW directly interacts with the P-CSCF through the SGi interface is taken as an example.

[0438] It is assumed that the PGW manages two P-CSCFs, which are recorded as P-CSCF A and P-CSCF B respectively.

[0439] see Figure 5 , the method may include:

[0440] S501. The PGW respectively receives the status message containing the load information sent by the P-CSCF A and the P-CSCF B through the SGi interface.

[0441] Exemplarily, the load information in the status message sent by P-CSCF A received by the PGW is: the capacity occupancy ratio is 30%; the load information in the status message sent by the P-CSCF B received by the PGW is: the capacity occupancy ratio is 50% %.

[0442] S502. T...

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Abstract

The embodiment of the invention discloses a P-CSCF load management method and a PGW, and relates to the communication field. The automatic load balance and the VoLTE voice business lossless load migration are realized. The method comprises: receiving the state information sent by each P-CSCF though PGW management; according to the state information, performing management of the load on each P-CSCF through the PGW management. The P-CSCF load management method and the PGW are applied to the P-CSCF load management.

Description

technical field [0001] The present invention relates to the communication field, in particular to a P-CSCF load management method and a Packet Data Network Gateway (Packet Data Network GateWay, PGW for short). Background technique [0002] After the Voice Over LTE (VoLTE) technology is deployed on the network, the Internet Protocol (IP) Multimedia Subsystem (IP Multimedia Subsystem, IMS) network is controlled by the Proxy-Call Session Control Function (Proxy-Call Session Control Function) , P-CSCF for short), Interrogating-Call Session Control Function (Interrogating-Call Session Control Function, I-CSCF for short), and Serving-Call Session Control Function (S-CSCF for short). Wherein, the P-CSCF acts as a proxy node for IMS access, and all IMS services need to be accessed through the P-CSCF. [0003] Under VoLTE deployment, the PGW in the Evolved Packet Core (EPC) network is connected to the P-CSCF of the IMS network through the SGi interface. The connection between the PG...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
CPCH04L65/1016H04L65/102H04L65/1046H04L67/1008H04L67/1029
Inventor 陈霞云倪国瑜邓涛陈丽金
Owner HUAWEI TECH CO LTD
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