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Session binding method, device, equipment and medium

A technology of preset time and messages, applied in the LTE field, can solve problems such as the inability to successfully carry out VOLTE services

Active Publication Date: 2021-10-26
LIAONING MOBILE COMM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This IP address will be assigned to another user by SAEGW, which will cause DRA to forward the Rx message sent by SBC to the wrong PCRF based on the corresponding relationship between IP address and PCRF according to the session binding mechanism, so that the VOLTE service cannot be successfully performed.

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  • Session binding method, device, equipment and medium
  • Session binding method, device, equipment and medium
  • Session binding method, device, equipment and medium

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Embodiment Construction

[0028] The characteristics and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only configured to explain the present invention, not to limit the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and ...

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Abstract

The invention discloses a session binding method, device, equipment and medium. The session binding method includes: receiving an activation IMS APN request message initiated by a SAEGW network element through a Gx interface, selecting a PCRF network element with a policy and charging rule function, and generating a corresponding relationship between the first IP address and the first PCRF network element; if The first PCRF network element does not respond within the preset time, and receives the CCR-F message sent by the SAEGW network element, then records the first IP address carried in the CCR-F message, and triggers the SRC-A message, SRC-A The correspondence between the first IP address and the first PCRF network element is carried in the message; the SRC module caches the correspondence between the first IP address and the first PCRF network element; if a session message related to the first IP address is received, then A corresponding SRC-type message is triggered according to the session message. By adopting the invention, the DRA can identify the IP address conflict caused by message delay, route the signaling to the correct PCRF, and avoid Volte service failure.

Description

technical field [0001] The present invention relates to the technical field of LTE, in particular to a session binding method, device, equipment and medium Background technique [0002] According to the current routing agent node (DRA, Diameter Routing Agent) specification, the mechanism of Gx / Rx interface session binding is: DRA for IMS APN (IMS, IP Multimedia Subsystem, IP Multimedia Subsystem; APN, Access Point Name, access point Name) Gx interface signaling message, after the load sharing route to a certain PCRF in the PCRF POOL, record and save the binding relationship between the IP address in the user Framed-IPv6-Perfix and the PCRF address, and synchronize this information to Another paired DRA, the DRA receives the Rx interface signaling message sent by the VoLTE SBC (VoLTE Session Border Controller), and queries the IP address stored in itself according to the IP address in the AVP Framed-IPv6-Perfix carried in the Rx interface signaling message. Record the bindin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/12H04L29/06H04L12/14
CPCH04L67/14H04L61/2553H04L65/1016H04L12/1407H04L61/59
Inventor 周晓飞
Owner LIAONING MOBILE COMM
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