Research on improving the registration success rate of VoWi-Fi under multiple equivalent path scenarios

Deyi CHENG; Jian QIAO

doi:10.11959/j.issn.1000−0801.2019011

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Research on improving the registration success rate of VoWi-Fi under multiple equivalent path scenarios

Operational Technology Wide Angle | 更新时间：2024-06-05

- Research on improving the registration success rate of VoWi-Fi under multiple equivalent path scenarios
- Telecommunications Science Vol. 35, Issue 1, Pages: 147-153(2019)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000−0801.2019011
  CLC： TP393.1
- Published Online：2019-01，
  
  Published：20 January 2019
- 稿件说明：
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Deyi CHENG, Jian QIAO. Research on improving the registration success rate of VoWi-Fi under multiple equivalent path scenarios[J]. Telecommunications science, 2019, 35(1): 147-153.
DOI：

Deyi CHENG, Jian QIAO. Research on improving the registration success rate of VoWi-Fi under multiple equivalent path scenarios[J]. Telecommunications science, 2019, 35(1): 147-153. DOI： 10.11959/j.issn.1000−0801.2019011.

摘要

3GPP的VoWi-Fi S2b规范要求客户端用IPSec隧道通过城域网注册到局端的ePDG，其在大网多等价路径环境中面临某条路径转发故障时，无法主动规避，进而导致业务无法注册使用。对故障原因进行分析并提出了解决方案：通过在IKE_AUTH阶段改变客户端源端口实现路径更换，能显著改善VoWi-Fi注册成功率，并通过实验进行了验证。其次通过在城域网边缘和 ePDG 端之间的双向网络路径全遍历检测，能快速定位并消除故障。

Abstract

The 3GPP's VoWi-Fi S2b specification requires the client to use the IPSec tunnel to register with the ePDG through the metropolitan area network. When IPSec faces a path forwarding fault in a multi-equivalent path environment of a metropolitan area network

it can't actively evade

and the service can't be registered. The cause of the malfunction was analyzed and an optimized solution was proposed. By changing the client source port in the IKE_AUTH phase to achieve path replacement

the VoWi-Fi registration success rate can be significantly improved and verified by experiments. Secondly

through the full traversal detection of the bidirectional network path between the edge of the metropolitan area network and the ePDG end

the fault can be quickly located and eliminated.

关键词

Keywords

references

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