在基于sip的IP电话系统中,使用Kademlia替代集中式用户位置服务器的效果研究

F. de Castro Louback Rocha, L. B. Ruiz
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引用次数: 0

摘要

在文献中发现了一些关于分散基于sip的IP语音(VoIP)系统的建议,用P2P覆盖网络取代客户端-服务器架构,但部署P2P网络的建议解决方案都没有研究分散对呼叫建立延迟的影响。我们提出了一个使用Kademlia代替集中式用户定位方法的系统。Kademlia提供并发搜索,这改善了用户定位的延迟,从而在网络遇到不同延迟时提供更快的呼叫建立,如本研究所示。本文还描述了使用Kademlia的系统是如何工作的,以及为了测量在IP电话系统上分散用户位置服务对呼叫建立时间的影响而进行的测试。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Study of the Effect of Using Kademlia as an Alternative to Centralized User Location Servers in SIP-based IP Telephony Systems
Some proposals are found on the literature for decentralizing SIP-based Voice over IP (VoIP) systems, replacing the client-server architecture for a P2P overlay network but none of the proposed solutions deploying a P2P network had studied the impacting of decentralization on call setup delay. We proposed a system using Kademlia instead of a centralized user location approach. Kademlia offers concurrent searches and this improves the latency in user location and thus provide a faster call establishment when the network experiences different delays, as showed in this study. In this paper it is also described how the system using Kademlia works as well as the tests performed in order to measure the impact on call establishment time when decentralizing a user location service on an IP telephony system.
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