Implementation and Performance of a P2PSIP Distributed Proxy/Registrar

Jean-Francois Wauthy, Laurent Schumacher

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In this paper, the design of a distributed Proxy/Registrar based on Distributed Hash Tables is discussed. Three implementations, relying on OpenChord and Bamboo, are presented, and two of them are thoroughly tested in registration and call scenarios. In a distributed configuration with load balancing, this distributed Proxy/Registrar manages to handle 1,500+ REGISTER requests per second and 700+ call attempts per second. These performance show that P2PSIP is a valid option for large, decentralized set-ups.

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