Performance Analysis of the REAchability Protocol for IPv6 Multihoming
NEW2AN '07 Proceedings of the 7th international conference on Next Generation Teletraffic and Wired/Wireless Advanced Networking
IPv6 multihoming support in the mobile internet
IEEE Wireless Communications
Host mobility for IP networks: a comparison
IEEE Network: The Magazine of Global Internetworking
Multihoming Management for Future Networks
Mobile Networks and Applications
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This paper characterizes analytically the performance of REAchability Protocol (REAP), a network layer end-to-end recovery protocol for IPv6. REAP was developed by the IETF SHIM6 Working Group as part of its multihoming solution. The behavior of REAP is governed by a small number of parameters: three timers, a simple characterization of the application traffic, and the communication delay. The key figure of merit of REAP performance is the time to recover from a path failure as seen by the upper layers, figure that cannot be trivially obtained, despite the apparent simplicity of this reachability protocol. In this paper we provide upper bounds for the recovery time of REAP for different deployment scenarios, applying these analytical results to two interesting case studies, TCP and VoIP traffic.