Thomas C. Schmidt, Sebastian Wölke, Matthias Wählisch,
Peer my Proxy -- A Performance Study of Peering Extensions for Multicast in Proxy Mobile IP Domains,
In: Proc. of 7th IFIP Wireless and Mobile Networking Conference (WMNC 2014), Piscataway, NJ, USA: IEEE Press, May 2014.
Abstract: Proxy Mobile IPv6 (PMIPv6) and its multicast extensions have been designed by the IETF as a deployment friendly mobility scheme. Although easy to implement, the basic multicast proxy solution suffers from unwanted delay and jitter due to suboptimal traffic flows. In this paper, we recap recent IETF work on peering extensions for multicast proxies and make the following two contributions. First we introduce the design and implementation of a highly flexible, open proxy that allows for dynamic reconfiguration at runtime. In particular, the system can support a variety of functional extensions including peering. Second we report on extensive performance measurements of proxy peering in LTE and UMTS type networks. Our findings indicate that a transparent deployment of the peering option significantly smoothes handovers and chokes delay variations throughout the access network.
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