Akira Nagata Shinya Yamamura Masato Uchida Masato Tsuru Proxy data transfer system with a stable control channel and dynamically changing data channels. 121-124 2008 Challenged Networks http://doi.acm.org/10.1145/1409985.1410009 conf/mobicom/2008chants db/conf/mobicom/chants2008.html#NagataYUT08