Xiaoming Wang Zhongmei Yao Dmitri Loguinov Residual-based estimation of peer and link lifetimes in P2P networks. 726-739 2009 17 IEEE/ACM Trans. Netw. 3 http://doi.acm.org/10.1145/1569732.1569736 db/journals/ton/ton17.html#WangYL09