Yun Liu Yue Ma James J. Han Haim Levendel Kishor S. Trivedi A proactive approach towards always-on availability in broadband cable networks. 51-64 2005 28 Computer Communications 1 http://dx.doi.org/10.1016/j.comcom.2004.08.022 db/journals/comcom/comcom28.html#LiuMHLT05