supported in part by the National Natural Science Foundation of China (Grant Nos. 61172051,61071124);the Fok Ying Tung Education Foundation (Grant No. 121065);the Program for New Century Excellent Talents in University (Grant Nos. 11-0075,12-0102);the Fundamental Research Funds for the Central Universities (Grant Nos. N110604008,N110204001);the Specialized Research Fund for the Doctoral Program of Higher Education (Grant Nos. 20110042110023,20110042120035,20120042120049)
Energy savings in Internet have been regarded as a significant technical issue for academic and industrial community.Particularly,access network accounts for more than 70%of the total energy consumption of Internet.As...