[1] [1] L. Chiaraviglio, M. Mellia, F. Neri. Energy-aware backbone networks: a case study［C］. IEEE International Conference on Communications Workshops (GreenComm′09), 2009: 1～5

[2] [2] M. Baldi, Y. Ofek. Dynamic optical switching for a greener internet［C］. 18th Annual Wireless and Optical Communications Conference (WOCC′09), 2009: 1～3

[3] [3] L. Chiaraviglio, M. Mellia, F. Neri. Energy-aware networks: reducing power consumption by switching off network elements［C］. Gruppo Telecomunicazioni e Tecnologie Dell′Informazione (GTTI′ 08), 2008: 1～2

[4] [4] M. Xia, M. Tornatore, Y. Zhang et al.. Greening the optical backbone networks: a traffic engineering approach［C］. IEEE International Conference on Communications (ICC′10), 2010: 1～5

[5] [5] W. G. Hou, L. Guo, X. W. Wang. Traffic grooming algorithms for power efficiency in IP over WDM networks［C］. Second International Conference on Communication Systems，Networks and Applications (ICCSNA′10), 2010: 10～13

[6] [6] X. W. Wang, W. G. Hou, L. Guo et al.. Energy saving and cost reduction in multi-granularity green optical networks［J］. Computer Networks, 2011, 55(3): 676～688

[7] [7] R. S. Tucker, R. Parthiban, J. Baliga et al.. Evolution of WDM optical IP networks: a cost and energy perspective［J］. J. Lightwave Technol., 2009, 27(3): 243～252

[8] [8] W. Van Heddeghem, M. De Groote, W. Vereecken et al.. Energy-efficiency in telecommunications networks: link-by-link versus end-to-end grooming［C］. 14th Conference on Optical Network Design and Modeling (ONDM′10), 2010: 1～3

[9] [9] Zeng Ling, Xu Shizhong, Wang Sheng et al.. Traffic-grooming in WDM network under physical constraints［J］. Acta Optica Sinica, 2008, 28(s2): 219～222

[10] [10] Wang Ruyan, Liu Chengyao, Wu Dapeng et al.. A clustering-based static traffic grooming algorithm in WDM networks［J］. Study On Optical Communications, 2011, 37(3): 1～4

[11] [11] Zhou Li, Xiong Huagang. All-optical grooming algorithm for real-time WDM network［J］. Electronics Optics & Control., 2011, 18(3): 39～42

[12] [12] E. Yetginer, G. N. Rouskas. Power efficient traffic grooming in optical WDM networks［C］. Global Telecommunications Conference (GLOBECOM′09), 2009: 1～6

[13] [13] M. Hasan, F. Farahmand, J. Jue. Energy-awareness in dynamic traffic grooming［C］. Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC′10), 2010: 1～3

[14] [14] Tang Rui, Zhang Guoying, Zhang Haiyi. Dynamic traffic grooming in WDM optical networks［J］. Study on Optical Communications, 2008, 34(6): 4～6

[15] [15] S. Huang, D. Seshadri, R. Dutta. Traffic grooming: a changing role in green optical networks［C］. Global Telecommunications Conference (GLOBECOM′09), 2009: 1～6

[16] [16] G. X. Shen, R. S. Tucker. Energy-minimized design for IP over WDM networks［J］. J. Opt. Commun. & Networking, 2009, 1(1): 176～186