Xingwei Wang Lei Guo Xuetao Wei Weigang Hou Fei Yang Lan Pang Survivability in waveband switching optical networks: Challenges and new ideas. 2435-2442 2008 31 Computer Communications 10 http://dx.doi.org/10.1016/j.comcom.2008.03.011 db/journals/comcom/comcom31.html#WangGWHYP08