1. Rani, S., Sharma, A.K., Singh, P.: Efficient restoration strategy for DWDM multifiber optical networks. In: Proceedings of International Conference on Challenges and Opportunities in IT Industry, PCTE, Baddowal, Ludhiana, Punjab, India (2005)
2. Krishnaswamy, R.M., Sivarajan, K.N.: Algorithms for routing and wavelength assignment based on solutions of LP-relaxations. IEEE Commun. Lett. 5(10), 435–437 (2001)
3. He, R., Wen, H., Li, L., Wang, G.X.: Shared sub-path protection algorithm in traffic-grooming DWDM mesh networks. Photon. Netw. Commun. 8, 239–249 (2004)
4. Ou, C., Zang, H.: Sub-path protection for scalability and fast recovery in optical WDM mesh networks. In: Proceedings of Optical Fiber Communication Conference, Anaheim, CA, pp. 495–497, March 2002
5. Zang, H., Jue, J.P., Mukherjee, B.: A review of routing and wavelength assignment approaches for wavelength-routed optical DWDM networks. Opt. Netw. Mag. 1(1), 47–60 (2000)