Shared protection in multicast optical networks

This paper investigates the problem of survivable multicasting in wavelength-division-multiplexing (WDM) optical mesh networks using optical-layer mixed-sharing protection. The term ldquomixed-sharingrdquo refers to that both the schemes of ldquoself-sharingrdquo and ldquocross-sharingrdquo are implemented to protect the multicast sessions. Each link on the primary tree(s) of a multicast session engrosses a wavelength channel. Under normal operation, the backup resources do not carry any traffic. So the backup resources of a multicast session may be shared by that of other sessions in the network. In this paper, we formulate an optimization model of the mixed-sharing protection for a batch of multicast sessions. We can obtain the optimal primary trees and their backup resources by solving the formulation. Simulation results show that the scheme of mixed-sharing can improve the performance of protection.

[1]  Gee-Swee Poo,et al.  A survey of optical multicast over WDM networks , 2003, Comput. Commun..

[2]  George Markowsky,et al.  A fast algorithm for Steiner trees , 1981, Acta Informatica.

[3]  Biswanath Mukherjee,et al.  Cross-sharing vs. self-sharing trees for protecting multicast sessions in mesh networks , 2006, Comput. Networks.

[4]  Biswanath Mukherjee,et al.  Light trees: optical multicasting for improved performance in wavelength routed networks , 1999, IEEE Commun. Mag..

[5]  Cai Lu,et al.  A Novel Shared Segment Protection Algorithm for Multicast Sessions in Mesh WDM Networks , 2006 .

[6]  Sanjoy Paul,et al.  Multicasting on the Internet and its Applications , 1998, Springer US.

[7]  Biswanath Mukherjee,et al.  Provisioning of survivable multicast sessions against single link failures in optical WDM mesh networks , 2003 .

[8]  Biswanath Mukherjee,et al.  Protecting multicast sessions in WDM optical mesh networks , 2003 .

[9]  Chunming Qiao,et al.  Constrained multicast routing in WDM networks with sparse light splitting , 2000 .

[10]  Lemin Li,et al.  On Protecting Dynamic Multicast Sessions in Survivable Mesh WDM Networks , 2006, 2006 IEEE International Conference on Communications.

[11]  Chunming Qiao,et al.  On fundamental issues in IP over WDM multicast , 1999, Proceedings Eight International Conference on Computer Communications and Networks (Cat. No.99EX370).

[12]  Sheng Wang,et al.  On protecting dynamic multicast sessions in survivable mesh WDM networks , 2006, 2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference.

[13]  Ian M. Leslie,et al.  How bad is naive multicast routing? , 1993, IEEE INFOCOM '93 The Conference on Computer Communications, Proceedings.

[14]  J. Kruskal.  On the shortest spanning subtree of a graph and the traveling salesman problem , 1956 .