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A distributed routing and wavelength assignment algorithm for real-time multicast in WDM networks

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3 Author(s)
Chuanhe Huang ; Comput. Sch., Wuhan Univ., China ; Xinmeng Chen ; Xiaohua Jia

Routing and wavelength assignment for online real-time multicast connection setup is difficult due to the dynamic change of availabilities of wavelengths on links and the consideration of wavelength conversion delay in WDM networks. This paper presents a distributed routing and wavelength assignment algorithm for the setup of real-time multicast connections. It integrates routing and wavelength assignment as a single process, which greatly reduces the connection setup fine. The multicast routing algorithm is based on Prim's MST (minimum spanning tree) algorithm and K-restricted breadth-first search method, which can produce a subminimal cost tree under a given delay bound. The wavelength assignment uses least-conversion and load balancing strategies

Published in:

Info-tech and Info-net, 2001. Proceedings. ICII 2001 - Beijing. 2001 International Conferences on  (Volume:2 )

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