Designs and simulated implementations of fault-tolerant routing mechanisms in IP/DWDM optical Internet

Xingwei Wang; Jia Li; Weihua Lin; Min Huang

doi:10.1117/12.574614

8 February 2005 Designs and simulated implementations of fault-tolerant routing mechanisms in IP/DWDM optical Internet

Xingwei Wang, Jia Li, Weihua Lin, Min Huang

Proceedings Volume 5626, Network Architectures, Management, and Applications II; (2005) https://doi.org/10.1117/12.574614
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

IP/DWDM optical Internet is considered to be a promising candidate for Next Generation Internet backbone. Fault-tolerant mechanisms have become critical technologies in IP/DWDM optical Internet. In this paper, based on preventive and reactive schemes, four fault-tolerant routing mechanisms in IP/DWDM optical Internet are proposed to deal with the problem of routing and wavelength assignment with dynamic single/multiple point failures under dynamic traffic demands, such as link/node/channel failures. The proposed mechanisms take load balancing into account, and a heuristic wavelength assignment algorithm is introduced to reduce the end-to-end delay. Simulation results have shown that the proposed fault-tolerant routing mechanisms are both feasible and effective.

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Xingwei Wang, Jia Li, Weihua Lin, and Min Huang "Designs and simulated implementations of fault-tolerant routing mechanisms in IP/DWDM optical Internet", Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); https://doi.org/10.1117/12.574614

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KEYWORDS

Internet

Switches

Dense wavelength division multiplexing

Optical fibers

Analytical research

Channel projecting optics

Lithium

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