Titlebook: Routing and Wavelength Assignment for WDM-based Optical Networks; Quality-of-Service a Bijoy Chand Chatterjee,Nityananda Sarma,Eiji Oki Boo

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Literature Survey,t and compares them. Furthermore, the traffic grooming mechanisms are presented for better utilization of network resources. Finally, this chapter explores the fault management techniques that are used for recovery purpose.

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Introduction to Optical Network,o vast growth of communication bandwidth in every year. At the same time, the quick evolution of optical communication technologies has allowed the transmission of vast quantities of information on a single optical fiber. However, the communication protocols adopted by telecommunication service prov

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Literature Survey,ith a brief introduction of lightpath establishment in optical networks, and then move to different routing algorithms that are used for finding a end-to-end route between a source-destination pair. Thereafter, this chapter presents different wavelength assignment policies for lightpath establishmen

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Performance Analysis of Major Conventional Routing and Wavelength Assignment Approaches,y and average setup time. Simulation results indicate that the blocking performance of the first-fit wavelength assignment policy is the lowest among all the wavelength assignment policies. Adaptive routing provides lowest blocking performance among routing algorithms, but its average setup time is

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Priority-Based Routing and Wavelength Assignment Scheme, wavelength channels in each fiber link. This chapter introduces a priority based routing and wavelength assignment (PRWA) scheme in order to reduce call blocking in the network. The introduced PRWA scheme serves the lightpath requests for routing and wavelength assignment according to their priorit

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Priority-Based Dispersion-Reduced Wavelength Assignment Scheme,fects of dispersion, it requires additional cost, and has more propagation loss compared to step-index fiber (SIF). This chapter introduces a priority based dispersion-reduced wavelength assignment (PDRWA) scheme to reduce overall dispersion in optical networks. The introduced PDRWA scheme assigns l

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A Reliable Fault Resilience Scheme,e scheme to improve the network reliability. In the introduced scheme, established lightpaths are protected using the reliable shared protection tree to provide higher reliability. This protection tree is constructed by restricted sharing of a wavelength in the sub branch of the tree. In the reliabl