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Title: Provisioning lightpath demands with quality of protection grades in WDM optical networks
Keywords: Wavelength division multiplexing, provisioning, survivability, quality of protection
Issue Date: 3-Jan-2005
Citation: FENG ZHEMIN (2005-01-03). Provisioning lightpath demands with quality of protection grades in WDM optical networks. ScholarBank@NUS Repository.
Abstract: Modern transport networks increasingly employ wavelength division multiplexing (WDM) technology to utilize the vast transmission bandwidth of fiber. A network with restoration capability requires redundant capacity to be used to give restoration guarantee, and a primary concern in designing such networks is to provide robustness with minimal redundancy. In WDM networks, provisioning means routing and wavelength selection for a set of end-to-end lightpath demands, given a demand distribution and a network topology, with the objective of minimizing the network resource usage. In this thesis, Quality of Protection (QoP) is considered while provisioning survivable WDM networks. Formulation of the problem is provided. Because the optimal solution to this problem is computationally intractable, heuristic solutions are developed for networks with and without wavelength continuity constraints. Simulations are conducted on two different network topologies and the results are discussed.
Appears in Collections:Master's Theses (Open)

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