Performance Analysis of QoS Oriented Path Length Based Wavelength Assignment Algorithm Strategy
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 7
Abstract
This paper addresses the issue of providing Quality of Service (QoS) for all optical networks. In this paper, an efficient QoS oriented path length based wavelength assignment strategy for wavelength routed WDM networks has been purposed which assign the wavelength to the connection request according to the path length. Dispersion in fiber optic is wavelength dependent and it degrades the quality of service (QoS) in an optical network. In this scheme, the connection requests with longer lightpath are assigned the wavelengths having lesser dispersion and the wavelengths having higher dispersion are assigned to the lightpaths with shorter distance. The lightpaths are computed using alternate path routing to achieve the lower blocking probability. The blocking performance of proposed strategy is compared with most prevalent strategy among the existing strategies. For large size network, where the number of requests are high this strategy shall be the optimum choice.
Authors and Affiliations
Tarun Gupta, Dr. Amit Garg, Gourav Sapra
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