Optimizing the Routing Performance of Roadm Optical Networks at Peak Traffic Using Wavelength Selective Switch

Abstract

From the past decade, optical networking has been a great boon to telecommunication industry newlineas it provides networking capability for a large geographical distance. It has supported a newlinesuperior rate of data transmission with a support of potential technologies of Wavelength newlineDivision Multiplexing (WDM), Reconfigurable Add/drop Multiplexer (ROADM), and newlineWavelength Selective Switching (WSS). However, with the presence of uncertain and newlineunpredictable traffic load, there is a presence of noise and rise of channel power that acts as newlinepotential constraints in enhancing the routing performance of optical network. This thesis newlinethereby presents a technique that performs optimization of routing performance in two levels. newlineThe first level considers the constraints of optical network and proposes a cost effective newlineoptimization technique using simple ROADM. The second level further optimizes routing by newlineenhancing the ROADM with inclusion of WSS. The first technique considers the problem of newlineenhancing the Optical Signal-to-Noise Ratio (OSNR), while the second technique considers newlinethe problem of enhancing the blocking probability. The proposed system has also validated the newlineoutcomes by comparing its outcome with outcome of the most significant and recent works newlinebeing carried out on the similar problem. The system also checks the impact of Optical Burst newlineSwitching (OBS) and queuing network model on routing performance. Mathematical newlinemodelling being the core backbone of both of the techniques, the proposed system offers a wide newlinerange of extensive evaluation with respect to existing system to find that proposed system offers newlinebetter blocking performance and throughput.