A Model of Queuing Theory for the Performance Analysis of Nodes in WDM Networking

摘要

This article presents an analytical model that applies Queuing Theory to analyse the performance of the grooming node in a WDM Network. Grooming nodes were analysed based on the conditions of WDM-Wavelength and WDM-without Wavelength conversion configurations. The main predictive parameters investigated were the blocking probability and the traffic time delay. A comparison of the results from an analytical model and from the simulation model demonstrated good agreement. The model is therefore a simple, fast and accurate alternative for the performance analysis of nodes in WDM Networks using both WDM-Wavelength and WDM-without Wavelength conversion system configurations, specifically when considering the blocking probability and the time delay.