Modeling and simulation study of survivability mechanisms in WDM-based high-speed networks

The ever-growing need for high bandwidth and low latency is spurring research into the use of novel networking technologies that can provide ultra-high-speed information transfer. The technological advancements in the field of WDMs, render WDM-based networks a promising architectural candidate. We propose two candidate architectures that employ IP, ATM and WDM technologies, i.e., ATM-over-WDM and IP-over-WDM. Further, we observe that service survivability (i.e., continued service provision in the event of network facility failures) is a very important concern since service disruption at high-speeds can cause a considerable amount of loss. Hence, we also propose restoration strategies that can tap the advantages of the various technologies and provide service survivability. We use modeling and simulation techniques to study the performance of the proposed survivability mechanisms and report our results.