An integrated routing and offset-time adaptation scheme for OBS network

Abstract

Optical burst switching (OBS) is considered as one of the most potential technology for implementation of transparent optical Internet in near future. In this paper we propose an integrated scheme for loss reduction and efficient resource utilization in OBS. We develop a framework for computation of estimated space-time loss surface in space-time plane for a burst over the network and utilise it to determine the most appropriate route and corresponding offset-time for the burst. The integrated routing and offset-time adaptation scheme proposed here, can simultaneously offer significantly lower burst loss rate and higher network-wide resource utilisation.