Performance of optical burst switching techniques in multi-hop networks

We investigate the performance of reservation mechanisms for optical burst switching (OBS) in multiple hop network environments. We first review current research on wavelength reservation schemes for OBS, and investigate the path length priority effect of existing just-enough-time (JET) scheme. Then, we propose a novel hop-by-hop priority increasing (HPI) scheme. The simulation results showed that the proposed scheme could avoid the path length priority effect and enhance the end-to-end throughput in multiple hop network environments.