On Wavelength Assignment in Optical Burst Switched Networks

10 years 3 months ago
On Wavelength Assignment in Optical Burst Switched Networks
A fundamental assumption underlying most studies of optical burst switched (OBS) networks is that full wavelength conversion is available throughout the network. In practice, however, economic and technical considerations are likely to dictate a more limited and sparse deployment of wavelength converters in the optical network. Therefore, we expect wavelength assignment policies to be an important component of OBS networks. In this paper, we explain why wavelength selection schemes developed for wavelength routed networks are not appropriate for OBS. We then develop a suite of adaptive and non-adaptive policies for OBS switches. We also apply traffic engineering techniques to reduce wavelength contention through traffic isolation. Our performance study indicates that, in the absence of full conversion capabilities, intelligent choices in assigning wavelengths to bursts at the source can have a profound effect on the burst drop probability in an OBS network.
Jing Teng, George N. Rouskas
Added 20 Aug 2010
Updated 20 Aug 2010
Type Conference
Year 2004
Authors Jing Teng, George N. Rouskas
Comments (0)