Research Article
Statistical Multiplexed Optical Burst-Train Switching Network
@INPROCEEDINGS{10.4108/ICST.BROADNETS2009.7300, author={Oliver Yu and Ming Liao}, title={Statistical Multiplexed Optical Burst-Train Switching Network}, proceedings={6th International ICST Conference on Broadband Communications, Networks, and Systems}, publisher={IEEE}, proceedings_a={BROADNETS}, year={2009}, month={11}, keywords={Bandwidth Communication system traffic control Optical buffering Optical devices Optical fiber networks Optical switches Propagation delay Telecommunication traffic Time division multiplexing WDM networks}, doi={10.4108/ICST.BROADNETS2009.7300} }- Oliver Yu
Ming Liao
Year: 2009
Statistical Multiplexed Optical Burst-Train Switching Network
BROADNETS
IEEE
DOI: 10.4108/ICST.BROADNETS2009.7300
Abstract
The Optical Burst-Train Switching (OBTS) network efficiently transports multi-granular subwavelength constant-bit-rate (CBR) and variable-bitrate (VBR) traffic streams over an all-optical network with sparse wavelength convertibility while minimizing access blocking of traffic streams. Sub-wavelength traffic streams are shaped into periodic burst-trains at network edge with variable burst sizes. Proactive periodic reservation of burst-trains minimizes reservation signaling and scheduling overheads. OBTS combines variable-sized-slot time division multiplexing over network core and stream-based statistical multiplexing at network edge to provide guaranteed bandwidth for CBR traffic, while minimizing data loss of average-provisioned VBR traffic. Performance of OBTS is analyzed in terms of stream or burst-train blocking and data loss of average-rate provisioned VBR traffic. The tuning effects on OBTS performance are investigated with regards to wavelength convertibility factor, switching latency, periodic scheduling frame size, burst size and traffic burstiness.