Path correlation considered prioritized burst segmentation for quality of service support in optical burst switching networks

Rui Hou; Jiana Changyue; Tingting He; Jianwei Yu; Bo Lei; Tengyue Mao

doi:10.1117/1.OE.52.4.045005

12 April 2013 Path correlation considered prioritized burst segmentation for quality of service support in optical burst switching networks

Rui Hou, Jiana Changyue, Tingting He, Jianwei Yu, Bo Lei, Tengyue Mao

Author Affiliations +

Optical Engineering, Vol. 52, Issue 4, 045005 (April 2013). https://doi.org/10.1117/1.OE.52.4.045005

Abstract

Burst segmentation (BS) is a high-efficiency contention resolution scheme in bufferless optical burst switching (OBS) networks. A prioritized BS scheme for quality of service (QoS) support is developed. Unlike the existing work on the BS scheme, the proposed BS model considers path-correlated factors, such as path length, the adjoining paths carrying traffic on a given path, and the multipriority traffic coming from all paths. Byte loss probability for high-priority and low-priority bursts under the time-based assembly approach and the length-based assembly approach to estimate the performance of the proposed BS scheme by comparing the cumulative distribution function of a burst length in an OBS ingress node (source) with that in an egress node (destination) is introduced. A preemptive BS policy for different priority bursts is proposed to support the QoS of the OBS network. Finally, a simulation is given to validate the proposed analytical model in an existing OBS network with two priority bursts. It is shown that the proposed BS scheme can realize the service differentiation for multipriority traffic under the consideration of network topology-dependent parameters.

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Rui Hou, Jiana Changyue, Tingting He, Jianwei Yu, Bo Lei, and Tengyue Mao "Path correlation considered prioritized burst segmentation for quality of service support in optical burst switching networks," Optical Engineering 52(4), 045005 (12 April 2013). https://doi.org/10.1117/1.OE.52.4.045005

Published: 12 April 2013

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