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An Efficient Network Utilization Scheme for Optical Burst Switched Networks

An Efficient Network Utilization Scheme for Optical Burst Switched Networks
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Author(s): Rajneesh Randhawa (Regional Institute of Management and Computer Sciences, India), J.S. Sohal (Ludhiana College of Engineering and Technology, India), Amit Kumar Garg (Shri Mata Vaishno Devi University (J&K), India) and R. S. Kaler (Thapar University, India)
Copyright: 2010
Volume: 3
Issue: 2
Pages: 16
Source title: Journal of Information Technology Research (JITR)
Editor(s)-in-Chief: Francisco José García-Peñalvo (University of Salamanca, Spain) and Mehdi Khosrow-Pour (Information Resources Management Association, USA)
DOI: 10.4018/jitr.2010040103

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Abstract

Optical Burst Switching (OBS) is one of the most important switching technologies for future IP over wavelength division multiplexing (WDM) networks. In OBS Network, the burst assembly technique is a challenging issue in the implementation of the system. Burst assembly influences burst characteristics, which negatively impacts network performance. In this paper, the authors propose an efficient hybrid burst assembly approach, which is based on approximate queuing network model. To reduce the time complexity, an approximate queuing network model has been considered. Throughput performance has been investigated, taking into account both burst loss probability and time complexity. Simulation results have shown that the proposed hybrid approach based on variable burst length threshold and fixed maximum time limitation provides Simulation results have also shown a good trade-off between burst blocking performance and scheduling time.

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