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Future Internet 2010, 2(4), 559-586; doi:10.3390/fi2040559

An Intrinsic TE Approach for End-to-End QoS Provisioning in OBS Networks Using Static Load-Balanced Routing Strategies

Center of Electronics Optoelectronics and Telecommunications (CEOT), University of the Algarve, FCT Campus de Gambelas, 8005-139 Faro, Portugal
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Received: 9 October 2010 / Revised: 21 October 2010 / Accepted: 21 October 2010 / Published: 22 October 2010
(This article belongs to the Special Issue QoS in Wired and Wireless IP Networks)
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Abstract

Optical burst switching provides a feasible paradigm for the next IP over optical backbones. However its burst loss performance can be highly affected by burst contention. In this paper we discuss traffic engineering approaches for path selection with the objective tominimize contention using only topological information. The discussed strategies are based on balancing the traffic across the network in order to reduce congestion without incurring into link state protocol penalties. The routing strategies are evaluated by simulation on an optical burst switching model specifically developed for the purpose with OMNeT++. Results show that our strategies outperform the traditionally used shortest path routing to an extent that depends on the network connectivity. View Full-Text
Keywords: optical networks; optical burst switching; pre-planned routing; path selection; quality of service; network simulation; network performance evaluation optical networks; optical burst switching; pre-planned routing; path selection; quality of service; network simulation; network performance evaluation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Barradas, A.L.; Medeiros, M.C.R. An Intrinsic TE Approach for End-to-End QoS Provisioning in OBS Networks Using Static Load-Balanced Routing Strategies. Future Internet 2010, 2, 559-586.

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