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

Alvaro L. Barradas and Maria do Carmo R. Medeiros
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Alvaro L. Barradas: Center of Electronics Optoelectronics and Telecommunications (CEOT), University of the Algarve, FCT Campus de Gambelas, 8005-139 Faro, Portugal
Maria do Carmo R. Medeiros: Center of Electronics Optoelectronics and Telecommunications (CEOT), University of the Algarve, FCT Campus de Gambelas, 8005-139 Faro, Portugal

Future Internet, 2010, vol. 2, issue 4, 1-28

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.

Keywords: optical networks; optical burst switching; pre-planned routing; path selection; quality of service; network simulation; network performance evaluation (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2010
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