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Proceedings Paper

Modeling of wavelength multiplexing networks for storage area networking
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Paper Abstract

Recently, there has been increased interest in the use of optical networks for disaster recovery of large computer systems by extending storage area networks (SANs) over hundreds of kilometers or more. These optical datacom networks, which incorporate wavelength division multiplexing (WDM), have several unique requirements. The purpose of this work has been to develop computer simulation tools for optical datacom networks. The models are capable of automatically designing a WDM network configuration based on minimal input; validating the design against any protocol-specific requirements; suggesting alternative configurations; and optimizing the design based on metrics including performance of the network (efficient use of bandwidth to support the attached computing devices), reliability (searching the proposed topology for single points of failure), scalability (based on user input of potential future upgrade paths), and cost of the associated networking equipment. The model incorporates typical computer performance data, which allows the prediction of system performance before the network is implemented. We present simulation results for a variety of MAN topologies, using currently available WDM networking equipment. These results have been validated by comparison with an enterprise optical networking testbed constructed for storage area networks.

Paper Details

Date Published: 25 October 2004
PDF: 11 pages
Proc. SPIE 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II, (25 October 2004); doi: 10.1117/12.570546
Show Author Affiliations
Aparicio Carranza, CUNY/New York City College of Technology (United States)
Casimer M. DeCusatis, IBM Corp. (United States)

Published in SPIE Proceedings Vol. 5598:
Performance, Quality of Service, and Control of Next-Generation Communication Networks II
Frank Huebner; Robert D. van der Mei, Editor(s)

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