WDM multistage interconnection networks architectures for enhancing supernetworks switching infrastructure

Authors:
Haitham S. Hamza;Jitender S. Deogun
Affiliations:
Department of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, NE;Department of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, NE
Venue:
HiPC'05 Proceedings of the 12th international conference on High Performance Computing
Year:
2005

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Abstract

Multistage Interconnection Networks (MINs) provide the required switching infrastructure for many shared-memory multiprocessor systems and telecommunication networks. The concept of Supernetworks is evolving in response to emerging computation and communication intensive applications. Supernetworks exploit parallelism in both computing resources and communication infrastructures by interconnecting several computing clusters via high-bandwidth communication links. Wavelength Division Multiplexing (WDM) technology provides the communication infrastructure for Supernetowrks by dividing the bandwidth of a single fiber into numerous channels that can be used independently. In this paper, we investigate several architectures for WDM MINs that enhance the Supernetworks switching infrastructure. Our objective is to propose a new architecture and to evaluate its hardware complexity by comparing it to other WDM MINs architectures.