Scalable 3-stage ATM switch architecture using optical WDM grouped links based on dynamic bandwidth sharing

Kohei Nakai, Eiji Oki, Naoaki Yamanaka

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This paper proposes a 3-stage ATM switch architecture that uses optical WDM (wavelength division multiplexing) grouped links and dynamic bandwidth sharing. The proposed architecture has two features. The first is the use of WDM technology which makes the number of cables used in the system proportional to system size. The second is the use of dynamic bandwidth sharing among WDM grouped links. This prevents the statistical multiplexing gain offered by WDM from falling even if switching system becomes large. A performance evaluation confirms the scaleability and cost-effectiveness of the proposed architecture. It is scaleable in terms of the number of cables and admissible load. We show how the appropriate wavelength signal speed can be determined to implement the switch in a cost-effective manner. Therefore, the proposed architecture will suit future high-speed multimedia ATM networks.

Original languageEnglish
Pages (from-to)213-218
Number of pages6
JournalIEICE Transactions on Electronics
VolumeE82-C
Issue number2
Publication statusPublished - 1999 Jan 1
Externally publishedYes

Keywords

  • ATM
  • Bandwidth sharing
  • Scaleability
  • Switch
  • VDM

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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