MCS: Buffered Clos-network switch with in-sequence packet forwarding

Ziqian Dong, Roberto Rojas-Cessa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Scopus citations

Abstract

Multi-stage buffered Clos-network switches suffer from out-of-sequence packet forwarding. This paper proposes a three-stage memory memory memory (MMM) Clos-network switch, called the MCS switch, which provides in-sequence packet forwarding while maintaining high throughput. The proposed MCS switch adopts the oldest-cell-first selection for arbitrations at the first and second stages and an iterative matching scheme at the third-stage of the switch to provide in-sequence packet service. It keeps the properties of a buffered Clos-network switch, such as small configuration time and relaxed time synchronization among different switch modules and stages. The performance of the proposed switch is analyzed through computer simulation. Simulation results show that the performance of the proposed switch under both uniform and nonuniform traffic is comparable to that of a switch without in-sequence packet service.

Original languageEnglish (US)
Title of host publication35th IEEE Sarnoff Symposium, SARNOFF 2012 - Conference Proceedings
DOIs
StatePublished - 2012
Event35th IEEE Sarnoff Symposium, SARNOFF 2012 - Newark, NJ, United States
Duration: May 21 2012May 22 2012

Publication series

Name35th IEEE Sarnoff Symposium, SARNOFF 2012 - Conference Proceedings

Other

Other35th IEEE Sarnoff Symposium, SARNOFF 2012
Country/TerritoryUnited States
CityNewark, NJ
Period5/21/125/22/12

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Keywords

  • Clos-network
  • buffered switch
  • in-sequence
  • memory-memory-memory switch
  • packet switches

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