Efficient packet replication and switching of multicast traffic by shared-crosspoint packet switches

Ziqian Dong, Rojas Cessa Roberto

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

Abstract

Multicast traffic is expected to increase in packet-oriented networks by the inclusion of broadcast and multimediaon-demand services. In addition to the high performance for unicast services, combined input-crosspoint buffered (CICB) packet switches have intrinsic properties that are favorable for switching and replication of multicast packets. In this paper we study the performance of CICB packet switches, including those with dedicated and shared crosspoint buffers (SMCB), both under multicast traffic. Furthermore, we propose arbitration schemes for shared-buffer packet switches to handle multicast traffic and study their performance on switching-replication efficiency. We show that the SMCB switch efficiently handles multicast traffic with uniformdistribution of fan outs, and that its achievable throughput is comparable to that of a CICB switch. This property, combined with the efficient memory utilization, makes the SMCB switch an attractive solution for unicast and multicast networks.

Original languageEnglish (US)
Title of host publicationProceedings of the IASTED International Conference on Communication Systems, Networks, and Applications, CSNA 2007
Pages48-53
Number of pages6
StatePublished - Dec 1 2007
EventInternational Association of Science and Technology for Development, IASTED - Beijing, China
Duration: Oct 8 2007Oct 10 2007

Publication series

NameProceedings of the IASTED International Conference on Communication Systems, Networks, and Applications, CSNA 2007

Other

OtherInternational Association of Science and Technology for Development, IASTED
CountryChina
CityBeijing
Period10/8/0710/10/07

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Communication

Keywords

  • Buffered crossbar, shared memory
  • Buffered crosspoint
  • Multicast
  • Packet switch.

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