Performance Evaluation of PIM-SM Recovery

  • Authors:
  • Tarik Cicic;Stein Gjessing;Øivind Kure

  • Affiliations:
  • -;-;-

  • Venue:
  • ICN '01 Proceedings of the First International Conference on Networking-Part 1
  • Year:
  • 2001

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Abstract

A PIM-SM-built multicast tree must be restructured/recovered when the underlyingunicast routingtables change. In this article we describe the PIM-SM recovery mechanisms and evaluate the recovery performance, showingits dependence on a range of network and session parameters. Our results show that a significant recovery performance improvement is possible if the multicast recovery is immediately triggered when the unicast routingstate changes. Furthermore, our results show that a substantial packet loss can be caused by non-reductive, "benign" events in the network, such as an addition of a new link.