Membership-Insensitive Totally Ordered Multicast: Properties and Performance

  • Authors:
  • Jerzy Konorski

  • Affiliations:
  • -

  • Venue:
  • NETWORKING '00 Proceedings of the IFIP-TC6 / European Commission International Conference on Broadband Communications, High Performance Networking, and Performance of Communication Networks
  • Year:
  • 2000

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Abstract

Membership-insensitive group transport protocols are particularly desirable for large groups of fast-varying membership where the distributed application being served insists on collective output and survivability rather than producing a consistent record of successive group views. An overview of such a protocol, able to maintain agreed delivery order of multicast messages across the group except for scenarios that can be made arbitrarily improbable, is presented along with a proposed specification of the so-called '1C network service with ContiguityDetector' it is built upon. Key properties of the protocol are expressed through some graph-theoretic observations. LAN implementation experience and performance measurements are described to conclude that the group throughput remains high under constant group membership and, there being virtually no group reconfiguration overhead, varies gracefully in step with the number of active group members.