GROUP MEMBERSHIP IN THE EPIDEMIC STYLE

  • Authors:
  • Richard A. Golding;Kim Taylor

  • Affiliations:
  • -;-

  • Venue:
  • GROUP MEMBERSHIP IN THE EPIDEMIC STYLE
  • Year:
  • 1992

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Abstract

Existing group membership mechanisms provide consistent views of membership changes. However, they require heavyweight synchronous multicast protocols. We present a new lightweight group membership mechanism that allows temporary inconsistencies in membership views. This mechanism uses *epidemic communication* techniques to ensure that all group members eventually converge to a consistent view of membership. Members can join or leave groups, and we show that the mechanism is resilient to k = n - 2 members failing by crashing, where n is the number of members in the group. (supersedes UCSC-CRL-91-32)