A survey of anycast in IPv6 networks

  • Authors:
  • S. Weber;Liang Cheng

  • Affiliations:
  • Lehigh Univ., Bethlehem, PA, USA;-

  • Venue:
  • IEEE Communications Magazine
  • Year:
  • 2004

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Abstract

Anycast is a new "one-to-one-of-many" communication method in IPv6 networks. With this technology, the problem of finding the best server to respond to a request becomes a virtual noop. Hindered by unresolved issues and the slow deployment of IPv6, network-layer anycast is still not a reality. However, an increase in interest and research surrounding anycast recently warrants a look at the state and direction of the ideas in this area. This article describes some of the major problems with network-layer anycast and their possible solutions, as well as some optimizations and applications that have been developed recently.