Exploiting Routing Redundancy via Structured Peer-to-Peer Overlays

  • Authors:
  • Ben Y. Zhao;Ling Huang;Jeremy Stribling;Anthony D. Joseph;John D. Kubiatowicz

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • ICNP '03 Proceedings of the 11th IEEE International Conference on Network Protocols
  • Year:
  • 2003

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Abstract

Structured peer-to-peer overlays provide a natural infrastructure for resilient routing via efficient fault detection and precomputation of backup paths. These overlays can respond to faults in a few hundred milliseconds by rapidly shifting between alternate routes. In this paper, we present two adaptive mechanisms for structured overlays and illustrate their operation in the context of Tapestry, a fault-resilient overlay from Berkeley. We also describe a transparent, protocol-independent traffic redirection mechanism that tunnels legacy application traffic through overlays. Our measurements of a Tapestry prototype show it to be a highly responsive routing service, effective at circumventing a range of failures while incurring reasonable costin maintenance bandwidth and additional routing latency.