D2B: a de Bruijn based content-addressable network

  • Authors:
  • Pierre Fraigniaud;Philippe Gauron

  • Affiliations:
  • CNRS, Laboratoire de Recherche en Informatique (LRI), Université Paris-Sud, Orsay, France;CNRS, Laboratoire de Recherche en Informatique (LRI), Université Paris-Sud, Orsay, France

  • Venue:
  • Theoretical Computer Science - Complex networks
  • Year:
  • 2006

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Abstract

We show that the de Bruijn graph is appropriate for maintaining dynamic connections, e.g., between the members of a P2P application who join and leave the system at their convenience. We describe the content-addressable network D2B, based on an overlay network preserving de Bruijn connections dynamically, and on a distributed hash table (DHT) supporting efficient publish and search procedures. The overlay network has constant expected degree, and any publish or search operation in the DHT takes a logarithmic expected number of steps.