Wide-area Location

• Increasing scale more vital to distributed systems

• Existing wide-area location mechanisms:

  • SLP - WASRV extension
  • LDAP centroids
  • Berkeley SDS
  • Globe location system

• Unresolved issues:

  • True Scalability
  • Fault tolerance against:
    • Single/multiple node failures
    • Network partitions
    • Data-corruption and malicious users
    • Denial of Service attacks
  • Support for high updates / mobile data

• OceanStore Approach

  • Wide-area location using Plaxton trees

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