If There are many, which One Do I Go To?

  • Request Redirect Protocol

    • oofs () routines supply alternate AMS location
  • oofs routines responsible for update synchronization

    • Typically, read/only access provided on copies
    • Only one read/write copy conveniently supported
      • Client must declare intention to update prior to access
      • Lazy synchronization possible
  • Good mechanism for largely read/only databases

  • Load balancing provided by an AMS collective

    • Has one distinguished member recorded in the catalogue

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