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  • Thanks, your answer let me to think more about my question. I am looking for a implementation where nodes are not aware of each other and can only check remote cache for validity. Commented Feb 9, 2012 at 14:45
  • This seems more a centralized repository (with cache), look for the Repository (or Blackboard) architectural pattern, e.g. in the book by Buschmann et al., Pattern-Oriented Software Architecture Volume 1: A System of Patterns. Commented Feb 9, 2012 at 15:05
  • Thanks for your answer. I eventually implemented a background thread that would sync local cache with remote cache periodically and it works great. Commented Feb 19, 2012 at 4:15