In computing, a Pool Registrar (PR) is a component of the reliable server pooling (RSerPool) framework which manages a handlespace. PRs are also denoted as ENRP server or Name Server (NS).

The responsibilities of a PR are the following:

  • Register Pool Elements into a handlespace,
  • Deregister Pool Elements from a handlespace,
  • Monitor Pool Elements by keep-alive messages,
  • Provide handle resolution (i.e. server selection) to Pool Users,
  • Audit the consistency of a handlespace between multiple PRs,
  • Synchronize a handlespace with another PR.

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