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 ActiveMQ KahaDB Replication: HA replication for the KahaDB store
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Goals:
  * Provide fast replication of the KahaDB Store
  * Support multiple replication slaves
  * Support dynamically adding new replication slaves to a running master
  * Support multiple master/slave selection strategies
  
Status:
  * ZooKeeper based master/slave selection strategies implemented
    TODO: May need to have master watch for ZooKeeper disconnect 
          to force the master to go offline.
  * A pure Broadcast/Multicast master/slave selection strategy
    implemented using ActiveBlaze.
    TODO: validate that split brain cannot occur.