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NLB clustering using single network.

Discussion in 'Cluster Computing' started by raj07, Nov 16, 2013.

  1. #1
    There are conflicting information about NLB clustering using single network.
    • Heartbeat messages are transmitted over NLB Enabled NIC always whether you're operating cluster in Unicast or Multicast mode.
      source: http://support.microsoft.com/kb/556067

      In other places it says host to host communication cannot take place in Unicast single adapter mode.

      1) Is the host to host communication same as the heartbeat messages which are send by every host every second?

      If it cannot takes place, then how is the cluster converging and thus cluster working?
      OR is it that host to host communication is something other than heartbeat ?

      If host to host communication is different than heartbeats, then what do hosts communicate between each other?

      Any help is appreciated.

    raj07, Nov 16, 2013 IP