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Answer Posted / vamsee
heart beat is a signal,this signals are sent by objects.
think that there are 5 servers.(the servers with in the
cluster to communicate each other they use multicast ip)
if u add one objet to any oneof these server that object
will send a heart beat signal to multicast ip from there
remainig servers will receive that signals and update thire
jndi tree.from this only each server will known the helth
of each object.if the object is stop sending heart beats
the servers treat that that object is failed
| Is This Answer Correct ? | 34 Yes | 5 No |
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