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Hi Thanks for the reply..
sorry bit late but, I just saw the exalogic machine assigned to us only have private and public ip's configured by exalogic admin's...
What are floating IP's? I just read a doc, but didn't understood what exactly we need to put as listen address for managed server's? and on what ip can we hit request's?
Can u please explain in short...
Thanks a lot...
Load balancing websites can be acheived by putting 2 entries in your DNS, for instance:
then DNS will do a round Robin between them, but should either host fail then your will see intermittant loss when surfing, as the DNS will still point to either IP in turn.
If you want failover, for instance:
host1.example.com 192.168.1.1 (master)
host2.example.com 192.168.1.2 (slave)
and the floating ip as you call it
Then you would need scripts that run as often as you can on slave, to see if master is still there (sometimes referred to as a heartbeat).
if the Master drops, then it needs run a script to bring the floating ip up on the slave to resume service.
A google search for heartbeat, failover should yield some howtos on the subject.
Hope that helps.
The above explanation is derived from here: http://www.webhostingtalk.com/showthread.php?t=671377