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Forum Discussion

N_67263's avatar
N_67263
Icon for Nimbostratus rankNimbostratus
Sep 12, 2013

difference between persistence on VS and round robin on the pool.

Folks,   When I configure persistence profile on the Virtual Server level I am using source address as 1 hr, which means that for a single source address the Virtual server will send the traffic t...
Hamish's avatar
Hamish
Icon for Cirrocumulus rankCirrocumulus
Sep 12, 2013

Think of them as actions at two different times.

 

Round-Robin load balancing method describes how the poolmember will be chosen for a connecting coming through to the pool where no existing session exists. i.e. The poolmembers will be chosen on a strict RR basis (No account being made for number of concurrent connections, response time etc).

 

The persistence describes an over-ride for that load balancing method (round robin) that tracks the source IP address and treats all connections from a given IP address as a single 'session' and ensures that subsequent connections (Subject to a timeout) will be sent to the same poolmember.

 

RR does not guarantee that your poolmembers will receive the same load or the same number of connections. They will however receive the same number of sessions...

 

H