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Configuring Port and Client Affinity
* '''Disabled''' - No filtering is performed.
Many client/server communications take place within a session. As such , the server application will typically maintain some form of session sate state during the client server transaction. Whilst this is not a problem in the case of a ''Single Host'' configuration described above, clearly problems may arise if a client is diverted to a different cluster node partway through a session since the new server will not have access to the session state. Windows Server 2008 Network Load Balancing addresses this issue by providing a number of ''client affinity'' configuration options. Client affinity involves the tracking of both destination port and source IP address information to optionally ensure that all traffic to a specific port from a client is directed to the same server in the cluster. The available Client affinity settings are as follows:
* '''Single''' - Requests from a single source IP address are directed to the same cluster node.

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