FlexCache is typically used in WAN deployments (which decrease average access time for remote clients) and LAN deployments (which reduce the workload of an overloaded storage system).
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WAN deployment
In a WAN deployment, the FlexCache volume is remote from the data center. As clients request data, the FlexCache volume caches popular data, giving the end user faster access to information.
LAN deployment
In a LAN deployment, or accelerator mode, the FlexCache volume is local to the administrative data center, and is used to offload work from busy file servers and free system resources.
