White Paper: Best Practices For Deploying WAN Optimization With Data Replication

Many storage devices perform basic payload compression (e.g. LZ). This does not prevent downstream WAN optimization devices from working, but it can reduce the overall effectiveness of these devices by limiting visibility into "raw" data. Because this functionality is not unique to the storage device – i.e. most WAN optimization devices can perform the same or better compression then a storage array – it is typically recommended that this functionality be turned off in the array. This typically leads to better overall net performance from a compression standpoint. Submitted by Strategic Storage Solutions