However, you could still deploy a well-designed Point-to-Point T1, Bonded-T1 or T3 WAN connection -- which is more affordable -- and possibly use hardware-assisted NICs to offload the TCP and iSCSI traffic while still delivering an acceptable performance. If your T lines are Point-to-Pop instead, you may experience performance issues due to the nature of the connection.
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IP storage applications that use WANs are generally for mirroring, replication, snapshot or DFS requirements that are part of an organization's DR planning. In the past three years, purpose-built appliances that accelerate and optimize WAN connections have provided a vast, high-speed cache along with intelligent algorithm to shrink the packets and improve the performance.
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