WAN Virtualization vs. Optimization

What's the difference between WAN Virtualization and WAN Optimization?

WAN virtualization aggregates multiple inexpensive, non-business caliber WAN connections. It includes technologies to address packet loss, jitter and latency to deliver a reliable, business quality connection at a low cost.

WAN optimization includes a variety of techniques to reduce the amount of unnecessary data across the existing WAN. The resulting data transfer efficiencies means that a lower cost WAN service can deliver the required performance.

Techniques can include deduplication, latency optimization, compression, protocol spoofing, error correction, and methods to limit one application or one user to over-consume bandwidth.

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