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August 2015 Vol 6 / No. 6

The future of WAN optimization: SD-WAN

Network managers today are less likely to be sweating over how traffic from traditional applications like SharePoint performs over the wide area network (WAN) compared to cloud apps that users access via the Internet.

This shift, along with enterprises' desire to eliminate or reduce the number of expensive MPLS links they use, is prompting WAN optimization vendors to pivot their strategies. Their new focus is software-defined WAN (SD-WAN), a concept that attempts to combine the benefits of WAN optimization and software-defined networking by virtualizing the WAN. The goal for companies using SD-WAN is to enable network managers to aggregate multiple Internet connections so that they function as a single virtual overlay that provides a level of performance and reliability on par with private WAN connectivity.

In this issue of Network Evolution, explore the promise of SD-WAN, why enterprises are interested in it and what it means for the future of WAN optimization.

Also in this issue, learn more about why collaboration and unified communications (UC) are being increasingly pushed out of desktop clients and into Web browsers. We dig into the pros and cons, and hear from enterprise IT pros who share their real-world experiences with browser-based UC.

Finally, cut through the hype and horror stories about security threats in the Internet of Things (IoT). We catch up with several enterprises that have deployed IoT and find out how they're using their networks as the first line of defense.

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