Enterprise WAN and branch architectures really haven’t changed much in the last 20 years. Traffic patterns, though, have changed quite a bit with the advent of cloud apps like Office365 and Salesforce.com. Couple that with large amounts of branch traffic going to recreational sites. But today’s branch architectures are still designed for branch-to-data center or -HQ connectivity based on expensive MPLS connectivity or DIY over-the-top VPN technologies like DMVPN (which are complex to setup and manage). At the same time, broadband connectivity has significantly improved and its performance metrics are similar to MPLS. Compounding these WAN issues is the fact…
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