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Posts Tagged ‘WAN speak’

Highly-Distributed Organizations Should Consider
Managed SD-WAN To Accelerate Adoption

There is no company too small or large to take advantage of Software-Defined WAN (SD-WAN).  The only requirement is the obvious one that the business be multi-site in nature and is running a WAN that connects the locations together.  However, not all WANs are created equal.

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Earlier this week I wrote this post on the reasons why it is important for network managers to embrace automation. My argument revolved around the fact that network changes can be made much faster and far more efficiently through the use of automation vs. trying to manage the network a device at a time. This is particularly important for the WAN as the network endpoints are located all over the globe and errors can result in lengthy outages. SD-WANs change the networking paradigm and make automation a reality.

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When discussing the value of an SD-WAN, many points enter the discussion. Cost comes up as SD-WANs are certainly cheaper. Delivering a better and more predictable user experience is another reason to adopt an SD-WAN, since users will certainly experience better application performance and, in turn, become more productive. But a third element that’s not talked about as much is the automation that SD-WANs bring to networking.

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Merriam-Webster defines the word “conundrum” as an “intricate and difficult problem”. This word can most certainly be used in a business context to describe the challenges associated with providing Internet access to branch and remote office workers. Legacy networks provided Internet access to users through a hub-and-spoke architecture — Internet connectivity came into the hub and then was distributed out to the branches via the spokes. This was never an ideal method of delivering Internet services since the traffic effectively traversed the WAN twice (to the branch and back); most companies lived with it, though, as Internet access wasn’t considered mission critical in the mid-90s.

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It’s OK For Network Managers To Give Up Their Security Blanket

In the popular comic strip Peanuts, Linus was always seen carrying his blanket.  Clearly, the blanket gave the young lad a sense of comfort and security even in the face of his sister Lucy calling it a “stupid blanket” and constantly urging him to ditch it.  To Linus, knowing the blanket was there was far more important than any kind of common sense that might make him consider giving it up.

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