Posts by Michael Wood


SD-WAN for the 10,000+ Site Enterprise

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By Michael Wood
Vice President of Marketing, VeloCloud
January 4, 2017

What works for a 10-site, or 100-site network is often not feasible in a really large network. Even small, straightforward activities—say, going out to a remote site to install new CPE, configuring it to become part of the network architecture, routing, policies and security measures—become arduous and enormously costly when multiplied by thousands, or tens-of-thousands. This multiplier effect, in combination with a number of trends—centering around traffic and applications shifting to the cloud; physical things like CPE and firewalls being virtualized—complicate large network renewal decisions to evolve legacy WAN and gain the flexibility and agility needs of today’s businesses. For large and…




SDN, SD-WAN, NFV, VNF: What Is All This?

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By Michael Wood
Vice President of Marketing, VeloCloud
October 31, 2016

Inscrutable alphabet soup. Even the fully expanded terms are only slightly more digestible. But they’re not truly all that confusing: the underlying principles are elegant and illuminating. Software Defined Networking (SDN) is an architecture—first defined circa 1995—that physically separates the network control plane (decisions about traffic flows) from the forwarding plane (moving chunks of data between points A and B). Practically this simply means controlling network hardware devices (think routers, switches, Wi-Fi access points) by using software that is physically hosted elsewhere (think an orchestrator or controller platform). A SDN architecture provides numerous advantages: it abstracts (and simplifies) the entire…




Architecture Matters: SD-WAN Security

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By Michael Wood
Vice President of Marketing, VeloCloud
August 22, 2016

SD-WAN Security Architectures: The Keys to the Cloud Speed is the currency of modern business, and the rate of business change accelerates. Over the span of a hundred and fifty years, Darwin speaks to networking professionals: to survive is to adapt. Cloud-based resources—applications or storage—are prerequisites for today’s adaptability and agility. Okay, so I put a lot of my stuff in the cloud; I migrate to a cloud-delivered SD-WAN and everything goes faster, smoother, easier, I can finally keep pace with the world, I can face the future. But wait, is my stuff secure? Where are the locks? Who holds…




Architecture Matters – Cloud Migration

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By Michael Wood
Vice President of Marketing, VeloCloud
August 15, 2016

Cloud migration… sounds nebulous? It doesn’t have to! Mobile or fixed device in hand, you don’t care where the application is as long as it’s there when you need it, on the device you’re using, and performs acceptably. The cloud is increasingly where the application is. And the cloud is—simultaneously—everywhere and nowhere. On the other hand, if you’re the IT professional, the cloud is a very definitive and unambiguous place, more often than not characterized by not being the place where your rigid traditional WAN is optimized to route traffic. Traffic running in a straight line from your branch office…




Architecture Matters – Which SD-WAN is right for you?

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By Michael Wood
Vice President of Marketing, VeloCloud
August 1, 2016

SD-WAN Architecture… Oh, You Mean There’s More Than One? By now, everyone gets the Traditional WAN, Hybrid WAN, SD-WAN thing. There’s ample talk in the industry about WAN trends. But are all SD-WANs created equal? Not so fast! An evaluation of the landscape could come in really handy. WAN architecture continues to morph and evolve influenced by new technologies, as well as the necessary practicality of incremental migration. Think of this as along two axes: from an on-premise to a cloud-based architecture in one dimension; and in the other dimension from a point product to a comprehensive SD-WAN offering. Industry analyst…





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