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A Software-Defined Wide Area Network (SD-WAN) is a wide area network that uses software-defined networking technology, such as communicating over the Internet using overlay tunnels which are encrypted when destined for internal organization locations.
An SD-WAN is a WAN managed using the principles of software-defined networking. [51] The main driver of SD-WAN is to lower WAN costs using more affordable and commercially available leased lines, as an alternative or partial replacement of more expensive MPLS lines. Control and management is administered separately from the hardware with ...
SD-WAN vendors may offer some security functions with their SD-WAN virtual or physical appliances, which are typically deployed at the data center or branch office. Typically SASE incorporates SD-WAN as part of a cloud service that also delivers mobile access and a full security stack delivered from a local PoP.
The textbook definition of a WAN is a computer network spanning regions, countries, or even the world. [3] [4] However, in terms of the application of communication protocols and concepts, it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different networks.
WAN optimization is a collection of techniques for improving data transfer across wide area networks (WANs). In 2008, the WAN optimization market was estimated to be $1 billion, [1] and was to grow to $4.4 billion by 2014 according to Gartner, [2] a technology research firm. In 2015 Gartner estimated the WAN optimization market to be a $1.1 ...
The company was founded in 2004 by David Hughes. Silver Peak shipped its first product, the NX-series hardware appliance, in September 2005, and their first SD-WAN solution, EdgeConnect, in June 2015. On July 13, 2020, Hewlett Packard Enterprise announced its intent to acquire Silver Peak for $925 Million.