Some Basic Information about Software Defined Wide Area Networking or SD WAN
SD WAN or software defined wide area network is defined as a specific application of SDN or software defined networking technology applied to wide area connections or WAN, and these are used to connect enterprise networks like data centers and branch offices, over wide geographic distances.
In order to connect branch offices to a central corporate network, or to connect data centers that are separated by distance, a WAN could be used to serve the purpose. These WAN connections were often used in the past with the aid of a technology requiring a special proprietary hardware. With the use of a software approach, the SD WAN can seek to move more of the network control.
Businesses are requiring a more flexible, open and cloud based WAN technologies to take the place of proprietary WAN technology that is more expensive, or fixed circuits.
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Today, the new SD WAN offerings can serve to improve and secure internet connectivity resulting to be more competitive with the use of these expensive WAN technologies such as T-1 or MPLS. In several cases, internet broadband connections are used by SD WAN technology in place of more expensive solutions. To make it more secure, virtualization technology and virtual private networking technologies are used to broadband internet connections.
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With the use of cloud, SD WAN has the advantage of removing potential expensive routing hardware that provides connectivity and services.
It is therefore the main goal of SD WAN technology to give a business class, secure and simple cloud based WAN connection, together with a more open and technology that is software based.
It is expected that this … Read More ...