What is SD WAN?


SD-WAN is short for Software-Defined Wide Area Networking. It refers to the application of software-defined networking (SDN) technology with a special system applied to WAN connections, such as broadband internet, 4G, LTE or MPLS. It is a system that uses software to make wide area networks more intelligent and flexible. The main goal of SD-WAN technology is to provide a quality, secure and simple cloud-enabled WAN connection with as open and software-based technology as possible. This can be used to provide basic WAN connectivity, or it also provides you with top business services such as VPN, WAN optimization and applications distribution control (ADC).

Software-defined wide area network or SD-WAN has advantages over traditional hardware-based networking. It is much easier to manage compared to legacy WAN systems. It can be summarized as a flexible, cost-saving, fast and reliable system.

How Does SD-WAN System Work?

SD-WAN connectivity stands for next-generation network performance. SD-WAN has the possibility to use many WAN connections (XDSL, MPLS, Cellular and fiber) simultaneously. SD-WAN technology comes to the fore with its 4 main advantages which are shown below:

• Supports multiple connection types.

• It has dynamic working alternatives.

• It has a simple interface to manage the WAN.

• Supports VPNs.

What Problems Does SD-WAN Solve?

The biggest advantage of SD-WAN is cost saving. At the same time, it provides the user with the advantages of guaranteed bandwidth, predictable latency and privacy. SD-WAN provides simplicity for complex networks. With the development of technology, it has become very necessary for every business, workplace or agency to work through the cloud system. At the same time, interest in software as a service (SaaS) is growing rapidly. Traditional WAN is not considered suitable for today's business processes. The reason for this is that all traffic, including those going to the cloud, is moved from the branches to the center and this causes delays. SD-WAN does not compromise on security and data privacy and offers high performance especially for critical applications. So lower costs are highly advantageous thanks to higher bandwidth efficiency.

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