What is SD-WAN: Software-Defined Wide Area Network?


SD-WAN, also known as a Software-Defined Wide Area Network, allows organizations to enable their users to take advantage of MPLS, LTE, and broadband internet service and securely connect users to applications. In short, SD-WAN is a virtual comprehensive area network (WAN) architecture.

An SD-WAN uses a central control function to securely and intelligently route traffic over the WAN and directly to trusted SaaS and IaaS providers. That improves application performance. In addition, it provides a high-quality user experience that increases business productivity and agility and reduces IT costs. So, what is SD-WAN, and what are the benefits of SD-WAN? We will share detailed information about the subject with you in this article.

What are the Benefits of SD-WAN?

If we consider the benefits of SD-WAN, we can say that it has many benefits. One of the most important advantages of SD-WAN is the expensive MPLS lines; It reduces your expenses by switching to infrastructures such as fiber and DSL.

SD-WAN provides network administrators with the ability to quickly manage related demands, and long-running jobs and tasks are quickly resolved thanks to SD-WAN.

It can also reduce costs on the management side. Thanks to SD-WAN, you can easily manage all your devices with central control.

It provides real-time traffic management. SD-WAN gateways constantly monitor the entire WAN link. When a problem occurs in any connection, the traffic is redirected to a different side. At the same time, these monitors and redirects help improve performance. SD-WAN software offers many privileges.

Many other benefits of SD-WAN are as follows:

⦁ It increases speed and stability between offices.

⦁ It increases the security level.

⦁ SD-WAN reduces your remote connection costs.

⦁ It allows you to manage the entire structure from a single center.

⦁ Increases work efficiency and user satisfaction.

Why Should We Prefer SD-WAN?

As technology evolves, businesses use the cloud and opt for software as a service (SaaS). Users traditionally connect back to the corporate data center to access business applications. But many of the same applications are now better served by accessing them in the cloud.

As a result, traditional WAN is no longer preferred. That is because moving all traffic from branches to headquarters, including those going to the cloud, causes latency and degrades application performance. SD-WAN provides WAN simplification, lower costs, bandwidth efficiency, and a seamless transition to the cloud with significant application performance, especially for critical applications, without compromising security and data privacy. Better application performance increases business productivity, customer satisfaction, and profits. It also increases safety and reduces business risk.

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