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What Is SD-WAN, How Does It Work, And Why Do You Need It?

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This post will show you all you need to know about SD-WAN, how it works and why you need it.

SD-WAN (software-defined wide area networking) is a technology that can be a game-changer in the networking industry. SD-WAN technology is a combination of software and hardware that allows companies to take advantage of a secure and reliable enterprise-grade network via a cloud provider. 

SD-WAN technology has three core components: controller, optimized link, and cloud gateway. Software Defined Wide Area Network is a relatively new technology changing how businesses deploy and use their Internet. 

If you’re unfamiliar with it, you might be wondering exactly what SD-WAN is, how it works, and why you need it. This article will inform you more about SD WAN solutions, how it works, and why you need it.

What Is SD-WAN?

What Is SD-WAN?

SD-WAN is the next evolution of software-defined networking (SDN), and the options to choose from are the best SD-WAN solutions available in the market

SD-WAN is software-defined wide area networking that uses the cloud to connect remote sites back to the main office. The main office is usually connected to the internet via a traditional enterprise router or firewall. 

The router is then connected to a branch router or firewall through a VPN connection. You might have heard of MPLS networks. MPLS is a very popular WAN service that can be used to connect remote offices to the main office. 

The main office is usually connected to the internet via a traditional enterprise router or firewall. The router is then connected to a branch router or firewall through a VPN connection.

Why Do You Need SD-WAN?

Why Do You Need SD-WAN

SD-WAN, or software-defined wide area network, is a relatively new technology that is quickly gaining popularity. A software-defined network is a networking architecture that uses software to manage, control, and optimize the network for the company using it. 

Software Defined Wide Area Network is a branch of software-defined networking that is used for connecting branch offices, remote workers, and mobile employees to the company’s main office. 

The term “software-defined” is used to describe a networking solution that takes advantage of virtualization, cloud computing, and software-based technologies to reduce the cost of goods. SD-WAN uses routers or virtual appliances to optimize the way data is transmitted, and bandwidth is used.

Simply put, SD-WAN (or software-defined wide area networking) is a new way of creating and managing networks. Traditionally, a network uses a single set of hardware to connect multiple devices together. SD-WAN, on the other hand, uses virtualization to create a multi-network infrastructure. 

SD-WAN or Software Defined Wide Area Network, is a fancy term for a new way to manage your Internet connection. It allows you to have different connections to the Internet at different times and through different connections. It works by using multiple Internet connections to accelerate applications, increase reliability and improve security.

This means you can use one piece of hardware to connect multiple devices using different network protocols.

For example, you can use Software Defined Wide Area Network to create a private network that connects your entire staff, a public network for customers to access your website, and a separate network for your VoIP service.

By using different protocols, you can create a network that’s as secure and reliable as you need it to be. 


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Christian Schmitz
Christian Schmitz
Christian started off working as a journalist for a local community newspaper in Nuremberg. Presently, he is monitoring the cybersecurity industry with his keen eyes.
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