04 mins read

Advantages Of Using SDN & SDWAN


Thiyagu Ganesan

Posted: Dec 19, 2023


The network is the backbone of any business. It is responsible for connecting people and devices, and it enables the flow of information and resources. A well-designed network can be a powerful tool that helps businesses run more efficiently and effectively.

However, traditional networking can be complex and expensive, which can make it difficult for businesses to get the most out of their networks. Software-defined networking (SDN) and software-defined wide-area networking (SDWAN) are emerging technologies that offer a more flexible and cost-effective alternative to traditional networking


In this article, we will discuss the advantages of using SDN & SDWAN in your business. We will cover the following topics:

What is SDN?

What is SDWAN?

What are the benefits of using SDN & SDWAN?

How does SDN & SDWAN work?

What are SDN & SDWAN?

SDN (Software-Defined Networking) and SDWAN (Software-Defined WAN) are two important technologies that are being used to change the way networks are designed and operated.

SDN is a network architecture where the control plane is decoupled from the data plane and is instead controlled by a centralized controller. This allows for greater flexibility and programmability in the network.


SDWAN is a type of SDN that specifically optimizes the performance of WAN connections. It does this by allowing different types of traffic to be routed over different types of links, depending on their needs. This can help to improve both the speed and reliability of WAN connections.

Both SDN and SDWAN have several advantages over traditional networking approaches. They can help to improve network performance, provide greater flexibility and control, and reduce operational costs.

How do SDN & SDWAN work?

Traditional network architectures are inflexible and complex, making it difficult to adapt to changing business needs. Software-defined networking (SDN) and software-defined wide area networking (SDWAN) offer a more flexible and cost-effective alternative.

In a traditional network, each device is individually configured and controlled. This can make it difficult to make changes or add new capabilities. SDN decouples the control plane from the data plane, allowing the network to be more easily managed and configured.

SDWAN extends the benefits of SDN to wide area networks (WANs). An SDWAN solution typically includes a physical or virtual appliance that sits at the edge of the network and centrally manages traffic across multiple links. This can provide significant advantages in terms of performance, reliability, and cost.


The basic idea behind SDN is to decouple the control plane from the data forwarding plane and to make it possible to manage network devices centrally using the software. This separation of concerns makes it possible to manage the network more flexibly and efficiently, and also makes it easier to introduce new features and capabilities.

SDWAN is an extension of this concept, applied specifically to wide area networks (WANs). The main advantage of SDWAN is that it makes it possible to use multiple different types of WAN links (e.g. MPLS, Ethernet, broadband) simultaneously, and to dynamically route traffic across them in an intelligent way. This can lead to significant cost savings, as well as improved performance and resilience.

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What are the benefits of using SDN & SDWAN?

There are many benefits of using SDN & SDWAN including increased flexibility, scalability, and agility; reduced costs; and improved security.

Using SDN & SDWAN can help you take advantage of the latest networking technologies more quickly and easily, without having to make major changes to your existing infrastructure. This can give you a significant competitive advantage.

SDN & SDWAN can also help you reduce costs by simplifying your network infrastructure and making it easier to manage. In addition, by centralizing network management, you can reduce the need for specialized staff.

Finally, SDN & SDWAN improve security by providing greater visibility into your network traffic and activity, and by making it easier to implement security policies across your entire network.


There are many benefits to using SDN & SDWAN, including

Increased agility and flexibility: With SDN & SDWAN, you can quickly and easily add new applications and services, or change existing ones, without having to make changes to the underlying network infrastructure. This results in increased agility and flexibility for your business.

Simplified network management: With SDN & SDWAN, you can centrally manage all aspects of your network from a single pane of glass. This simplifies network management and reduces operational costs.

Reduced complexity: SDN & SDWAN decouple the control plane from the data plane, which reduces complexity and makes the network easier to manage.

Improved security: With SDN & SDWAN, you can implement granular security policies that are enforced by the network itself. This helps to improve security and reduce the risk of data breaches.

Better performance: By offloading certain tasks from the CPU to dedicated hardware, SDN & SDWAN can improve performance and reduce latency.

How to get started with SDN & SDWAN?

If you're looking to get started with SDN & SDWAN, there are a few things you'll need to do first. First, you'll need to assess your current network infrastructure and determine if it’s capable of supporting SDN & SDWAN. If not, you'll need to make some upgrades. Next, you'll need to select the right SDN & SDWAN solution for your needs. Many different vendors are offering various solutions, so it's important to do your research and select the one that's right for you. Finally, you'll need to implement the solution and start reaping the benefits of using SDN & SDWAN.

If you're looking to get started with SDN and SDWAN, there are a few things you'll need to do. First, you'll need to choose the right platform for your needs. There are a variety of options out there, so be sure to do your research before making a decision.

Once you've chosen a platform, you'll need to install it and configure it properly. This can be a bit tricky, so be sure to follow the instructions carefully. If you run into any problems, there are plenty of resources available online that can help you troubleshoot.

Once your platform is up and running, you'll need to start adding devices and applications. This process will vary depending on your platform, so be sure to consult the documentation.

Finally, once everything is up and running, you'll need to monitor your network closely. This includes keeping an eye on traffic patterns and making sure everything is working as it should.

By following these steps, you'll be well on your way to getting the most out of SDN and SDWAN.

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The advantages of using SDN and SDWAN technologies are many and varied. From improved security to increased flexibility, these technologies offer several benefits for businesses of all sizes. If you’re looking for ways to improve your network performance, consider implementing SDN or SDWAN solutions. You may be surprised at just how much they can help.

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