10 ways to improve WAN performance


Your business can’t afford to have a slow or unreliable WAN. But what can you do if your WAN is struggling? There are many things you can do to improve your WAN performance and make sure your business stays productive. In this blog post, we will discuss 10 ways to boost your WAN speed and reliability. Keep reading to learn more!

1. Identify the source of WAN problems

When trying to identify the source of WAN problems, there are a few key factors to keep in mind.

  • First, check the physical infrastructure for any signs of damage or wear and tear.
  • Next, examine the configuration of the network and look for any errors or inconsistencies.
  • Finally, run a series of diagnostic tests to check for problems with the equipment or software.

By following these steps, you should be able to pinpoint the source of the problem and correct it accordingly.

2. Check your network hardware

As businesses increasingly rely on networked computers, it is important to make sure that all hardware is operating properly.

One way to do this is to use a network monitoring tool. This tool can help identify any areas of the network that are experiencing high traffic levels or errors. By using this information, you can take steps to improve network performance.

Additionally, regular check-ups of your network hardware can help to identify any potential problems before they cause major disruptions. As a result, taking some time to monitor your network can save you a lot of headaches in the long run.

3. Verify your network settings

Before you begin the process of verifying your network settings, it is important to understand the basics of how your computer connects to the internet. When you open a web browser and enter a URL, your computer sends a request to a DNS server. This server then looks up the IP address associated with that domain and directs your computer to the correct website. In order for this process to work, your computer must have the correct DNS server settings.

You can verify your DNS settings by opening the Network Preferences panel and selecting the “DNS” tab. Here, you will see a list of DNS servers that your computer is currently using. If you see any incorrect or outdated entries, simply select them and click the “Remove” button.

Once you have removed all incorrect entries, click the “+” button and add the correct DNS servers. After you have added the correct entries, click “Apply” to save your changes. Now, try opening a web browser and entering a URL. If everything is configured correctly, you should be able to access the desired website without any problems.

4. Optimize your traffic flow

Any business with multiple locations knows that a wide area network (WAN) is essential for efficient communication and collaboration. But as WANs have become more complex, managing traffic flow has become a challenge. By optimizing your WAN, you can ensure that your critical applications always have the bandwidth they need, while reducing overall WAN costs. Here are three tips for optimizing WAN traffic flow:

1. Classify and prioritize traffic. The first step is to understand which applications are most critical to your business and give them priority on the WAN. Non-essential traffic can be routed over lower-cost links or during off-peak hours.

2. Use quality of service (QoS) tagging. QoS tagging allows you to prioritize packets from specific applications or users, ensuring that they get the bandwidth they need.

3. Monitor WAN utilization. Continuous monitoring of WAN utilization will help you identify choke points and potential bottlenecks. By addressing these issues, you can further improve WAN performance.

By following these tips, you can optimize WAN traffic flow and ensure that your critical applications always have the bandwidth they need. Alternatively, get the help of an internet technician.

5. Resolve congestion issues

WAN stands for “wide area network.” WANs are used to connect computers over great distances. WANs can be used to connect two computers in the same room or two computers on opposite sides of the world. WANs typically use slower technologies than LANs. WANs are usually found in business and government organizations. They are also found in some home networks.

WANs can be costly to set up and maintain. WANs can be private or public. Private WANs are usually owned by a single organization, such as a large corporation. Public WANs are typically owned by a service provider, such as an Internet service provider (ISP). WANs can be point-to-point or multipoint. Point-to-point WANs connect two sites. Multipoint WANs connect three or more sites. WAN congestion can cause delays in data transmission.

Congestion can be caused by heavy traffic or by using outdated or malfunctioning equipment. To resolve congestion issues, businesses and organizations should upgrade their WAN equipment and increase their bandwidth capacity. By doing so, they can ensure that their data is transmitted quickly and efficiently.

6. Address latency problems

To address latency problems, it is important to understand the different types of latency. WAN latency is caused by the time it takes for data to travel from one point to another, such as from a server to a client.

The speed of light is the limit for WAN latency. Internet latency is caused by the time it takes for data to travel from one point to another, such as from a server to a client. The speed of light is the limit for WAN latency. Browser latency is caused by the time it takes for the browser to process the information and display it on the screen.

The speed of light is the limit for WAN latency. Finally, application latency is caused by the time it takes for the application to process the information and display it on the screen. Application latency can be improved by optimizing code and using faster hardware.

7. Deal with packet loss issues

Packet loss is a problem that can impact WAN performance. It occurs when packets of data fail to reach their destination. This can be due to a variety of factors, including router failures, congestion, and line noise. packet loss can have a significant impact on WAN performance, causing delays and interruptions. In order to deal with packet loss issues, it is important to identify the cause of the problem. Once the cause has been identified, steps can be taken to mitigate the issue. For example, if packet loss is caused by router failure, redundant routers can be deployed to improve reliability. If packet loss is caused by congestion, QoS can be used to prioritize traffic and ensure that critical data is able to flow smoothly. By taking steps to address packet loss, WAN performance can be greatly improved.

8. Use QoS to manage bandwidth hogs

Quality of Service (QoS) is a feature on routers that gives the administrator the ability to prioritize certain types of traffic. This is useful on WAN links where bandwidth is limited and you want to make sure that critical applications have enough bandwidth to function properly. For example, you could give priority to VoIP traffic so that calls are clear and lag-free.

QoS can also be used to manage “bandwidth hogs” – users or devices that use a lot of bandwidth and can slow down the network for everyone else. By giving them lower priority, you can ensure that they don’t use up all the available bandwidth and impact other users. QoS is a powerful tool that can help to optimize WAN performance, and it’s something every administrator should be familiar with.

9. Use WAN acceleration techniques

WAN acceleration is a process of using various techniques to improve the performance of a wide area network.

The main goal of WAN acceleration is to reduce the amount of time it takes for data to travel between two points on a network. There are several different ways to achieve this, but some common methods include data compression, deduplication, and protocol optimization.

By reducing the size of data packets and eliminating duplicate data, WAN acceleration can significantly improve network performance. In addition, by optimizing protocols and making other changes to the way data is transferred, WAN acceleration can further improve speed and efficiency. When used properly, WAN acceleration can be a powerful tool for improving the performance of a wide area network.

10. Consider a software-defined WAN solution

A software-defined wide area network (SD-WAN) is a type of WAN connectivity that uses software to define the route that data takes, rather than using hardware devices. This approach can provide many benefits, including increased flexibility, reduced complexity, and lower costs. When evaluating whether an SD-WAN solution is right for your organization, there are a few key factors to consider.

  • First, you need to assess your network performance requirements.
  • Second, you need to evaluate the cost of implementing an SD-WAN solution, as well as the ongoing costs of running it.
  • Third, you need to assess whether your existing network infrastructure is compatible with an SD-WAN solution.

If you take the time to carefully consider these factors, you’ll be in a good position to determine whether an SD-WAN solution is right for your organization.

Related: WAN vs LAN Port In Your Router: Explained

I am a computer engineer holding a bachelor's degree in Computer Science, complemented by a Master's in Business Administration from University of Strathclyde, Scotland. I currently work as a Senior IT Consultant in Melbourne, Australia. With over 15 years of...