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Network Segmentation vs Flat Networks: Pros and Cons

September 30, 2021

Network Segmentation vs Flat Networks: Pros and Cons

When it comes to network infrastructure, there are two main ways to set up your network: network segmentation and flat networks. Both of these are capable of supporting businesses, but they have some significant differences.

In this blog post, we’ll compare these two approaches and help you decide which one is right for your business.

Network Segmentation

Network segmentation is the process of dividing a larger network into several smaller networks, each with its own security controls. Essentially, this approach involves creating several small networks within a larger network, with each network being responsible for specific types of traffic.

Advantages

  • Increased security: Since each network has its own security controls, network segmentation significantly reduces the risk of unauthorized network access. If one network is compromised, the rest of the network remains secure.

  • Better network performance: Having multiple smaller networks leads to more efficient traffic flow, reducing network congestion and improving overall network performance.

  • Easier network management: With network segmentation, each network can be managed separately, making it easier to maintain network performance and optimize each individual network for its specific tasks.

Disadvantages

  • More complex network architecture: Network segmentation requires more complex network infrastructure and greater network expertise to set up and maintain.

  • Higher costs: Since network segmentation requires additional hardware and software, it can significantly increase network costs.

Flat Networks

Flat networks, on the other hand, have just one large network that handles all traffic without any internal segmentation. This approach is typically used in smaller businesses or those with less complex network infrastructures.

Advantages

  • Simplicity: Flat networks are straightforward to set up and manage, making them an excellent option for small businesses with limited network expertise.

  • Lower costs: Since there is no need for additional hardware or software, flat networks are less expensive to set up.

Disadvantages

  • Lower security: Without internal network segmentation, flat networks have a higher risk of unauthorized network access. If one part of the network is compromised, the entire network is at risk.

  • Poor network performance: As the network becomes more crowded, flat networks may experience performance issues, leading to slower network speeds and reduced productivity.

Which One Is Right for Your Business?

The decision between network segmentation and flat networks ultimately depends on your business needs.

If you have a complex network with multiple types of traffic and a large number of users, network segmentation is likely the best option for you. While it requires more management and has higher costs, it offers significant advantages in terms of security and network performance.

On the other hand, if you have a smaller network with limited traffic, a flat network could be a suitable option. It’s easy to set up and manage, and it’s less expensive than network segmentation. Just be aware that you’ll sacrifice some security and network performance with this approach.

Regardless of which option you choose, make sure you have proper security measures in place and regularly monitor your network for any possible vulnerabilities.

References

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