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Server Load Balancing

Increased Performance

Provide an enhanced user experience to your customers by distributing traffic demand across multiple web or application servers.

High Availability

Remove any single point of failure with multiple back end servers and a redundant load balancing configuration.

Easily Scalable

As demand increases, add servers to your solution's resource pool and immediately begin sending traffic to them.

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What is Load Balancing?

Prevent a single server from being overwhelmed, load balancing takes the overall hosting burden and spreads it across multiple servers. It enables you to schedule maintenance work and, should a server fail, there's one already there to take over.

With this increased level of redundancy, having a load balancing solution in place allows your end-users to have a seamless, uninterrupted and unaffected end-user experience in any situation.

We offer both layer 4 and 7 load balancing options, allowing you to improve availability, performance and end-user experience of your business critical applications and websites.

How load balancing works diagram



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Network Layer

Layer 4 load balancing works at the network layer and simply analyses traffic based on data from the network and transport protocols. The target IP address or TCP port allows the load balancer to direct traffic to the best server to handle the request; and if one of your servers is offline or overloaded, the load balancer sends requests to just the healthy servers.

This is most effective when you have multiple web or application servers with the same content to achieve high performance and high availability should your site receive a spike in traffic.

Application Layer

Layer 7 load balancing (or content switching) works at the application layer and intelligently routes traffic depending on the type of request or type of content, allowing smarter decisions to be made. Routing decisions can be made based on data such as HTTP header or URI request information.

This allows you to have selected servers in your environment dedicated and optimised for different types of content. For example, one server supplies images, another handles dynamic content, and another handles online payments.

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More High Availability Solutions

Keep your website online with optimal performance with our range of high-availability hosting and additional solutions.

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Award-Winning Support

Award-winning support

Your solution will be backed by a team of UK-based technical engineers available 24/7/365, plus a dedicated account manager.

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UK Data Centres

Data Centres

We've invested £22m in our UK-based data centres to ensure the highest levels of service, security and performance.

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