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Home > Misc  > High Availability for Microsoft Exchange

In an increasingly digital society, your communications technology must effectively handle more traffic than ever. Users and clients request information constantly. That can translate into millions of requests per day, all needing their email and data immediately. When your Exchange cluster doesn’t deliver the information quickly and without errors from it can slow down workflow, cost you customers and even cause downtime.

Load balancers help to scale your operation, allowing you to intelligently share traffic across multiple Exchange servers. Like a traffic controller, they route requests to the next available server and maximize performance. Load balancers delegate the work so it can be done as efficiently as possible. They also act as a safety feature. If one server goes down, your load balancer can automatically redirect traffic to avoid that server.

Essentially, a good load balancer should:

  • Efficiently distribute network traffic across all servers.
  • Improve reliability and high availability by only routing traffic to functioning servers.
  • Allow capacity flexibility with the option to add or take away servers as needed.

What to Look for in a Load Balancer

The best load balancers offer a combination of features and solutions designed to work with your existing infrastructure. Unfortunately, the market is littered with products that are far from the best. For an easy checklist, look for these four basic, but incredibly important, features:

  1. Easy and rapid deployment. A load-balancing option that takes months to deploy, even for an otherwise out-of-the-box solution, simply takes too long to be effective. You’re looking for a system that offers customization to ensure the greatest efficiency and rapid deployment, so you and your users start seeing the benefits.
  2. High availability. Unplanned downtime can leave customers with a negative view of your company. Your load balancer can help minimize your downtime, as long as it actually offers high availability as part of its performance package.
  3. Extensive capacity. If a load balancer can only handle a few thousand queries per hour, it won’t add much efficiency. It’s like a traffic cop that takes breaks every few minutes. You need something that is actively working, all of the time, with the ability to handle volume requests.
  4. Compatibility with existing hardware. When trying to improve performance on your existing IT infrastructure, the last thing you want to do is add more hardware. Hardware is expensive, suffers from rapid obsolescence, and requires space and maintenance. Software maintenance doesn’t need to impact your service and can happen on developmental servers, so your users never see the downtime.

Why Snapt Should Be on Your Load Balancer List

Not only can Snapt deploy in minutes as an out-of-the-box solution, it also offers customization options. Once customized, the same rapid deployment can start handling server traffic near-instantly. You get the high availability you want, and the capacity to handle virtually any traffic load. Snapt can process up 100,000 Layer 7 HTTP requests each second on a standard machine. All of this is available through software only, with Linux server support or VM image or ISO.

With Snapt, it’s all about having a complete solution at your fingertips. Full redundancy means your website never goes down, and the ability to set the traffic rules, control redirects and see in-depth reports on usage and performance makes Snapt the go-to for the tech savvy.

Learn more about the Snapt Load Balancer for Microsoft Exchange.

Dave Blakey founded Snapt in 2012 and currently serves as the company’s CEO. Under Dave’s leadership, Snapt achieved a 400% annual growth rate in 2014. Snapt now provides load balancing and acceleration to more than 10,000 clients in 50 countries. High-profile clients include NASA, Intel, and various other forward-thinking technology companies.

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