Top Five Best Practices for Ensuring Optimal Cloud Performance - Slide 5

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Start early and save. When your enterprise applications begin communicating with other applications in the cloud you are embarking on a new integration scenario and performance testing end-to-end is critical. Enterprise applications often communicate with other applications using middleware, so it is important to begin testing enterprise apps immediately after unit testing is completed. This is especially important with transactions that will span the datacenter and the cloud. Besides performance bottlenecks, there may be logic errors uncovered. This is also a great time to put in place policies that will prevent known problems from reoccurring, and these policies should be consistent across both the datacenter and the cloud. Think of the lifecycle of an application working with the cloud as a continuum. The farther to the left you begin testing the less expensive it will be to resolve problems in availability, logic and performance.

Cloud-washing, a practice of renaming or repackaging existing products and dubbing them cloud-ready, has become an art form. Every software package, service and now even hardware is described as cloud-enabled. Seemingly, we are all headed into the clouds never to return. Sounds like heaven, right? Maybe, maybe not.

While the atmosphere is everywhere, the cloud decidedly is not. It is by definition remote. That means if your applications require the highest in performance, cloud may not be the answer. For example, when you rent movies that are delivered over the cloud in real-time to your home, periodically, everything freezes and you see the infamous “buffering” message. While this may enhance the mystery of what is going on in the “Lost” episode you’re watching, it would be a disaster for algorithmic trading. In that environment milliseconds can determine profitability or loss.

Not all applications can be completely move to the cloud. In some cases this is done by design and the type of application, while in others the impact of migration is too high. For those business-critical applications that require the highest performance and have the most sensitive information and complexity of process, a hybrid model of cloud services to bridge the datacenter, branch offices and trading partners is best.

In this slideshow, Charley Rich, vice president of product management and marketing at Nastel Technologies, covers the top five best practices for ensuring optimal performance and uptime when using the cloud for your most demanding applications.

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