80 Percent of Businesses Will Find Growth Constrained From a Lack of New Data Centre Skills by 2016: Gartner

Services constructed in this way are better equipped to scale geographically and share multiple data centers with limited impact on user performance. This approach also blurs the lines between capacity planning, fault-tolerant designs, and disaster recovery. Because individual virtual machines, nodes and then larger parts of the infrastructure may be lost, careful adjustment of both application and infrastructure will allow graceful performance degradation.

Develop demand-shaping techniques to provide acceptable performance

Demand shaping uses various techniques to adjust the quantity of resources required by any one service so that the infrastructure does not become overloaded. Gartner predicts that through 2017, 25 percent of large organizations will use demand shaping to plan and manage capacity, up from less than 1 percent in 2014.

Techniques for demand shaping include limited launches — sometimes known as "canary launches" — where new functionality is released to a limited section of the user base. The take up and load can then be measured and extrapolated to the wider user base and decisions made to allocate more or fewer resources to the new services as they are rolled out to different segments of users. "Dark launching" is also used to estimate and shape demand. In this case, functionality is released, usually to a subset of the user base, but users are not notified that the functionality is available.

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