Paying for what you use is a side effect of dynamic scalability. There are a number of scenarios that come to mind which require this capability, and cloud platforms make it easier than ever. Of course, it is in the provider’s best interest to give you an easy way to add more capacity, be it storage space or computing power. The more you use, the more money they make. In Windows Azure, changing the computing power available to an application is very easy.
Amazon’s EC2 offers a feature they refer to as ‘Auto Scaling.’ Auto Scaling lets you specify conditions according to which the computing capacity available to your application is increased or decreased. For applications that experience spikes or dramatic variability in usage, it may be your best option.
Wednesday, May 25, 2011
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