April 2017
Beginner
504 pages
14h 11m
English
Elasticity means that the system is adapting to the load. We can have a huge system, with lots of processors capable of serving the largest anticipated demand. That is not elasticity. Since the demand is not constant and, most of the time, is smaller than the maximum, the resources of such a system are idle. This causes waste of time, CPU cycle, energy, and, thus, ecological footprint.

Having systems run on the cloud can avoid such losses. The cloud is nothing but many computers that somebody operates for multiple applications, for multiple corporations even, and each rents only the CPU cycles that it really needs and only when it ...
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