Aug 26, 2015

What happens if my workloads change in the cloud?

How do cloud providers accommodate growth in volume and demand changes?
Elasticity and scalability are two of the primary advantages of the cloud. It's very easy to scale up based on changing needs. The cloud service provider's servers have the capacity to quickly meet increases or decreases in demand.

More details on elasticity and scalability in the cloud from cloud service provider Evolve IP:

"Elasticity is aimed at companies building consumer- or business-facing software applications that they plan to sell on a subscription basis. Think: Evernote, Netflix, Dropbox, and Elasticity basically means that your platform can handle sudden, unanticipated, and extraordinary loads. This could be the result of a Superbowl ad or some other widespread promotional technique that results in a massive but brief influx of users and load on the system.

Think of elasticity as, essentially, unlimited head room. When you’re a software developer building SaaS that you plan to offer to the entire planet (such as Facebook, which hopes to have the whole world as users), you need unlimited head room for those unpredictable moments.

Contrast that to scalability. Scalability is a planned level of capacity, with appropriate overhead, that you anticipate your company’s systems to require over time, in addition to the ability to scale in a quick and easy manner when (and if) you need more (or less) resources."

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