Scalability IS NOT Elasticity

In my last post about the cloud, I had left out a question discussing about scalability and elasticity. During my discussions and reading about cloud and learning more about it, I was always confused about the words “Scalability” and “Elasticity” in context of cloud. Most of the times, I had found these are being used interchangeably.

But what we need to understand is that Scalability‎ IS NOT Elasticity. Now what do you mean by that? Let’s start by examining what are the meanings of these words.

Read more