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.