Almost everyone who is beginning to read about Cloud Computing will encounter the difficulty of understanding the intricate difference between SaaS, PaaS and IaaS under the Cloud Computing realm. I am detailing the differences below in a way I understood it. May be you have an alternate approach to understanding the difference, nevertheless I believe that the explanation below gives you an insight into the beautiful difference between the three terminologies. Firstly, the terms stand for the following: SaaS: Software as a service. PaaS: Platform as a service. IaaS: Infrastructure as a service. Whenever you consider a cloud computing system, (or rather let’s consider a simple server), there are three main types of capabilities that it exposes. These are: 1) Computing: Of course, you need lot of computing power to perform complex calculations. This is achieved by installing high-end complex processors into the hardware to expose to computing capability. Such processors ...
