This article is second part of three part series of cloud computing. In this series, I will cover the following topics * What is cloud computing? [https://www.lakshmikanth.com/what-is-cloud-computing/] * Types of cloud computing? [https://www.lakshmikanth.com/what-is-cloud-computing/] * Different types of cloud service models (IaaS, PaaS and SaaS)  -