In this episode, I tried to explain the concept of Cloud Computing  History of Cloud, Cloud Services like IaaS, SaaS, PaaS, DaaS, FaaS etc The cloud refers to servers that are accessed over the Internet, and the software and databases that run on those servers. We have Different Cloud Service Providers like Google, Amazon, Microsoft Azure etc. Amazon Services like EC2(Elastic Computing Cloud). SS3(Simple Storage Service) Eg of IaaS :DigitalOcean, Linode, Amazon Web Services (AWS), Microsoft Azure, Google Compute Engine (GCE), Rackspace, and Cisco Metacloud. In this model, a company rents the servers and storage they need from a cloud provider. They then use that cloud infrastructure to build their applications. For example AWS EC2 which has only the hardware and you select the base OS to be installed. If you want to install Hadoop on that you have to do it yourself, it's just the base infrastructure AWS has provided. SAAS: Software As a Service Simple, cost-effective development and deployment of apps Scalable Highly available Developers can customize apps without the headache of maintaining the software Significant reduction in the amount of coding needed Automation of business policy Easy migration to the hybrid model Eg of SAAS: Gmail Google Drive Google Calendar Google Sheets Hangouts Google App Engine