Cloud computing is a means by which computational power, storage, collaboration infrastructure, business processes and applications can be delivered as a utility, that is, a service or collection of services that meet your demands. The aspect of pay-as-you-go in the cloud is referred to as elasticity and is an extremely important concept within cloud computing. On the whole, the cloud is basically an umbrella term that covers on-demand access to various computing resources. XaaS (Anything-as-a-Service) - This is a generic term which refers to any service which is available as cloud enabled service through internet. Some time it is also called ‘everything-as-a-service Backend-as-a-Service (BaaS) – Backend as a service (BaaS), or mobile backend as a service (mBaaS) is a model of cloud computing in which the vendor provides web and mobile application developers with tools and services to create a cloud backend for their applications. BaaS vendors typically use custom SDKs and APIs to give developers the ability to connect their applications to backend cloud storage and features such as user management, push notifications, and social network integration. Cloud Foundry – Cloud Foundry is an open-source cloud platform as a service that was originally developed as a joint venture between VMware, EMC, and General Electric, and is now owned by Pivotal Software. Cloud Management Platform (CMP) – A cloud management platform (CMP) is a product that gives the user integrated management of public, private, and hybrid cloud environments. Cloud Marketplace - A cloud marketplace is an online marketplace, operated by a cloud service provider (CSP), where customers can browse and subscribe to software applications and developer services that are built on, integrate with, or supplement the CSP’s main offering. Amazon’s AWS . Marketplace and Microsoft’s Azure store are examples of cloud marketplaces. Cloud Washing – Cloud washing is a deceptive marketing technique used to rebrand old products by connecting them to the cloud, or at least to the term cloud. Grid computing is a group of networked computers that work together as a virtual supercomputer to perform large tasks, such as analyzing huge sets of data or weather modeling. Through the cloud, you can assemble and use vast computer grids for specific time periods and purposes, paying, if necessary, only for what you use to save both the time and expense of purchasing and deploying the necessary resources yourself. Also by splitting tasks over multiple mac