Cloud is a trendy term for a network or remote servers that can be accessed via an Internet connection store and manage information.
Two types of models present such as deployment models and service models. The deployment model includes private, public and
hybrid cloud. Private Clouds are data centers architecture owned by a single company. E.g. IBM’s Blue Cloud, Sun Cloud, Window
Azure, etc. Public Clouds are basically the Internet. To make resource available to general people, service provider use internet. E.g.
Gmail, Office 365, Drop box, etc. In case of hybrid clouds, for instance during peak periods individual applications or portion of
applications can be migrate to the public cloud. The service model includes Software as a Service (SaaS) such as Drop box, Google
Apps, Platform as a Service (PaaS) such as Google Compute Engine, Apache Stratos and Infrastructure as a Service (IaaS) such as
Virtual Machine, Storage, Servers
