Basics Of Cloud Computing
Cloud computing is not like traditional hosting that uses a single dedicated server, as cloud computing uses virtualization technology to pool or share resources from an underlying network of physical servers. It acts as a group of a physical server or acts like one big server to bring you the server that you need on demand. Resources by cloud include networks, servers, storage, platforms, applications etc.
Above Info-graphic will explain you more about what is cloud computing and its main characteristics