Cloud computing—not to be confused with grid computing, utility computing, or autonomic computing—involves the interaction of several virtualized resources. Those are totally different stuff. Cloud Servers connect and share information based on the level of website traffic among the entire network. Cloud computing is often provided as a service on the Internet. As the form of infrastructure as a service (IaaS), platform as a service (PaaS), or software as a service (SaaS). Cloud computing customers don't need to use their own money to purchase, manage, maintain. And scale the physical infrastructure required to handle the traffic fluctuations.
Instead of having to invest time and money to keep their sites afloat, cloud computing customers simply pay for the resources they use, as they use them. This particular characteristic of cloud computing—its elasticity—means that customers no longer need to predict traffic, but can promote their sites aggressively and spontaneously. Engineering for peak traffic becomes a thing of the past.




