Date Added: Oct 2012
Cloud is a concept of updating of resources without affecting the infrastructure to reduce the need of backup system and encourage the continuous execution of application. Cloud provides potential "Reliability" and "Scalability" for the applications either deployed or running on cloud. Cloud computing is offering utility oriented IT services to users worldwide. It will speed up the development of intelligent, proactive "Nextgen" documents that will improve the productivity of knowledge workers around the world, but several challenges lie in the way before the cloud becomes a widely accepted paradigm for computing.