International Journal of Computer Applications
Cloud computing is an emerging advanced technology which provides the computing facilities through the Internet to end users by supplying an on demand basis as per usage like water and electricity etc. This could be considered as 5th utility of human need in this new cloud era. Earlier computing technique facilities were developed by the developer at the organization and purchased by users and deployed as per the compatibility of applications in available infrastructure which usually is not sufficient, e.g. it was not able to handle the demand at peak traffic period.