Have A Glance at Cloud Computing

This paper tries to explain the Cloud Computing concepts briefly. The cloud service provider must ensure the security for the infrastructure and applications which are using cloud by providing various means of authentication tools and techniques. first we define the Cloud Computing and then we brief its Architecture and later we will account the cloud computing services models .we will brief out the deployment model and then cloud computing working by taking an account of virtualization technique,and at the end of the paper we are accounting on some of the Applications of cloud computing along with advantages and disadvantages of it.