... all—from allocated resource management to grid computing, to on-demand computing and software-as-a-service (SaaS), toutility computing. A new buzzword, cloud computing, is presently in ... pres-ence, identity, and privacy in cloud computing and the latest challenges,solutions, and potential future for each in the cloud. Building a seamlessfederated communications capability in a cloud ... than willing to accept. Cloud- Based Service Offerings Cloud computing may be viewed as a resource available as a service for vir-tual data centers, but cloud computing and virtual data...