A lot of terms have become part of the overall cloud vernacular. None are more accepted than SaaS, PaaS and IaaS. This post is my attempt to peel away the layers of the “cloud onion” in a way that everyone can understand. With the continual changes in the cloud, definitions of the types of services are in a constant state of flux. Unfortunately, the same service may be categorized into either of the three depending on who is making the categorization – a developer, a system administrator or a manager.
October 27, 2011
Decision makers’ views on cloud computing have shifted considerably over the years from the their initial reaction of the cloud being all hype and spin created to separate IT departments from large portions of their tight budget allocations. Now this initial resistance has waned the world over as more and more companies push data and applications into the cloud. The evolution of the cloud is evident to anyone that follows the IT industry; the cloud is heartily being embraced as a business enabler.
Today there are numerous service providers that compete with or offer complementary services to Amazon and its extremely successful and revolutionary EC2 offering. Each does the infrastructure component a bit differently. One such service provider is Savvis, which offers four web services under its Symphony Enterprise-Class Cloud Solutions: Symphony VPDC; Symphony Database; Symphony Dedicated; and Symphony Open.