LightReading Report: Cloud Computing still confusing
By Tarry Singh at 30 January, 2009, 11:31 am
Cloud computing is still evolving, but certain ideas are strongly associated with it. When cloud computing supports “on tap” consumption of IT and network infrastructure, it is also known as utility computing or infrastructure as a service (IaaS). Software as a service (SaaS), an evolution of the application service provider (ASP) concept that fell out of favor early in the decade, is closely linked with cloud computing, since an SaaS provider makes applications available for rental over IP-based networks in real time.
Service/feature reuse is also a hot topic since it speeds up service creation, enabling service providers to bring innovative services to market faster. It is also a central tenet of the Web mashup movement. Traditionally, features have been locked into specific platforms/applications, only available for use by those that have bought the platform/application, forcing strict competition. The mashup philosophy takes a feature, hosts it in a cloud to make it accessible, exposes it through an API to make it usable, and drives value from the explosion in usage and from the intrinsic value the usage of the feature has for a particular customer.
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