Applications are more often outsourced than infrastructure, and this is increasingly done through software as a service (SaaS). Vendors such as WebEx, Webcom, MCA Solutions, and Ariba are delivering applications as SaaS.
provisioning technical data plm
services, like single sign-on, provisioning, billing, support, etc. Prospective SaaS customers should not be overly concerned with semantics and the vendors'' marketing gimmicks, but rather view their SaaS or on-demand needs as part of the long-term strategy, bearing in mind requirements like mobility, collaboration, cross-functional process integration, compliance, etc. After identifying which parts of a business could be served well by on-premise, traditional hosting or outsourcing, or SaaS or on demand