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.
sophisticated sales force
sales promotions, and other sophisticated sales tactics, as well as integration with other supply chain applications, those which do not necessarily need a large internal team of sales support people. Financial, tax, procurement, and customer service management have also followed suit. Companies are choosing to promote SaaS-based strategic sourcing and procurement applications ahead of well-publicized CRM deployments for a number of reasons, including, globalization, Web-based collaboration,