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.
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the Salesforce.com models, and sales data is certainly an area of high risk. In addition to requiring user sign on, there could be virtual private network (VPN) access, which is as protective as internal security. For diverse mash-up deployments, Jamcracker Service Delivery Network provides an array of related 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