Having survived Enterprise Application Integration (EAI) and Business-to-Business integration (B2Bi) projects, enterprises are looking for fresh ways to accelerate business and to increase efficiency and agility. Web services, a set of technologies that automate business processes,promise the speed and agility that enterprises seek to create a competitive edge. Unlike previous technological innovations that required re-engineering work or hands-on intervention from end users in order to effect changes, Web services are layered onto existing applications and are themselves self-adapting, capable of discovering and querying one another automatically, and able to connect, compare, assess, re-configure, and transact as quickly as business needs demand. The result is an unprecedented degree of automation, efficiency, and agility. Constellations of business connections and trading networks can appear overnight as Web services automatically pursue opportunities that even the most diligent h...

Shared Service Model is collaborative approach to pool in all the resources into one. This approach allows the economies of scale, pooled experience, associative responsiveness, partnerships with in the organization for low cost and high quality. An internal business unit works as a service provider to the business clients that fulfills the non-core businesses and fragments the core business with higher epxertise within the pool of intelligent resources, with other business units of the same organization. Business organizations request products and services within the organization from the one of the business unit so called 'Shared Service Provider'. The various business units are billed interally and their costs are recovered through revenue generation. Since, these clusters of internal business units have to show profitability for their own existence. They normally buffers up some margins in the cost offered to the 'Shared Service Provider', which is a wrong practice....