IT Outsourcing Impacts on Enterprise Architecture

Enterprises outsource IT for many reasons, such as reducing costs, shedding of overhead functions that divert management attention away from the core business, and obtaining services from industry leaders specializing in the associated competencies. IT sourcing profoundly impacts the client organization´s enterprise architecture. In an outstanding scenario, IT services come from an external services provider. Moreover, the client and vendor interact through an interorganizational interface containing operational, technical, and business components. This interface involves two major modes of interaction: delivery of the IT services and the service-management framework. The interface describes all of the processes, procedures, and protocols that the client and provider use to interact. Because enterprise architectures are unique to organizations, designing this interface might involve customization. For a large, complex client enterprise, bringing the business, operational, and technical components of the interface into alignment is often a nontrivial challenge