Enterprise IT architecture has evolved from the earlier monolithic, single supplier model to a best-of-breed approach in order to address IT needs of special business services. The struggle for enterprises is that, as they consume IT and business services from multiple sources it becomes much more complex to manage them and ultimately align them in the interest of achieving the business goals.
Service Integration and Management (SIAM) has emerged as an effective way to manage multiple internal and external IT and business suppliers to ensure continued service delivery at the expected standard.