ces that meet business goals and design processes that support service life cycle. Design measurement metrics and methods are also identified in this stage with the overall intent to improve the quality of service. Service transition: This stage of the service life cycle is to handle changes. It could be change in policies, modification of design or any other changes in IT enterprise. The reuse of an existing process and knowledge transfer associ- ated to the change is also covered as part of service transition. Service operation: This stage is associated with management of applications, technology, and infrastructure to support delivery of services. Operational processes, fulfillment of service, and problem management are part of the service operation stage. The key IT operations management is covered under service operation. Continual service improvement (CSI): This stage deals with providing value add to the customer offering good service quality and continued improve- ment achieved by maturity in the service life cycle and IT process. The prob- lem with most IT service companies is that improvement is looked into only when there is considerable impact on performance or when a failure occurs. The presence of CSI ensures that improvement is a part of the service life cycle and not a mitigation plan when an issue arises. Improvement will require continuous measurement of data, analysis of measured data, and implemen- tation of corrective actions. The service delivery management is defined in a complete manner giving the pro- cesses, roles, and activities performed. The interactions between processes are also defined in ITIL. Similar to eTOM, ITIL is also a framework and hence its imple- mentation differs from company to company. However, ITIL is mainly focused on internal IT customers without giving a complete consideration to all the players in the industry as in eTOM. ITIL is not a standard, but standards like ISO 15000 is based on ITIL. So organizations are usually accessed against ISO 15000 to check on its c