rocesses 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 capability in IT service management and direct compliancy or certification Telecom Processes from ITIL cannot be achieved. Other process models/standards include ISO/IEC 20000, Six Sigma, CMMI, COBIT, and ISO/IEC27001. ISO/IEC20000 is related to IT service management and most of these standards support certification. 22.4 Integrated Approach From the discussion SO far it would now be clear that eTOM and ITIL were devel- oped for different domains and the framework for these models was developed separately. However integrating the two models into a unified view offers added value to a telecom enterprise (see Figure 22.1). Standardizing bodies like TMF are actively pursuing this goal of an integrated model. Compelling companies to select one of the models and adhere is not feasible as both the frameworks provide insight and guidance to the enterprise to improve the service quality. Another reason for integration is that the ICT industry has a community of users working with both techniques. These community users work on both to offer a common reference/ standard in defining a business process. The focus of standardizing bodies is to identify and remove obstacles in eTOM and ITIL integration. The GB921 document of TeleManagement Forum provides a workable method for implementing eTOM process flows with ITIL. This docu- ment demonstrates overlaid on ITIL process steps as a background that enterprises can directly build support for ITIL best practice services on a process modeled with eTOM. Requirements of Need for IT best service provider practices in telecom Business process flow IT best practices