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Nowadays, Telecom service providers work in highly varied environment that includes cable television operators, Internet/Web-2.0 suppliers, and mobile/wireless services providers. Besides, end-user service personalization and short time-to-market are crucial characteristics to succeed. Thus, the main challenge for service providers is the implementation of a technical infrastructure that makes the information system simpler, more flexible, and open, while providing secure and reliable access to enterprise resources. Thus, we perform in this paper an analysis of capacities and requirements of a new platform, considering existing service providers' enterprise network architecture and future growth. Further, we (i) analyze the evolution of approaches and strategies in the Telco&IT landscape, also (ii) we categorize the requirements to service platforms and create an appropriate taxonomy. Finally, we examine the key features of a new architectural design based upon the concepts and components of the platform.