The document discusses the strategic analysis and operational methodologies of multiservice models for synchronous transmission in communication networks, particularly focusing on technologies like asynchronous transfer mode (ATM) and time-division multiplexing (TDM). It highlights the transition from traditional copper networks to passive optical networks (PON), emphasizing the advantages of PON in terms of speed, efficiency, and the ability to handle diverse data types simultaneously. The authors propose a multiservice model that integrates various communication technologies to enhance performance while reducing costs and maintaining service flexibility.