Designed for communications professionals, this guide covers emerging technologies, including ATM, FDDI, SMDS, SONET and mobile-wireless technologies. It provides a comparison of these technologies, their pros and cons, a description of where they do or do not compete with each other, and an examination of their targeted applications. The book is based on training courses given by the author at AT&T, Digital, Bellcore, Bell Northern Research ands British Telecom.