THE DEFINITIVE GUIDEBOOK TO NEXT GENERATION SONET/SDH, OPTICAL NETWORKS, AND NEW DATA COMMUNICATIONS PROTOCOL The next generation SONET/SDH answers the demand for a communications network with improved data QoS, higher data rates, exceptional flexibility, efficiency and scalability, superb protection, and a data–friendly standard, by integrating the simplicity and cost–efficiency of the data network with bandwidth capacity and QoS of the synchronous optical network. Designed for communication specialists who need to understand the implications and implementation requirements of the next...