This cutting-edge resource examines the four core technologies behind today's broadband networks. You get in-depth coverage of TCP/IP, ATM, SDH/SONET and WDM Networking technologies, which are being utilized to meet the demands of today's diverse service features. The book presents a framework of networking principles that forms a basis of the comparison of these technologies with respect to their relative strengths, weakness and fields of use. Moreover, you learn how the technologies differ, what they have in common, and how they interact.