Originally intended for use in broadband ISDN and ATM networks, SONET has taken on a life of its own as more telcos and other carriers deploy SONET fiber to support leased line services. Experts predict most public networks will soon be close to 100% SONET/SDH. Get ready with SONET, Second Edition, by Walter Goralski. This new edition of the industry leader brings you up to speed on this fast-moving technology, from an introduction to fiber optics and SONET, a clear explanation of how SONET works, SONET network equipment, deployment and services, to its state-of-the-art treatment of WDM and DWDM (Wave Division Multiplexing) and SONET. You get: *Full-scale coverage of IP packets directly on a SONET transport, and direct-to-fiber interfaces without SONET *Examples of SONET deployments and full details on how they were accomplished *Details on SONET vendors, with analysis of available products *Hands-on treatment of how to implement SDH, the European standard *More!