* The key technology to provide maximum bandwidth over networks is Dense Wave-length Division Multiplexing (DWDM) * Explain in detail how DWDM works and how to apply various transmission protocols * Covers device considerations, pros and cons of the various layers of network protocols, and quality of service issues (QoS) * The authors are leading experts in this field and provide examples of real-world implementation * The first book to describe the interaction between physical layer and IP (Internet Protocol) in optical networks