A practical approach to optical technologies and their applications.This resource provides the answers to help you make all needed decisions: financial, management, marketing, equipment, applications, and protocols. Written by best-selling author Regis Bates whose earlier books are telecom classics, you'll find answers to these essential questions about optical switching and networking: 1) What is it? 2) What do I need to know about it? 3) What's it going to do for me? 4) How much is it going to cost?