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Steven Shepard (Williston, VT) is a professional writer and educator specializing in international telecommunications. He has written and taught technical courses on a broad range of topics around the globe. He is the author of several books, including Telecommunications Convergence and Optical Networking Demystified.

Acknowledgments Introduction PART 1: A LESSON IN MEDIEVAL HISTORY The Evolution of Modern Networks Further Diversification Core Versus Edge: A Few Words The Birth of Metro Fiber Distributed Data Interface (FDDI) Switched Multimegabit Data Service (SMDS) The Maturing Metro Market Metro Market Segments Carrier-Class Ethernet MPLS/GMPLS-Enabled Networks DWDM The Next-Generation Intelligent Network Network Management An Aside: Resilient Packet Ring (RPR) Anatomy of the Metro Network: The Edge The Multiservice Metro Network Network Inversion Cisco's Central Role The Metro Network: Access Anatomy of the Metro Network: The Core Optical Burst Switching Freespace Optics synchronous Transfer Mode (ATM) Metro Topologies Point-to-Point Architectures Ring Architectures Summary PART 2: THE METRO NETWORK What is a Metro Network? Metro Touch Points Long-Haul Networks Access Networks The Metro Area Itself The Evolving Metro Network Metro Demographics Regulatory Impacts Likely Regulatory Solutions Summary PART 3: ENABLING TECHNOLOGIES Introduction Overview and Terminology Ethernet Services Ethernet: A Brief History Phase Two: Xerox and DEC The Arrival of Fast Ethernet Full-Duplex Ethernet Up the Stack: The Ethernet Physical Layer The Arrival of Fast Ethernet (100BaseT) One Step Up: Gigabit Ethernet (1000BaseT) 10-Gigabit Ethernet Ethernet Summary Service Providers Alternative Premises Schemes Access Technologies Marketplace Realities ISDN Digital Subscriber Line (DSL) Cable-Based Access Technologies Wireless Access Technologies Transport Technologies Asynchronous Transfer Mode (ATM) Optical Networking Putting It All Together Fiber Nonlinearities Intermodulation Effects Optical Amplification Optical Receivers Dense Wavelength: Division Multiplexing (DWDM) Course Wavelength Division Multiplexing (CWDM) Optical Switching and Routing Switching Versus Routing: What's the Difference? Switching in the Optical Domain Multipoint Circuit Support Nonintrusive Monitoring New Services Transporting Subrate Payloads: Virtual Tributaries SDH Nomenclature Metro Networking: SONET and Ethernet Summary PART 4: METRO APPLICATIONS Corporate Evolution The Importance of Corporate Knowledge The ERP Process Data Mining Knowledge Management Obstacles to Effective Knowledge Management Managing Quality of Service (QoS) An Aside: The SLA Supply-Chain Issues ERP in the Telecomm Space Customer Relationship Management (CRM) Putting It All Together Network Management in Metro Networks Summary PART 5: PLAYERS IN THE METRO GAME Component Manufacturers The Component Players Systems Manufacturers Service Provider Issues CONCLUSION APPENDIX A: COMMON INDUSTRY ACRONYMS APPENDIX B: GLOSSARY INDEX