About the Book
Broadband in the Metro Area has proven
to be telecom’s one bright spot in 2001 – all the long haul backbone capacity
in the world does you no good if you can’t move your data through the Metro
bottleneck. But service providers are wrestling with all manner of technology
choices (SONET? DWDM? Ethernet? The coming 10Gig Ethernet?), and also face
the challenge of easily and effectively accessing SANs and VPNs. Quality
of service issues are crucial in recruiting and maintaining customers Steven
Shepard lays bare the tricks and traps awaiting service providers in the
metro area space, detailing the technological challenges and opportunities
in his trademark lucid, humorous prose.
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Table of Contents
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 |
