“Network professionals who are looking to deploy triple-play service provider networks will find this book a useful tool.”
–Michael Newbery, IP Architect, TelstraClear Limited
“This book provides a wealth of information on current and future broadband architectures, services, and deployments. It will serve both experienced technical experts needing a comprehensive reference, as well as those needing a concise explanation of broadband access architectures and multi-play services.”
–Sanjay Wadhwa, Product Line Manager, IP Edge Products, Juniper Networks
“This book is a thorough guide for anyone involved with triple-play networks. Its multivendor approach and references to the latest standards from the DSL Forum and the IETF makes it a must-have for anyone involved in broadband access networks.”
–Andrea Lasagna, Data & Video Services Manager, FASTWEB
Service providers are increasingly focused on delivering triple-play bundles that incorporate Internet, video, and VoIP services–as well as multi-play bundles containing even more advanced services. Broadband Network Architectures is the first comprehensive guide to designing, implementing, and managing the networks that make triple-play services possible.
Hellberg, Greene, and Boyes present their field-tested industry best practices and objectively evaluate the tradeoffs associated with key up-front architectural decisions that balance the complexities of bundled services and sophisticated traffic policies. Broadband Network Architectures not only documents what is possible on this rapidly changing field of networking, but it also details how to divide Internet access into these more sophisticated services with specialized Quality of Service handling.
· An in-depth introduction to next-generation triple-play services: components, integration, and business connectivity
· Triple-play backbone design: MPLS, Layer 3 VPNs, and Broadband Network Gateways (BNGs)/Broadband Remote Access Servers (B-RAS)
· Protocols and strategies for integrating BNGs into robust triple-play networks
· Triple-play access network design: DSLAM architectures, aggregation networks, transport, and Layer 2 tunneling
· VLAN-per-customer versus service-per-VLAN architectures: advantages and disadvantages
· PPP or DHCP: choosing the right access protocol
· Issues associated with operating in wholesale, unbundled environments
· IP addressing and subscriber session management
· Broadband network security, including Denial of Service attacks and VoIP privacy
· The future of wireless broadband: IMS, SIP, and non-SIP based fixed mobile convergence and wireless video
About the Authors
Chapter 1 A History of Broadband Networks
Chapter 2 Next Generation Triple-Play Services
Chapter 3 Designing a Triple-Play Backbone
Chapter 4 Designing a Triple-Play Access Network
Chapter 5 Choosing the Right Access Protocol
Chapter 6 Evolutions in Last Mile Broadband Access
Chapter 7 Wholesale Broadband Networks
Chapter 8 Deploying Quality of Service
Chapter 9 The Future of Wireless Broadband
Chapter 10 Managing IP Addressing
Chapter 11 Dynamic User Session Control
Chapter 12 Security in Broadband Networks
Appendix A Glossary of Acronyms and Key Terms
Appendix B Glossary of Packet Diagrams
Table of Contents
About the Authors xli
Chapter 1 A History of Broadband Networks 1
Chapter 2 Next Generation Triple-Play Services 35
Chapter 3 Designing a Triple-Play Backbone 67
Chapter 4 Designing a Triple-Play Access Network 117
Chapter 5 Choosing the Right Access Protocol 185
Chapter 6 Evolutions in Last Mile Broadband Access 219
Chapter 7 Wholesale Broadband Networks 245
Chapter 8 Deploying Quality of Service 289
Chapter 9 The Future of Wireless Broadband 363
Chapter 10 Managing IP Addressing 405
Chapter 11 Dynamic User Session Control 443
Chapter 12 Security in Broadband Networks 469
Appendix A Glossary of Acronyms and Key Terms 495
Appendix B Glossary of Packet Diagrams 523
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