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Design and Implementation of DSL
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Design and Implementation
of DSL-Based Access
Solutions
Design and Implementation of DSL-Based Access Solutions addresses various
architectures for DSL-based networks. It focuses on how to design and implement an
end-to-end solution for service providers, considering various business models such
as retail, wholesale, VPN, etc.
This book depicts the different architectures, and helps you understand the key
design principles in deploying them. It covers both access encapsulations such as
bridging, PPPoA, PPPoE, and routing, as well as core architectures such as IP, L2TP,
MPLS/VPN, and ATM. Because it focuses on end-to-end solutions, Design and
Implementation of DSL-Based Access Solutions talks about how to do mass
provisioning of subscribers and how to manage networks in the most efficient way. It
also includes discussions of real-life deployments, their design-related issues, and
their implementation.
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About the Authors
Sanjeev Mervana, CCIE #4006 , has over 10 years of experience in networking
and has been with Cisco Systems since 1998. A CCIE since 1998, Sanjeev was the
Technical Leader in the Customer Support Organization at Cisco for resolving
complex networking issues before moving to the Technical Marketing Group. Since
joining the Technical Marketing Group, Sanjeev has established a lead in defining
broadband architectures for customers and has published several service architecture
papers internally to Cisco as well as for customers. His primary job involves him in
architectural discussions with leading service providers to offer various value-add
services. Sanjeev has been a key contributor and instrumental in defining some of
the requirements for next-generation products at the edge of the network.
Chris Le, CCIE #5235 , is a Technical Marketing Engineer for the Service Provider
Line of Business for Cisco Systems. Chris has provided DSL internetworking design,
implementation, and performance engineering to several service providers. He has
worked extensively on design and implementation in the IP aggregation space and
has provided training to engineers on leased-line and broadband aggregation.
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About the Technical Reviewers
Kumar Reddy is Manager of Technical Marketing at Cisco Systems. Kumar has
authored a number of technical papers and presentations for both internal and
customer audiences in the area of broadband aggregation and is a regular technical
presenter and trainer at Cisco events. He works extensively with Cisco customers
and pre-sales teams on service architectures and deployments for IP access
networks. Prior to joining Cisco, Kumar worked in Paris, teaching and developing
network protocols and software.
Jay Thontakudi is a Technical Marketing Engineer with Cisco, working in the field
on architectural design, network migration, and issues related to DSL. He has been
with Cisco since 1999. Jay's prior experience includes nine years in the oil and
natural gas industry with job functions in project engineering, process control
networks, and enterprise networking. Jay holds a masters degrees in computer
science and mechanical engineering.
Brian Melzer, CCIE #3981, is an Internetwork Solutions Engineer for ThruPoint,
Inc., out of its Raleigh office. He has worked as a consultant for ThruPoint since
September 2000. Thrupoint is a global networking services firm and one of the few
companies selected as a Cisco System Strategic Partner. Before working for
Thrupoint he spent five years working for AT&T Solutions on the design and
management of outsourcing deals involving Fortune 500 clients. As a member of the
Wolfpack, Brian received his undergraduate degree in electrical engineering and his
masters degree in management at North Carolina State University.
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Acknowledgments
We would like to thank Stephane Lamarre first for encouraging us with writing DSL
architecture white papers that were the basis and inspiration for this book. Thanks to
Charles Ford with his expertise in DSL and to Jay Thontakudi for his expertise in IP
DSL switching. Special thanks to Kumar Reddy and Jay for their dedication in
reviewing the book, for their constructive suggestions and criticisms, and for keeping
us honest.
Our thanks also go to John Kane and Christopher Cleveland from Cisco Press who
assisted us with producing this book and believed in our ideas.
Last but not least, we'd like to thank our Technical Marketing Engineer colleagues
whom we learned so much from and made our work much more enjoyable.
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