Internet architectures

Table of contents :

Part 1: The Internet, Its Architectures, and the Stakeholders ..... 1

Chapter 1: Introduction: From Concept to the De-facto Public Switched Data Network ..... 3
Chapter 2: Internet Service Provider Architectures and Services ..... 37
Chapter 3: ISP Business Relationships ..... 77

Part 2: Evolving Internet Requirements ..... 119

Chapter 4: Need for QOS-based Communications ..... 121
Chapter 5: Contemporary Example of QOS Requirements in the Internet­A Case Study with Wider Implications ..... 153

Part 3: QOS Support in the Internet: Technologies and Protocols ..... 173

Chapter 6: Frame Relay Technology for ISP Support and QOS Questions ..... 175
Chapter 7: ATM Technology for ISPs and QOS Support Capabilities ..... 237
Chapter 8: Layer 3 Fundamentals with an Eye to QOS: IP, IPv6, Internet Routing, and BGP ..... 301
Chapter 9: IP-based Communication in ATM Environments: One of Many ISP Approaches to QOS ..... 365
Chapter 10: Generic IP-based Communication: QOS based on RSVP ..... 403

Part 4: Evolving Access Technologies ..... 449

Chapter 11: xDSL Technology and Applications ..... 451
Chapter 12: ISDN Origin of xDSL Technology ..... 475
Chapter 13: ADSL Physical Layer Technology ..... 495