Contributors -- Introduction -- 1 Current Practice and Evolution (Salah Aidarous) -- 1.1 Introduction -- 1.2 Evolution of Network Architecture -- 1.3 Technology Breakthrough -- 1.4 IP Management Challenges -- 1.5 IP/PSTN Integration -- 1.7 Summary -- 2 eCommerce (Paul Levine) -- 2.1 Introduction -- 2.2 eCommerce Requirements -- 2.3 Open-edi -- 2.4 Business Operational View -- 2.5 Semantics (Data Definition Standards) -- 2.6 Shared Semantics for Interoperability (Data Exchange Standards) -- 2.7 Summary -- 3 Quality of Service in IP Networks (Joberto S�rgio Barbosa Martins) -- Introduction -- 3.1 IP Context and Quality of Service -- 3.2 Quality of Service -- 3.3 Quality of Service: Approaches and Initiatives for IP Networks -- 3.4 Packet Conditioning, Queue Scheduling, and Congestion Control in Routers -- 3.5 Integrated Services Architecture -- 3.6 Differentiated Services Architecture -- 3.7 Multiprotocol Label Switching -- 3.8 Summary -- 4 A Survey of Charging Internet Services (Burkhard Stiller) -- 4.1 Introduction -- 4.2 Motivation and Terminology -- 4.3 Related Work -- 4.4 Internet Services and Technology Choices -- 4.5 Pricing Models -- 4.6 ISP Cost Models -- 4.7 Charging Support Systems -- 4.8 Business Model Aspects -- 4.9 Summary and Conclusions -- 5 IP Security (Mostafa Hashem Sherif) -- 5.1 Introduction -- 5.2 Security of Telecommunications Services -- 5.3 Security Objectives -- 5.4 OSI Model for Cryptographic Security -- 5.5 Message Confidentiality -- 5.6 Data Integrity -- 5.7 Identification of Participants -- 5.8 Authentication of Participants -- 5.9 Access Control -- 5.10 Nonrepudiation -- 5.11 Secure Management of Cryptographic Keys -- 5.12 Exchange of Secret Keys: Kerberos -- 5.13 Exchange of Public Keys -- 5.14 Certificate Management -- 5.15 Applications for Network Management -- 5.16 Encryption Cracks -- 5.17 Summary -- Appendix I: Areas Related to Security Policies -- Appendix II: Principles of Symmetric Encryption -- Appendix III: Principles of Public Key Encryption.

Appendix IV: Principles of the Digital Signature Algorithm -- 6 The Future Optical Internet: Integration of Optical and IP Technologies (Andrea Fumagalli, Javier Aracil, and Luca Valcarenghi) -- 6.1 Introduction -- 6.2 Optical Network Technologies -- 6.3 Protocol Architectures, Signaling and Framing Techniques for the Optical Internet -- 6.4 Traffic Engineering in the Optical Internet -- 6.5 Open Challenges -- Acronyms -- Index.