Alberto Leon-Garcia is a Professor in the Depatment of Electrical and Computer Engineering at the University of Toranto where he holds the Jeffrey Skoll Chair in Computer Network and Innovation. He was also Chief Technical Officer and Co-Founder of Accelight Networks Inc. where he led the development of a terabit multiservice optical switch. In 1999 Dr. Leon-Garcia became an IEEE fellow for "for Contribution to multiplexing and switching of Integrated Service traffic." Inra Widjaja received his Ph.D degree in electrical engineering on high-speed packet switching architectures from the uiversity of Toronto in 1992. Since 2001 he has been a researcher at Bell Laboratories, Lucent Technologies.Dr.Widjaja's current research interests include traffic Engineering, architectures for cost effective tranport networks, and High-Speed packet Switching. He has Extensive publication in technical journals and high-Speed packet Switching. He has an Extensive Publication in technical Journals and Conferences and holds several patents in Switching architectures. He is also an active member of IETF and IEEE.

• Preface1 Communication Networks and Services2 Application and Layered Architectures3 Digital Transmission Fundamentals4 Transmission Systems and Circuit Switching Networks5 ARQ and Flow Control6 Local Area Networks and Medium Access Control7 Packet-Switching Networks8 TCP/IP9 ATM Networks10 Advanced Network Architectures11 Network Security12 Multi-Media Information and NetworkingEpilogueAppendixesA Delay and Loss PerformanceB Network Management