Provides practical guidance for planning and managing ATM backbone networks for TCP/IP-based WANs and the Internet. After an overview of TCP/IP and ATM fundamentals, material compares pros and cons of two leading options for carrying TCP/IP options on ATM networks: the IETF's Classical IP-Over-ATM, and the ATM Forum's LAN Emulation. Resources for managing ATM networks are reviewed, and a conclusion previews the future of TCP/IP and ATM. Aimed at people who are familiar with networking in general but who don't know much about ATM. The informal writing style is a plus.