For nearly a decade, the next generation protocol to improve the Internet has been "just two years away". Finally, the future has arrived. 'IPv6 Essentials, 2nd Edition' provides a succinct, in-depth tour of all the new features and functions in IPv6, guiding readers through everything they need to know to get started, including how to configure IPv6 on hosts and routers, and which applications currently support IPv6. Aimed at system and network administrators, engineers, network designers, and IT managers, this book will help them plan for, design, and integrate IPv6 into their current IPv4 infrastructure.