'The IPSec protocol suite is perhaps the most important mechanism for securing the future Internet, and is bound to become an inseparable part of the Internet protocol. This book is essential reading and a great reference for anyone who wants to use IPSec or to understand how it works. Clearly and fluently written, it provides the reader with an overall view and rationale, together with the necessary hands-on details. This is most definitely the right book at the right time ' -Ran Canetti, Staff Member, IBM Research The insiders guide to IPSec for every networking professional-not just security specialists With IPSec, Internet security comes of age, enabling companies to build VPNs and other Internet-centered mission-critical applications with confidence that their data will remain secure. Now, theres an authoritative, comprehensive guide to IPSec-straight from two leading authorities in IPSec standardization and implementation. Start by reviewing the fundamentals of computer and network security, and the tradeoffs associated with implementing security at each layer of the IP stack. Next, walk through IPSecs architecture and components; the role of authentication, encryption, enca