Download or read book Comparing, Designing, and Deploying VPNs written by Mark Lewis (CCIE.) and published by Adobe Press. This book was released on 2006 with total page 1082 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed guide for deploying PPTP, L2TPv2, L2TPv3, MPLS Layer-3, AToM, VPLS and IPSec virtual private networks.