CCNP security VPN 642-648 official cert guide von Hooper, Howard

MPLS-enabled applications emerging developments and new technologies von Minei, Ina

Deploying next generation multicast-enabled applications label switched multicast for MPLS VPNs, VPLS, and wholesale Ethernet von Joseph, Vinod

MPLS-enabled applications emerging developments and new technologies von Minei, Ina, Lucek, Julian

Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
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Network virtualization von Moreno, Victor CCIE

Firewalls and VPNs principles and practices von Tibbs, Richard W.

Comparing, designing, and deploying VPNs von Lewis, Mark

VPNs a beginner's guide von Mairs, John

Virtual private networks technologies and solutions von Yuan, Ruixi

Virtual private networks technologies and solutions von Yuan, Ruixi