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

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

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

MPLS-enabled applications emerging developments and new technologies od 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 od Moreno, Victor CCIE

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

Comparing, designing, and deploying VPNs od Lewis, Mark

VPNs a beginner's guide od Mairs, John

Virtual private networks technologies and solutions od Yuan, Ruixi

Virtual private networks technologies and solutions od Yuan, Ruixi