November 2013
Intermediate to advanced
1040 pages
32h 18m
English
In recent years, the IPsec suite of technologies has become a standard and ubiquitous element of most IP networks and continues to see wide adoption across the industry. IPsec virtual private networks (VPNs) can be found everywhere—from site-to-site data center interconnects, to hub-and-spoke networks connecting large numbers of remote locations to a head office, to remote access for home users. In fact, the list of possible use cases for IPsec VPNs is almost limitless.
Of course, there are many ways to create VPNs other than IPsec, such as QinQ tunneling in an L2 MAN network, L2 and L3 MPLS VPNs, or even dedicated circuits using legacy protocols. The list of different VPN technologies ...
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