September 2002
Intermediate to advanced
560 pages
13h 16m
English
book
VRRP: Increasing Reliability and Failover with the Virtual Router Redundance Protocol
by Ayikudy Srikanth, Adnan Adam Onart
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Chapter 6. VRRP and VPNs
IP-based virtual private networks (VPNs) leverage security mechanisms to use a public networking infrastructure for creating a private network for an enterprise, a network that is private in effect, not in reality. Appendix A discusses different security mechanisms and how they are used for creating an IP-based VPN. This appendix also points out the tension between network availability and network security. The network availability concerns aim to make the network services as accessible as possible. The network security concerns, on the other hand, bring restrictions to network availability. Depending on the security policy, only the authorized network services should be accessible to authorized users, and only for an ...
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