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Title : A Method to Provide Dynamic Routing in IPsec VPNs
Author(s) : P. Knight, B. Gleeson
Filename : draft-knight-ppvpn-ipsec-dynroute-03.txt
Pages : 16
Date : 2003-10-27
Exchange of routing information between IPsec security gateways,
using standard routing protocols across IPsec tunnels, can be a
straightforward operation. Using the routing information to choose
the proper path is also straightforward, when routing is
functionally separated from the IPsec gateway operation. One of the
most significant obstacles to widespread implementation of dynamic
routing in IPsec VPNs has been agreement on a way to exchange and
use the routing information. This document describes a simple and
secure method of exchanging dynamic routing information between
IPsec security gateways, using standard IPsec messages. This method
is currently in use in a large number of installations, and has been
demonstrated to be interoperable across several IPsec
implementations from different vendors.
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