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Security Portal: The Reality of Building Secure Private Networks, Part One

“Deploying a secure Internet-based private network is
especially complex. One reason, VPN component security is focused
at the network layers and uses technology standards like IPSec or
vendor proprietary protection schemes that limit
interoperability.
Even within the IPSec community, the idea of
“manual keying” between disparate security associations is
problematic for implementers and users alike.”

“The ability to conduct message (packet) authentication with
data encryption between virtually any two endpoints on the net gave
support to what’s now known as a virtual private network (VPN). The
“virtual” capability of this network enables a business to become
agile as more emphasis is placed on integrating VPN technologies to
achieve a diverse set of business goals.”


Complete story
.