Re: [vnrg] Some definitions and way forward

"SCHARF, Michael" <Michael.Scharf@alcatel-lucent.com> Thu, 04 August 2011 09:35 UTC

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Date: Thu, 4 Aug 2011 11:35:52 +0200
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From: "SCHARF, Michael" <Michael.Scharf@alcatel-lucent.com>
To: "Andreas Fischer" <andreas.fischer@uni-passau.de>
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Subject: Re: [vnrg] Some definitions and way forward
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> Aren't VPNs just one kind of link virtualization? VPNs are 
> basically tunnels with added encryption, no? Tunnels, on the 
> other hand, just create a "virtual link" between two 
> arbitrary nodes in a network.

This may be an oversimplification. There are of course many existing
multipoint-to-multipoint VPN technologies that go much beyond link
virtualization. An example is VPLS.

Michael