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Re: Common operational misconceptions
From: Lamar Owen <lowen () pari edu>
Date: Fri, 17 Feb 2012 14:45:26 -0500

On Friday, February 17, 2012 01:30:30 AM Carsten Bormann wrote:
Ah, one of the greatest misconceptions still around in 2012:

-- OSI Layer numbers mean something.
or
-- Somewhere in the sky, there is an exact definition of what is layer 2, layer 3, layer 4, layer 5 (!), layer 7

Misconception: Layers are not recursive. 

Thanks to tunneling/MPLS/other encapsulation techniques, they are.


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