17 Feb
2012
17 Feb
'12
2:45 p.m.
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.