[135868] in North American Network Operators' Group
EPC backhaul networks
daemon@ATHENA.MIT.EDU (Glen Kent)
Sun Jan 30 12:03:30 2011
Date: Sun, 30 Jan 2011 22:32:33 +0530
From: Glen Kent <glen.kent@gmail.com>
To: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Hi,
I would like to understand why there is a preference for L3 VPNs over
L2 VPNs for the EPC backhaul networks? We can use both layer 2 and
layer 3 VPNs for communication between the eNodeB and the MME or S-GW,
so why is it that most providers prefer L3 over L2.
Glen