EPC backhaul networks

Glen Kent glen.kent at gmail.com
Sun Jan 30 11:02:33 CST 2011


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.


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