EPC backhaul networks

[joelja at bogus.com (Joel Jaeggli)]

On 1/30/11 1:13 PM, Ping Pan wrote:
> On Sun, Jan 30, 2011 at 12:55 PM, Cameron Byrne <cb.list6 at gmail.com> wrote:
> 
>> Yep.  I hate L2.  It is a total nightmare. But, it is literally the
>> only game in town.  I blame the MEF for spreading propaganda that
>> MetroEis the best solution for backhaul ... most people dont even
>> think of L3 solutions.... all the telcos, cable-cos, and utilities in
>> this space only do L2  to the cell site.... even though they all use
>> the same Juniper and ALU gear that does L3 too ...
>>
> 
> Curious, do you think this will last? Thought LTE is all-IP. Why is there a
> need for L2 other than raw bandwidth from Ethernet links?

They're talking backhaul between the node-b base-stations and the radio
network controller...

All the traffic from the handsets is encapsulated between those two
points so it's link and network layer agnostic.

> Thanks!
> 
> Ping
>