On 1/30/11 1:13 PM, Ping Pan wrote: > On Sun, Jan 30, 2011 at 12:55 PM, Cameron Byrne <cb.li...@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 >