| I pretty much agree completely. The place it normally gets interesting with this approach is where exactly do you put the demark, especially in the FTTN world. Since you are going to most likely want the public utility to own the DSLAMs in areas with low/medium (eg, suburbs) population density, because the area covered by a cabinet is so small (because technologies like VDSL2+ have such a small optimal zone) and rack space in cabinets is normally at a high premium. You are also going to most likely want the public utility to own the fibre backhaul from the cabinets to a central exchange. Because of port density constraints and the fact that the DSLAM is probably going to need to be managed by the public utility to stop access seekers doing silly things that affect other access seekers customers. Now the public utility is also going to need some Ethernet switches to split this out to the various access seekers. Then you have issues of regional backhaul etc... The issues are different again with the PON (Passive optical networks) family of technologies, but you can pretty much swap DSLAM for POLT, though the customer densities change the economics a bit. With ISPs handling regional level aggregation and backhaul would probably be the optimal level in my mind at this point in time. But it is becoming interesting what the ISPs role really is anymore, once you take such a large amount of the infrastructure management off their hands. Since it would seem to be in between a traditional consumer ISP and an ISP that purely does transit. |