Muni fiber: L1 or L2?

Sat Feb 2 18:04:10 UTC 2013

On Feb 2, 2013, at 2:19 AM, Eugen Leitl <eugen at leitl.org> wrote:

> On Fri, Feb 01, 2013 at 04:43:56PM -0800, Leo Bicknell wrote:
> 
>> The only place PON made any sense to me was extreme rural areas.
>> If you could go 20km to a splitter and then hit 32 homes ~1km away
>> (52km fiber pair length total), that was a win.  If the homes are
>> 2km from the CO, 32 pair (64km fiber pair length total) of home
>> runs was cheaper than the savings on fiber, and then the cost of
>> GPON splitters and equipment.  I'm trying to figure out if my assessment
>> is correct or not...
> 
> Is there any specific reason why muni networks don't use 1-10 GBit
> fiber mesh, using L3 switches in DSLAMs on every street corner?

Well, one reason is that, IMHO, the goal here is to provide a flexible
L1 platform that will allow multiple competing providers a low barrier
to entry to provide a multitude of competitive services.

Owen