On Feb 2, 2013, at 11:23 AM, Jean-Francois Mezei <jfmezei_na...@vaxination.ca> wrote:
> On 13-02-02 10:36, Jay Ashworth wrote: > >> Yes, but everyone on a splitter must be backhauled to the same L1 provider, >> and putting splitters *in the outside plant* precludes any other type >> of L1 service, *ever*. So that's a non-starter. > > > If you have 4 ISPs, why not put 4 splitters in the neighbourhood ? > Individual homes can be hooked to any one of the 4 splitters, and you > then only need 4 strands between splitter and CO. > > I understand that having strands from CO to Homes is superior at the > technical point of veiw and gives you more flexibility for different > services (including commercial services to a home while the neighbour > gets residential services). > > But if strands from CO to homes is so superior, how come telcos aren't > doing it and are using GPON instead ? > Because Telcos are optimizing for different parameters. They want the cheapest way to provide an adequate solution by today's standards and, where possible, to discourage competition. They want to offer a very small number of very standardized products. GPON with splitters in the neighborhood meet those goals. Hopefully, a city has a somewhat opposite set of goals. To provide a quality infrastructure for many years to come which encourages and supports the development of a vibrant and competitive market for a wide variety of services. Owen