Re: Muni Fiber Last Mile - a contrary opinion

[Owen DeLong <owen () delong com>]

On Dec 26, 2010, at 7:35 PM, Frank Bulk - iName.com wrote:

> > -----Original Message-----
> > From: Owen DeLong [mailto:owen () delong com]
> > Sent: Sunday, December 26, 2010 9:11 PM
> > To: Jared Mauch
> > Cc: NANOG
> > Subject: Re: Muni Fiber Last Mile - a contrary opinion
> >
> > On Dec 26, 2010, at 4:37 PM, Jared Mauch wrote:
> >
> > > You are likely already at the mercy of some local hut for your dialtone.
> > Very few things home run to the co these days. It's unlikely any hut has
> > more than 24 hours of battery.
> > >
> > I know this is true where FTTN overlays have been built. However, in the
> > majority of California, at least, that is still more the exception than
> > the
> > rule and there is usually a Cat-3 Copper home-run for local dialtone.
>
> [Frank Bulk]
> Here in the midwest each and every of the telcos that I've talked to or
> worked with feeds dialtone for their DSL customers from the same equipment
> that serves the DSL.  To do otherwise would require a splitter shelf in each
> node.
In California, that is, by and large, the CO.

> > > I have talked to local techs that make the same trip each shift to fuel
> > the generator during regular or minor power outages. Anything major,
> > expect the service to die.
> > >
> > If nothing else, I expect various other components in the system (trunk
> > overload, switch dialtone exhaustion, etc.)
> > in anything major anyway.
> >
> > However, 24 hours of dialtone after something happens still exceeds the
> > average cablemodem duration after the
> > power flickers.
>
> [Frank Bulk]
> Some MSOs (including ourselves) have power systems (e.g. Alpha) in place
> throughout the plant to provide backup power for at least some time.

Does that back up the cablemodem in the residence? If not, game over.

Owen