[134148] in North American Network Operators' Group
Re: Muni Fiber Last Mile - a contrary opinion
daemon@ATHENA.MIT.EDU (Owen DeLong)
Mon Dec 27 01:08:05 2010
From: Owen DeLong <owen@delong.com>
In-Reply-To: <!&!AAAAAAAAAAAuAAAAAAAAAKTyXRN5/+lGvU59a+P7CFMBAN6gY+ZG84BMpVQcAbDh1IQAAAATbSgAABAAAAAadEBsGgR6Rrv0gnEpXDE0AQAAAAA=@iname.com>
Date: Sun, 26 Dec 2010 22:04:33 -0800
To: <frnkblk@iname.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Dec 26, 2010, at 7:35 PM, Frank Bulk - iName.com wrote:
>=20
>> -----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
>>=20
>> On Dec 26, 2010, at 4:37 PM, Jared Mauch wrote:
>>=20
>>> 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.
>>>=20
>> 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.
>=20
> [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.
>=20
In California, that is, by and large, the CO.
>>=20
>>> 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.
>>>=20
>> If nothing else, I expect various other components in the system =
(trunk
>> overload, switch dialtone exhaustion, etc.)
>> in anything major anyway.
>>=20
>> However, 24 hours of dialtone after something happens still exceeds =
the
>> average cablemodem duration after the
>> power flickers.
>=20
> [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.
>=20
Does that back up the cablemodem in the residence? If not, game over.
Owen
