[79747] in North American Network Operators' Group
RE: Anyone familiar with the SBC product lingo?
daemon@ATHENA.MIT.EDU (Hannigan, Martin)
Thu Apr 14 16:53:51 2005
Date: Thu, 14 Apr 2005 16:53:20 -0400
From: "Hannigan, Martin" <hannigan@verisign.com>
To: <Valdis.Kletnieks@vt.edu>,
"Luke Youngblood" <lyoungblood@phonechargeinc.com>
Cc: "Dan Lockwood" <dlockwood@shastacoe.org>, <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu
> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> Valdis.Kletnieks@vt.edu
> Sent: Thursday, April 14, 2005 4:35 PM
> To: Luke Youngblood
> Cc: 'Dan Lockwood'; nanog@merit.edu
> Subject: Re: Anyone familiar with the SBC product lingo?=20
>=20
>=20
> On Thu, 14 Apr 2005 16:15:41 EDT, Luke Youngblood said:
> >=20
> > SONET simply means you are on a Sonet ring: Two redundant=20
> connections to
> > the central office. If someone gets a little crazy with a=20
> backhoe your line
> > is guaranteed to stay up (ask about SLAs, and make sure=20
> they will refund
> > part of your monthly bill if you have an outage). That's=20
> why it costs over
> > twice as much.
>=20
> And remember to ask questions - make sure they've actually got the two
> connections routed differently. Remember that if the backhoe=20
> hits the conduit,
> *all* the fiber pairs go - and if both runs were in the same=20
> conduit, you're
> still dead....
>=20
> (Anybody here *NOT* seen cases where the 2 fibers leave the=20
> building on opposite
> sides, go down different streets - and rejoin 2 miles down=20
> the way because
> there's only one convenient bridge/tunnel/etc over the river,=20
> or similar?)
It's rare that the pairs *don't leave the building in a lateral
to the loop. Once you're into the metro, you're usually okay, but
yes, you need to check.
Most buildings only have 1 zero manhole so it's not feasible
to get a second diversified lateral and it doesnt make sense
to lease a second lateral on the same pathway.
-M<\\
>=20
