[187507] in North American Network Operators' Group
Re: Cable Operator List
daemon@ATHENA.MIT.EDU (jamie rishaw)
Wed Feb 3 04:15:44 2016
X-Original-To: nanog@nanog.org
In-Reply-To: <CAMrdfRwW5pqFs9UO0UxzEPMvb4mfx4mk1hOxpYaPSfjQqmGa+Q@mail.gmail.com>
Date: Tue, 2 Feb 2016 21:16:46 -0600
From: jamie rishaw <j@arpa.com>
To: Scott Helms <khelms@zcorum.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
56k's for everyone!
Lets bring the #OldInternet back!
On Tue, Feb 2, 2016 at 10:03 AM, Scott Helms <khelms@zcorum.com> wrote:
> Colton,
>
> You're only going to find very small, old, or not certified (usually stil=
l
> very small) CMTSs that only do layer 2. All of the major vendors are doi=
ng
> layer 3 because we've found out over time that not doing it is more
> problematic. Having said that, if you're looking for a more ONT/DSLAM ty=
pe
> of install there is a new type of CMTSs that look at lot like traditional
> telco DLC/BLC deployments.
>
> https://intx15.ncta.com/wp-content/uploads/2015/05/17-Remote-PHY.pdf
>
> The remote PHY+MAC boxes are basically mini-CMTSs and they typically rely
> on something upstream handling layer 3. The remote PHY boxes are differe=
nt
> as they don't even do a complete layer 2 and instead forward DOCSIS frame=
s
> back to a centralized CMTS/CCAP.
>
>
>
> Scott Helms
> Chief Technology Officer
> ZCorum
> (678) 507-5000
> --------------------------------
> http://twitter.com/kscotthelms
> --------------------------------
>
> On Tue, Feb 2, 2016 at 10:43 AM, Colton Conor <colton.conor@gmail.com>
> wrote:
>
> > Graham,
> >
> > What is DSG? Yes, I am really looking for a CMTS to perform layer 2 jus=
t
> as
> > our DSLAMs and GPON do today. All layer 3 will be upstream. I would wan=
t
> to
> > handle DHCP upstream, but have the CMTS insert Option 82 if that is a
> > feature. Not sure what specific CMTS stuff you need.
> >
> > On Tue, Feb 2, 2016 at 8:12 AM, Graham Johnston <
> johnstong@westmancom.com>
> > wrote:
> >
> > > Colton,
> > >
> > > It really depends on what features you are after. I've demo'd one of
> the
> > > small 1/2RU C-DOCSIS CMTSs, and they certainly work. For us though i=
t
> > was
> > > a non-starter as we needed support for DSG and it didn't have it. If
> all
> > > you are after is basic internet connectivity there is Pico Digital,
> > Vecima,
> > > Sumavision, as well as others. Many of the C-DOCSIS CMTSs seem eithe=
r
> > only
> > > support, or are more often meant to support layer 2 operations where
> the
> > > routing happens upstream from the CMTS.
> > >
> > > Graham Johnston
> > > Network Planner
> > > Westman Communications Group
> > > 204.717.2829
> > > johnstong@westmancom.com
> > > =EF=81=90=EF=80=A0think green; don't print this email.
> > >
> > >
> > > -----Original Message-----
> > > From: NANOG [mailto:nanog-bounces@nanog.org] On Behalf Of Colton Cono=
r
> > > Sent: Tuesday, February 02, 2016 8:00 AM
> > > To: Daniel Corbe
> > > Cc: NANOG
> > > Subject: Re: Cable Operator List
> > >
> > > Well, maybe NANOG's not a bad place for this post then! I would like =
to
> > > know more about the data-only side of CMTS systems, and who the main
> > > vendors are.
> > >
> > > We have MDU properties where there is either old inside CAT3 phone
> wire,
> > or
> > > coaxial cable. We have looked and are very familiar with the multiple
> > > technologies that work over phone lines namely VDSL2 and G.FAST.
> However,
> > > using the coaxial cable seems to be a much better solution than using
> the
> > > phone wires.
> > >
> > > So I am looking for compacts, low cost CMTS systems. Based on the
> specs,
> > I
> > > am looking for something at least DOCSIS 3.0 capable, with at least
> 16X4
> > > output. Something with the ability to upgrade to software upgrade to
> > DOCSIS
> > > 3.1 would be nice, but I doubt that would be a low cost solution.
> > >
> > > Whats out there for small operators that don't want a large chassis
> based
> > > system to feed an entire town with.
> > >
> > > So far I have found the
> > > http://picodigital.com/product-details.php?ID=3DminiCMTS200a which se=
ems
> > to
> > > retail for under $5000.
> > >
> > >
> > > On Tue, Feb 2, 2016 at 7:48 AM, Daniel Corbe <dcorbe@hammerfiber.com>
> > > wrote:
> > >
> > > >
> > > > > On Feb 2, 2016, at 8:42 AM, Colton Conor <colton.conor@gmail.com>
> > > wrote:
> > > > >
> > > > > Are there any mailing lists out there dedicated for cable/MSO typ=
e
> > > > > operators?
> > > > >
> > > >
> > > > I'm curious about this too.
> > > >
> > > > I=E2=80=99m not a cable operator (in that I haven=E2=80=99t success=
fully registered
> > for a
> > > > cable franchise yet) but I do operate a docsis network and I=E2=80=
=99ve
> > > > successfully negotiated the treacherous waters of obtaining and
> > providing
> > > > content to my users.
> > > >
> > > > I=E2=80=99m still a bit green behind the ears but I could probably =
offer some
> > > > measure of assistance if you have a specific question.
> > > >
> > > > -Daniel
> > > >
> > > >
> > >
> >
>
--=20
// jamie rishaw //
"*My religion is very simple. My religion is kindness."*
- the 14th Dalai Lama; =E0=BD=96=E0=BD=A6=E0=BE=9F=E0=BD=93=E0=BC=8B=E0=
=BD=A0=E0=BD=9B=E0=BD=B2=E0=BD=93=E0=BC=8B=E0=BD=A2=E0=BE=92=E0=BE=B1=E0=BC=
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