Cable Operator List

Colton Conor colton.conor at gmail.com
Tue Feb 9 20:32:58 UTC 2016


Yes, I looked at CASA, but their small unit is the C1G, which is an 8x8 max
DOCSIS 3.0 unit. Plus they want a high price point, almost quadruple what a
16X4 Pico Digital or Harmonic's unit cost. Not seeing the value or specs
there to justify it.

On Tue, Feb 9, 2016 at 2:26 PM, Steven Shalita <sshalita at comcast.net> wrote:

> Have you looked at Casa Systems?  They some smaller density MDU stuff.
>
> -Steve
>
> Sent from my iPhone. Please excuse any errors.
>
> > On Feb 9, 2016, at 12:20 PM, Colton Conor <colton.conor at gmail.com>
> wrote:
> >
> > Scott,
> >
> > Have any idea which exact vendors and model numbers are within this price
> > range? So far I have just found mini CMTS systems like the Pico and
> > Harmonic's. Both of these are a 16x4 configuration, but no mention of
> > remote MAC+PHY nor DOSIS 3.1. Then their is Huawei's solution, but still
> I
> > think that's more based on C-DOCSIS. Searching the vendors websites you
> > recommended show no results for remote MAC+PHY in a small format.
> >
> >> On Tue, Feb 2, 2016 at 2:44 PM, Scott Helms <khelms at zcorum.com> wrote:
> >>
> >> Colton,
> >>
> >> D3.1 gear is just coming online right now.  If you're going to go with
> the
> >> smaller PHY+MAC approach I'd just make sure the company has plans to
> update
> >> their boxes to 3.1 in a decent (your judgement) amount of time.  Don't
> >> expect any 3.0 box to be software upgradeable to 3.1, the hardware is
> quite
> >> different.  The PHY+MAC boxes are _generally_ < $10k and some are
> talking
> >> about ~6k.
> >>
> >> All the vendors we've listed so far have plans for 3.1, but I don't
> have a
> >> timeline for any of them.  Right now the market is still trying to
> decide
> >> how modular CMTS will be rolled out, remote PHY, remote MAC+PHY, or a
> >> combination.  For example, Cisco is (for the moment) betting that remote
> >> PHY economics will be compelling for the larger operators, while Arris
> is
> >> doing both approaches.
> >>
> >>
> >> Scott Helms
> >> Chief Technology Officer
> >> ZCorum
> >> (678) 507-5000
> >> --------------------------------
> >> http://twitter.com/kscotthelms
> >> --------------------------------
> >>
> >> On Tue, Feb 2, 2016 at 3:31 PM, Colton Conor <colton.conor at gmail.com>
> >> wrote:
> >>
> >>> Is a remote MAC+PHY the same thing as a Distributed Converged Cable
> >>> Access Platform (D-CCAP) solution like Huawei is pushing? Is DOCSIS 3.1
> >>> even out, or am I looking for something that does not exist yet?
> >>>
> >>> Are these remote MAC+PHY devices in the under 10K price range that
> these
> >>> smaller all in one CMTS platforms are?
> >>>
> >>>> On Tue, Feb 2, 2016 at 12:49 PM, Scott Helms <khelms at zcorum.com>
> wrote:
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> On Tue, Feb 2, 2016 at 1:24 PM, Colton Conor <colton.conor at gmail.com>
> >>>> wrote:
> >>>>
> >>>>> Yes, we are in the USA. So based on everyones recommendations, I am
> >>>>> going to stay far away from EURODOCSIS. I was told be a vendor that
> >>>>> Arris and other USA FCC certified cable modems could easily be
> flashed to
> >>>>> EURODOCIS mode, so I did not think the CPE side was that big of a
> deal (is
> >>>>> that even true). I was not aware that there were so many differences
> >>>>> besides just the channel width.
> >>>>
> >>>> I wish this were the case, it would make my life easier.  The problem
> is
> >>>> that there is a diplex filter that prevents the upstream burst from
> being
> >>>> heard by the downstream receiver and for cost purposes all the D3 and
> >>>> earlier modems have fixed filters.  What that means is that a
> EuroDOCSIS
> >>>> modem can (sometimes) be flashed to use 6MHz channels, but the
> reverse is
> >>>> NOT true.  In any case we don't recommend using Euro modems that are
> >>>> flashed to US standards in production (nor do the vendors) because
> you'll
> >>>> see much more upstream leakage.
> >>>>
> >>>>
> >>>>>
> >>>>> So, assuming we are talking about DOCSIS only (and not EURODOCSIS),
> >>>>> what do you recommend? I like the idea of being able to upgrade to
> 3.1, but
> >>>>> not sure if there are any small systems capable of this? By small I
> mean
> >>>>> something that could feed less than 100 units, and be economical to
> do.
> >>>>> Cable has the advantage of cheap modems, so it's really the CMTS
> side.
> >>>>
> >>>> In that case I'd definitely go with a remote MAC+PHY.  That's the only
> >>>> way you're going to get a good price point and decent performance
> unless
> >>>> you want to use the secondary market, which actually isn't a bad idea
> right
> >>>> now.  A used 7225 with 8x8 blades is pretty cheap, but it's
> centralized
> >>>> CMTS that would cover ~3k subs.
> >>>>
> >>>>>
> >>>>> Please remember I am only interested in data internet services over
> >>>>> this plant. Something that works for garden style layouts where I
> can bring
> >>>>> fiber or coaxial to the side of a garden townhome that has between 4
> to 16
> >>>>> units inside of it. The reason I requested a harden outdoor unit is
> that
> >>>>> most all of the garden style properties have both the phone
> >>>>> and coaxial drops on the outside of the building. There is no central
> >>>>> closet or room. Plus we are in the south, so hardened for the
> >>>>> heat exposure makes sense.
> >>>>>
> >>>>> A remote MAC-PHY (or pre remote MAC-PHY, ala mini CMTS) sounds like
> >>>>> what I want. I will check into Huawei and Gainspeed. Who else makes
> these?
> >>>>
> >>>> In no particular order, Arris is or will be, Teleste (Euro vendor
> trying
> >>>> to break into the US),  Sumavision, Altera, and ton more I can't
> remember.
> >>>> Come to one of the SCTE shows (it's in Philadelphia this year) if you
> want
> >>>> to be deluged with them :)
> >>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>> On Tue, Feb 2, 2016 at 11:24 AM, Scott Helms <khelms at zcorum.com>
> wrote:
> >>>>>>
> >>>>>> Nick,
> >>>>>>
> >>>>>> Absolutely, if your plant is in Europe or one of the other areas
> (lots
> >>>>>> of Africa and the middle East is like that) that adopted EuroDOCSIS
> I'd
> >>>>>> agree wholeheartedly.  I didn't see Colton say where they're
> located, but
> >>>>>> all North America is the US flavor so that's what I assume on NANOG.
> >>>>>>
> >>>>>> That being said, the best thing that seldom gets mentioned about
> D3.1
> >>>>>> is getting us to unified channelization.
> >>>>>> Scott Helms wrote:
> >>>>>>> That very small upside for an extreme downside.Trying to hire
> someone
> >>>>>>> to work on your system with Euro channelization, not to mention
> >>>>>> buying
> >>>>>>> amplifiers and passives is a huge PITA.
> >>>>>>
> >>>>>> ... if your plant is in the US.
> >>>>>>
> >>>>>>> I have customers in Europe who
> >>>>>>> decided to do US DOCSIS and they universally wish they had used the
> >>>>>>> local "flavor".
> >>>>>>
> >>>>>> as you say, eurodocsis works well in europe.
> >>>>>>
> >>>>>> 3.1 will be a major improvement when it materialises.
> >>>>>>
> >>>>>> Nick
> >>
>


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