56k's for everyone! Lets bring the #OldInternet back! On Tue, Feb 2, 2016 at 10:03 AM, Scott Helms <[email protected]> wrote:
> Colton, > > You're only going to find very small, old, or not certified (usually still > very small) CMTSs that only do layer 2. All of the major vendors are doing > 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 type > 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 different > as they don't even do a complete layer 2 and instead forward DOCSIS frames > 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 <[email protected]> > wrote: > > > Graham, > > > > What is DSG? Yes, I am really looking for a CMTS to perform layer 2 just > as > > our DSLAMs and GPON do today. All layer 3 will be upstream. I would want > 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 < > [email protected]> > > 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 it > > 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 either > > 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 > > > [email protected] > > > think green; don't print this email. > > > > > > > > > -----Original Message----- > > > From: NANOG [mailto:[email protected]] On Behalf Of Colton Conor > > > 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=miniCMTS200a which seems > > to > > > retail for under $5000. > > > > > > > > > On Tue, Feb 2, 2016 at 7:48 AM, Daniel Corbe <[email protected]> > > > wrote: > > > > > > > > > > > > On Feb 2, 2016, at 8:42 AM, Colton Conor <[email protected]> > > > wrote: > > > > > > > > > > Are there any mailing lists out there dedicated for cable/MSO type > > > > > operators? > > > > > > > > > > > > > I'm curious about this too. > > > > > > > > I’m not a cable operator (in that I haven’t successfully registered > > for a > > > > cable franchise yet) but I do operate a docsis network and I’ve > > > > successfully negotiated the treacherous waters of obtaining and > > providing > > > > content to my users. > > > > > > > > I’m still a bit green behind the ears but I could probably offer some > > > > measure of assistance if you have a specific question. > > > > > > > > -Daniel > > > > > > > > > > > > > > -- // jamie rishaw // "*My religion is very simple. My religion is kindness."* - the 14th Dalai Lama; བསྟན་འཛིན་རྒྱ་མཚོ་
