On Tue, 22 Jun 2021 23:04:18 +0000 "Livingood, Jason" <[email protected]> wrote:
> > For DOCSIS the issue seems to be an unfortunate frequency split between up > > and downstream and use of lower efficiency coding schemes. > > Performance really takes a big step forward once a person has a D3.1 modem in > their home, bringing OFDM and OFDMA as key advancements. Also in flux at the > moment is where the upstream split is in cable networks, which are moving to > mid-split or high-split designs that bring more upstream bandwidth. As well, > over the past 18+ months, most cable networks have added substantially more > upstream channels as well as performed quite a number of fiber node splits. > And that is just below the physical layer stuff - there's also a lot of work > at the software layer for modems and CMTSes that is quite interesting. > > JL > Also discovered that the cable modem I am using is one of the ones with the broken Intel Puma chipset (even a lawsuit about that). Will be changing it today. _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat
