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posted by Fnord666 on Monday October 16 2017, @07:11PM   Printer-friendly
from the quite-a-'bit'-faster dept.

Tired of slow internet connections? CableLabs announces a new version of DOCSIS 3.1 (Data Over Cable Service Interface Specification) with Full Duplex 10Gbps connectivity. From an article at The Register:

Which is why an announcement by the cable industry's research and development arm, CableLabs, this week is such good news. The organization has completed work on an upgrade to the next-generation DOCSIS 3.1 spec that in the next few years will replace the "M" in Mbps with a "G" for gigabit.

DOCSIS 3.1 is the cutting edge of home cable technology, and big players such as Comcast in the US are testing it in specific markets with a new generation of modems. That testing and rollout of near-gigabit broadband in the US, UK, Canada and beyond has been somewhat marred, though, by the fact that high-speed DOCSIS 3.1 home gateways powered by Intel Puma chips suffer from annoying latency jittering under certain conditions, and can be trivially knocked offline by attackers. No fixes are available.

Those hardware problems aside, the DOCSIS 3.1 spec has another issue: it sticks to the age-old sucky 10-to-1 downlink-uplink ratio.

No longer with the Full Duplex Data Over Cable Service Interface Specification. Full Duplex DOCSIS 3.1 will allow broadband subscribers – in the next two years – to benefit from up to 10Gbps both up and down. And it will be possible on existing household connections rather than requiring the installation of new fiber.

[...] You can find out more about Full Duplex DOCSIS 3.1 on the CableLabs website.

So, you could reach your monthly 1 TB data cap allowance in just under 3 hours, assuming, of course that the upstream link is not so oversubscribed that you only actually get a fraction of that.

All kidding aside, that is a huge speed improvement. A quick back-of-the-envelope calculation suggests that a 100GB BDXL Blu-ray disk could be downloaded in about 2 minutes. As the connection is full-duplex, it could be uploaded in about 2 minutes, too.

I can't even think of anything where that kind of speed would be useful in a home, except for making for speedier downloads of game/OS updates/installs and maybe for offsite backups.


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  • (Score: 2) by FatPhil on Tuesday October 17 2017, @09:36AM

    by FatPhil (863) <{pc-soylent} {at} {asdf.fi}> on Tuesday October 17 2017, @09:36AM (#583380) Homepage
    > From your own link:
    >
    > > To beg the question is to assume the truth of the conclusion of an argument in the premises in order for the conclusion to follow... the conclusion is assumed to be true in the premise.
    >
    > As applied to this article summary: "it sticks to the age-old sucky 10-to-1 downlink-uplink ratio"
    >
    > Conclusion it sticks to the age-old sucky 10-to-1 downlink-uplink ratio
    > Premises a 10-to-1 downlink-uplink ratio is sucky

    Equivocation - you're letting "the question" apply to two different things. (A term in the original argument, and then a new question by the person following up.)

    > Contrary to what you believe, people do properly use the term.

    Nope. People are using it more and more in the improper way such that it is in the process of becoming a second and acceptable different meaning for the phrase.

    Eventually it will probably become the primary meaning. The original phrasing was clumsy, it would have been better to just call the concept "assuming your own conclusions". But the new meaning simply shows a lack of both understanding (of the traditional meaning of the phrase) and of imagination - what's wrong with "inviting a question" or "raising a question"?
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