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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: 4, Informative) by frojack on Monday October 16 2017, @08:30PM (3 children)

    by frojack (1554) on Monday October 16 2017, @08:30PM (#583144) Journal

    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.

    Two or three security cams streaming to remote storage 24/7.
    Two or three Teenagers streaming content, gaming, face (and genital) chatting.
    A couple TVs streaming high bandwidth video content with or without anyone watching.
    No less than 3 Android/IOS devices PER Person constantly connected gobbling facebook updates, checking mail, surfing the web.
    A couple of machines running bittorrent 24/7, including some totally forgotten about by their owners, downloading and uploading Linux Distros or 4K Movies, pirated or not.
    Some actual web surfing and shopping.
    An ever increasing number of useless IOT things sitting around the house listening to your every word and transmitting them to Google or Amazon.
    Samsung watching you watching your TV.

    Nobody going outside for days on end.

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  • (Score: 2) by takyon on Monday October 16 2017, @08:54PM (1 child)

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Monday October 16 2017, @08:54PM (#583158) Journal

    360-degree VR telepresence, teledildonics, brain-to-brain communication [theguardian.com]....

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    • (Score: 3, Interesting) by c0lo on Monday October 16 2017, @09:28PM

      by c0lo (156) Subscriber Badge on Monday October 16 2017, @09:28PM (#583173) Journal

      brain-to-brain communication

      Heh, this is a tough one, it requires both ends to connect to a brain.

      You think I'm kidding? Hey, Alexa, ...? Ok, Google, .... Siri, is Cortana still alive?
      See? Most of the time there's an "AI" on one end and a nerve ganglion at the other.

      (grin)

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  • (Score: 2) by c0lo on Monday October 16 2017, @09:12PM

    by c0lo (156) Subscriber Badge on Monday October 16 2017, @09:12PM (#583167) Journal

    All of the above xor... Windows 10 telemetry (boom tishhh!)

    (shit, I can't grin over this one, too lamely close to reality)

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