Hi Alexandre,
On 17 December 2023 18:32:39 CET, Alexandre Petrescu via Starlink
<starlink@lists.bufferbloat.net> wrote:
>
>Le 15/12/2023 à 16:46, Livingood, Jason a écrit :
>[...]
>> The notion that a home user needs 25G or more these days is ridiculous. ;-)
>:-) yes and no.
>If one had a 25 gbit/s line arriving at home one might want to try multiple TV
>3D 8K viewers
[SM] To be useful this arguably requires multiple pairs of eyeballs
though and the respektive sreens/vr goggles. And the stomach to actually
tolerate 3D...
and recordings, while ongoing DSD4096 5.1 audio streamings (even 11.1).
>Besides, 25gbit/s might feature such a low latency
[SM] Serialisation delay, the one delay that mostly scales inversely to
access rate tends to be in the noise well below 25Gbps. See e.g. here
https://wiki.geant.org/display/public/EK/SerializationDelay serialisation delay
of a single 1500 Byte packet at 1 Gbps sits at 12 μs that is a queue of ~80 of
these has an aggregate serialization delay of ~1ms. I think it is safe to say
that well below 25Gbps serialization delay stops becoming dominant...
that many existing apps (telemedecine including) might work much better.
[SM] I severely daubt that telemedicine is going to notice much
difference once we are above the required bitrate for the video codec :)
Side note: I might be an unfrozen/rethawed caveman, but I consider telemedicine
not a 'killer' app (sorry, bad terminology) for large capacity access links.
Regards
Sebastian
>Alex
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