[LibreQoS] [Rpm] [Starlink] [Bloat] On FiWi

rjmcmahon rjmcmahon at rjmcmahon.com
Wed Mar 15 13:44:14 EDT 2023

My brother and I installed irrigation systems in Texas where it rains a 
lot. No problem with getting business. Digging trenches, laying & gluing 
PVC pipe, installing controller wires, etc is good, respectable work.

I wonder if too many white-collar workers avoided blue-collar work and 
don't understand that blue-collar workers actually are very interested 
in installing fiber (or Actifi) and being part of improving things.

> I think the big problem with this is users per domicile. It's easy
> enough to support one floor of a residence with a single AP. There is
> an upper limit on the bandwidth that one user can ever require. It is
> probably what is needed for full-sphere VR at the perceptual limit. We
> have long achieved the perceptual limit of ears, on top of that we
> have a lot of tweaking and self-deception. We will get to the limit of
> eyes. Multiply this by eight users per domicile for a limit that most
> would fit in. We can probably do that with one AP. The additional
> equipment and maintenance outlay for structural fiber and an AP per
> room doesn't really seem worth it.
> On Wed, Mar 15, 2023, 09:17 Aaron Wood <woody77 at gmail.com> wrote:
>> I like the general idea, especially if there was a site-wide
>> controller module that can do the sort of frequency allocation that
>> network engineers do in dense AP deployments today:  adjacent APs
>> run on different frequency bands so that they reduce the likelihood
>> of stepping on each others transmissions.
>> One of the biggest knowledge gaps that I see people have around
>> wireless is that it IS a shared medium.  It both is, and isn’t a
>> bus.  Shared like a bus, but with the hidden transmissions that
>> remove the csma abilities that get with a bus.
>> But the main issue will be deployment.  This would be great for
>> commercial buildings that get retrofitted every decade or so with
>> new gear.
>> This will be near-impossible in the US except for new construction
>> or big remodels of existing structures.  The cost of opening the
>> walls to run the fiber will make the cost of the hardware itself
>> insignificant.
>> OTOH, because the STAs aren’t specialized, the existing ones
>> “just work”, and so you don’t have the usual bootstrap issue
>> that plagues tech like zigbee and Zwave, where there isn’t enough
>> infra to justify the devices, or not enough devices to justify the
>> infra.
>> -Aaron
>> On Tue, Mar 14, 2023 at 10:21 PM Bruce Perens via Rpm
>> <rpm at lists.bufferbloat.net> wrote:
>> On Tue, Mar 14, 2023 at 5:11 PM Robert McMahon
>> <rjmcmahon at rjmcmahon.com> wrote:
>> the AP needs to blast a CTS so every other possible conversation has
>> to halt.
>> The wireless network is not a bus. This still ignores the hidden
>> transmitter problem because there is a similar network in the next
>> room.
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>  --
> - Sent from my iPhone.

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