INTL 3:770/1 3:770/3
REPLYADDR tnp@invalid.invalid
REPLYTO 3:770/3.0 UUCP
MSGID:  13e79386
REPLY:  37efbbd8
PID: SoupGate-Win32 v1.05
On 29/11/2024 13:07, Michael Schwingen wrote:
> On 2024-11-28, Lawrence D'Oliveiro  wrote:
>>> No, as far as the wireless channel and the access point are concerned,
>>> these are two separate clients.  That they are attached to the same host
>>> does not matter, they will cooperate / share airtime.
>>
>> Regardless of how you look at it, they are colliding with each other.
>
> Yes, but CSMA/CA reduces that to a point where it works fine unless the
> channel is heavily loaded.
>
>> Having two interfaces on the same channel cannot magically double its
>> bandwidth.
>
> I never said that - of course they share the bandwidth, just like two
> separate clients do.  Noone installs one separate access point for every
> device they use (not only because you would run out of free channels quite
> quick, even with 5/6GHz) - multiple devices connected to a single AP is a
> standard, supported scenario. Even when one client does heavy up/downloads,
> the others will notice a slowdown, but not the packet loss problems that
> were the start of this thread.
>
>> And because both transmitters are so close to each other, that
>> aggravates the losses from frame collisions.
>
> How? Being close to each other, they can easily "see" when the channel is
> busy and will not step over each other's foot. Contrary, widely spaced
clients
> lead to the "hidden station" problem where two stations each "see" the
> access point, but not each other, and start to transmit at the same time.
>
> cu
> Michael

The point being wifi is as shit as coaxial ethernet was, and should be
avoided if at all possible

--
“It is dangerous to be right in matters on which the established
authorities are wrong.”

― Voltaire, The Age of Louis XIV

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