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From: Bob McMahon <bob.mcmahon@broadcom.com>
To: Rich Brown <richb.hanover@gmail.com>
Cc: make-wifi-fast@lists.bufferbloat.net
Subject: Re: [Make-wifi-fast] sophgo risc-v wifi6 chip
Date: Mon, 29 Jul 2024 10:01:37 -0700	[thread overview]
Message-ID: <CAHb6LvreWVyHHcdBmgX2RE3vUzcCcQn1uY_GWQppdb1RAc=bmw@mail.gmail.com> (raw)
In-Reply-To: <25576C4C-91D3-4050-82C8-49D1A6C417D8@gmail.com>


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yes, and it could be made in a pluggable form similar to the SFP. The
waveguides and the antenna are "one and done" for a building, can be put
behind walls, 40-80 year lifetime, etc. The part that is changing and
gets deprecated every few years by large amounts of invested NRE is the
Wi-Fi chips themselves. The thing that fails are lasers or optics (that's
part of the reason optics are pluggable in data centers.) So incorporating
Wi-Fi analog & digital and the optics (and optics DSP, if needed) on the
same pluggable, low power, part is a very good form factor. The upgrade
cycle is about every 2 years, for those that want the newer 802.11 features
as that standard continues to evolve.

Also, if pacing/ECN actually works at scale then the Wi-Fi chip is further
simplified, doing L4S marking. The packet stuff can be done in a Fi-Wi
concentrator that is 802.3 frame aware or at the host CCAs and the Wi-Fi
chip need worry about packets (which are an artifact.)  Just be a very good
pacer that marks in a way that Wi-Fi receives 802.11 transmits for a local
optimum, e.g. correlated with the MAC access (EDCA) and the aggregation and
the MCS and possibly bulk vs interactive.

Bob

On Mon, Jul 29, 2024 at 5:03 AM Rich Brown via Make-wifi-fast <
make-wifi-fast@lists.bufferbloat.net> wrote:

>
>
> On Jul 28, 2024, at 12:00 PM, make-wifi-fast-request@lists.bufferbloat.net
> wrote:
>
> Here, the solutions need to be in full transistors
> (and very low power and very secure.) ... Wi-Fi doesn't need to be
> managed by a complex workstation and 30+ years of software bloat.
>
>
> If I understand the argument, it's that we should have a pared-down Wi-Fi
> chip that does exactly one thing, and does it well. It should implement all
> the best practices (TXQs, ATF, AQL, etc.) to make it (more) secure, deliver
> the best performance (speed & latency).
>
> The fact that the algorithms are permanently welded into the silicon
> doesn't really matter: in practice, "no one ever updates their Wi-Fi
> drivers" in the bazillions of off-the-shelf routers on the market. They
> might as well have a good implementation.
>
> Do I have that right? Thanks.
>
> Rich
> _______________________________________________
> Make-wifi-fast mailing list
> Make-wifi-fast@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/make-wifi-fast

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  reply	other threads:[~2024-07-29 17:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.1.1722182401.12366.make-wifi-fast@lists.bufferbloat.net>
2024-07-29 12:03 ` Rich Brown
2024-07-29 17:01   ` Bob McMahon [this message]
2024-07-26 22:57 Dave Taht
2024-07-27 21:23 ` Bob McMahon

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