From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id C10433CB39 for ; Wed, 4 Aug 2021 16:08:15 -0400 (EDT) Received: by mail-ej1-x62f.google.com with SMTP id hw6so5482224ejc.10 for ; Wed, 04 Aug 2021 13:08:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hackaday-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=lojA5C1/003bmGpihcWlXF8j0wngRIzsxTwzcwBTsl8=; b=Y0lidg+axeJdPAfY8q/zeyM3N5chbRvi0nwdFI82LYcbWCCxexoIEWELFR9BjQnsen etC5yFkM3bgtEfJiLMylmXozbltYDovljh1mI8wIT8luwtxWzFuHhhZBYgDHg3BO9PRd Jd7EIdhq+N0ep7iu4BN6O4OLzQT6WzwglfaaR6T4BliJR0VUrSj/FTl9Y9GT2b9d8nEC ISYFTGij48xRkqXZFuaK7gNualWN2tD/CgOAWsagSc4Kg3q40JlK0sz/MAPgzDSPqzvo YhiD67Y1Ctia1MPxNnrNbE5PKEP9wGVxbI1u3HJcKeZKroYlad8GRkMyD2USyltISsJW aq+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=lojA5C1/003bmGpihcWlXF8j0wngRIzsxTwzcwBTsl8=; b=HBBCxGRD+ArfHCKVb8/4V3iOyJ+2aC6P21W66UCY45qfIoarGxeTXoR7btbnKSGDL+ esJ0uODZ5SCROE6zUImwi+sNhlPjzP/AT2B9Q4NNa2Jb6pEJAm0eGXjfpDzwLpcThch4 qXmZ9froHkX/eqDmKO9HssowiXEhI+t+QEHEH+kV4dm/OZI+WcgtNKxD5z+Y7YdBmwkq Mjt3W0OQxVj9sRjpAUnDE+2LPbpIQguTpdqQwWfT5IvA+dl0pEXcsT30X7ZJjALM3cgX LA06Gsf1ybfdyeppm4cvI0RCGRLjrCUDMc5KdxiU7Jn+49O+v7ZezsbXB107AUTneaq3 QtZQ== X-Gm-Message-State: AOAM532gOyplLSh0VHov1sPOHdvp1hIJHsw0FPhdhdeQj4cHFU1ia/bu zJqEpIXhN110sP3rF8IXrOLzWbjOfqves8qO3CPjVw== X-Google-Smtp-Source: ABdhPJzSUtkTJaIllMUXW/3iMYe6sDFlTfd+ILv2j6GTZQP7C2i4NlLVeTLBZ9CEUrRg159iImSJNiumb07JCQdpbUk= X-Received: by 2002:a17:906:e089:: with SMTP id gh9mr936345ejb.80.1628107694751; Wed, 04 Aug 2021 13:08:14 -0700 (PDT) MIME-Version: 1.0 References: <058681B8-89EB-42ED-8E82-4048BA3C9504@cable.comcast.com> <649DC4B024D74B8BA6926ABFCD52DC79@SRA6> <5C65BC6E-1ABD-4432-B2CE-AC8BACDA363D@gmx.de> <87wnp1kqoj.wl-jch@irif.fr> In-Reply-To: From: Jonathan Bennett Date: Wed, 4 Aug 2021 15:08:03 -0500 Message-ID: To: Jonathan Morton Cc: Juliusz Chroboczek , starlink@lists.bufferbloat.net, Mikael Abrahamsson via Bloat , Sebastian Moeller Content-Type: multipart/alternative; boundary="000000000000cd5bd605c8c15c4b" Subject: Re: [Starlink] [Bloat] Of interest: Comcast AQM Paper X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Aug 2021 20:08:15 -0000 --000000000000cd5bd605c8c15c4b Content-Type: text/plain; charset="UTF-8" > > > The Compute Module 4 exposes the same integrated Ethernet port, and a > PCIe lane in place of the USB 3 chipset (the latter being attached to > the former in the standard Pi 4B). This obviously allows attaching at > least one real GigE port (with a free choice of PCIe-based chipset) at > full line rate, without the intermediate step of USB. I think it > would be reasonable to include a small Ethernet switch downstream of > this, matching the connectivity of typical CPE on the LAN side. If a > PCIe switch is inserted, then a choice of Mini-PCIe Wifi cards can be > installed, with cables running to the normal array of external > antennae, sidestepping the problem of USB Wifi dongles. > I would hype the heck out of a router-style carrier board. I'd even buy a bunch myself, for that matter. I used to make good money by putting OpenWRT on cheap routers for small businesses. I've had good success chatting with Eben about Hackaday articles. If this were to become more than a pipe dream, we could reach out to him, to see if the Pi Foundation had any interest in backing a Pi router carrier board that beats bufferbloat. --Jonathan Bennett --000000000000cd5bd605c8c15c4b Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


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The Compute Module 4 exposes the same integrated Ethernet port, and a
PCIe lane in place of the USB 3 chipset (the latter being attached to
the former in the standard Pi 4B).=C2=A0 This obviously allows attaching at=
least one real GigE port (with a free choice of PCIe-based chipset) at
full line rate, without the intermediate step of USB.=C2=A0 I think it
would be reasonable to include a small Ethernet switch downstream of
this, matching the connectivity of typical CPE on the LAN side.=C2=A0 If a<= br> PCIe switch is inserted, then a choice of Mini-PCIe Wifi cards can be
installed, with cables running to the normal array of external
antennae, sidestepping the problem of USB Wifi dongles.
=C2=A0
I would hype the heck out of a router-style carrier boar= d.=C2=A0 I'd even buy a bunch myself, for that matter. I used to make g= ood money by putting OpenWRT on cheap routers for small businesses.=C2=A0

I've had good success chatting with Eben about = Hackaday articles. If this were to become more than a pipe dream, we could = reach out to him, to see if the=C2=A0Pi Foundation had any interest in back= ing a Pi router carrier board that=C2=A0beats bufferbloat.

--Jonathan Bennett
--000000000000cd5bd605c8c15c4b--