netdev - Re: [PATCH net-next v2 00/12] Begin upstreaming Homa transport protocol

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Message-ID: <CAGXJAmy2LybL-2-JJy+FJ69gozJkqD7vBOCiNvpdYyAgWOXWzA@mail.gmail.com>
Date: Wed, 13 Nov 2024 10:18:39 -0800
From: John Ousterhout <ouster@...stanford.edu>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, linux-api@...r.kernel.org
Subject: Re: [PATCH net-next v2 00/12] Begin upstreaming Homa transport protocol

On Tue, Nov 12, 2024 at 5:48 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Mon, 11 Nov 2024 15:39:53 -0800 John Ousterhout wrote:
> > This patch series begins the process of upstreaming the Homa transport
> > protocol. Homa is an alternative to TCP for use in datacenter
> > environments. It provides 10-100x reductions in tail latency for short
> > messages relative to TCP. Its benefits are greatest for mixed workloads
> > containing both short and long messages running under high network loads.
> > Homa is not API-compatible with TCP: it is connectionless and message-
> > oriented (but still reliable and flow-controlled). Homa's new API not
> > only contributes to its performance gains, but it also eliminates the
> > massive amount of connection state required by TCP for highly connected
> > datacenter workloads.
>
> Hi John!
>
> Thanks for pushing forward! I wanted to give you a heads up that we're
> operating at 50% maintainer capacity for the next 2 weeks so the
> reviews may be more muted than usual. Don't hesitate to post new
> versions (typically ~once a week) if you want to address any incoming
> feedback and/or the build issues.

Thanks for letting me know.

-John-