From: Eric Dumazet <eric.dumazet@gmail.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Eric Dumazet <eric.dumazet@gmail.com>
Cc: brakmo <brakmo@fb.com>, netdev <netdev@vger.kernel.org>,
Martin Lau <kafai@fb.com>, Alexei Starovoitov <ast@fb.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Kernel Team <Kernel-team@fb.com>
Subject: Re: [PATCH bpf-next 0/7] bpf: Propagate cn to TCP
Date: Tue, 26 Mar 2019 11:07:19 -0700 [thread overview]
Message-ID: <1dbe30ea-590b-e1dd-f9a5-7de455f355b3@gmail.com> (raw)
In-Reply-To: <20190326170112.h5jxmd7ji2jwqi5u@ast-mbp>
On 03/26/2019 10:01 AM, Alexei Starovoitov wrote:
> The next tcp congestion control algorithm should be implementable in bpf.
Congestion control do not need per-packet decision, and can indeed be
implemented in bpf.
Some researchers even have implemented them in user space (CCP if I remember well)
> If kernel was extensible to that degree likely there would have been
> no need to bypass it and invent quic.
QUIC is a complete re-design, and works around fundamental things
that TCP can not change.
bpf in TCP could not have changed the rise of QUIC or any other
modern transport, really.
Lets stop this discussion, we are digressing :)
next prev parent reply other threads:[~2019-03-26 18:07 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-23 8:05 [PATCH bpf-next 0/7] bpf: Propagate cn to TCP brakmo
2019-03-23 8:05 ` [PATCH bpf-next 1/7] bpf: Create BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY brakmo
2019-03-23 8:05 ` [PATCH bpf-next 2/7] bpf: cgroup inet skb programs can return 0 to 3 brakmo
2019-03-23 8:05 ` [PATCH bpf-next 3/7] bpf: Update __cgroup_bpf_run_filter_skb with cn brakmo
2019-03-23 8:05 ` [PATCH bpf-next 4/7] bpf: Update BPF_CGROUP_RUN_PROG_INET_EGRESS calls brakmo
2019-03-23 8:05 ` [PATCH bpf-next 5/7] bpf: sysctl for probe_on_drop brakmo
2019-03-23 8:05 ` [PATCH bpf-next 6/7] bpf: Add cn support to hbm_out_kern.c brakmo
2019-03-23 8:05 ` [PATCH bpf-next 7/7] bpf: Add more stats to HBM brakmo
2019-03-23 9:12 ` [PATCH bpf-next 0/7] bpf: Propagate cn to TCP Eric Dumazet
2019-03-23 15:41 ` Alexei Starovoitov
2019-03-24 5:36 ` Eric Dumazet
2019-03-24 16:19 ` Alexei Starovoitov
2019-03-25 8:33 ` Eric Dumazet
2019-03-25 8:48 ` Eric Dumazet
2019-03-26 4:27 ` Alexei Starovoitov
2019-03-26 8:06 ` Eric Dumazet
2019-03-26 15:07 ` Alexei Starovoitov
2019-03-26 15:43 ` Eric Dumazet
2019-03-26 17:01 ` Alexei Starovoitov
2019-03-26 18:07 ` Eric Dumazet [this message]
2019-03-26 8:13 ` Eric Dumazet
2019-03-24 5:48 ` Eric Dumazet
2019-03-24 1:14 ` Lawrence Brakmo
2019-03-24 5:58 ` Eric Dumazet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1dbe30ea-590b-e1dd-f9a5-7de455f355b3@gmail.com \
--to=eric.dumazet@gmail.com \
--cc=Kernel-team@fb.com \
--cc=alexei.starovoitov@gmail.com \
--cc=ast@fb.com \
--cc=brakmo@fb.com \
--cc=daniel@iogearbox.net \
--cc=kafai@fb.com \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).