Development discussion of WireGuard
 help / color / mirror / Atom feed
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: "Toke Høiland-Jørgensen" <toke@toke.dk>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: [WireGuard] Major Queueing Algorithm Simplification
Date: Fri, 4 Nov 2016 17:36:18 +0100	[thread overview]
Message-ID: <CAHmME9q_BPdE3HZ5NpYx9mF2=EgrE54+8ygq-3OkaqtNxXSing@mail.gmail.com> (raw)
In-Reply-To: <87fun7cnil.fsf@toke.dk>

On Fri, Nov 4, 2016 at 3:45 PM, Toke H=C3=B8iland-J=C3=B8rgensen <toke@toke=
.dk> wrote:
> But really, instead of guessing why not measure?
>
> Simply run a `flent tcp_4up <hostname>` through the tunnel (requires a
> netperf server instance running on <hostname>) and look at the latency
> graph. The TCP flows will start five seconds after the ping flow; this
> shouldn't cause the ping RTT to rise by more than max ~10ms. And of
> course, trying this on a machine that does *not* have a gazillion
> megafast cores as well is important :)
>
> There's an Ubuntu PPA to get Flent, or you can just `pip install flent`.
> See https://flent.org/intro.html#installing-flent

I maintain the Gentoo package for Flent, actually. I'm doing some
benchmarks now...

      reply	other threads:[~2016-11-04 16:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-04 13:24 Jason A. Donenfeld
2016-11-04 14:45 ` Toke Høiland-Jørgensen
2016-11-04 16:36   ` Jason A. Donenfeld [this message]

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='CAHmME9q_BPdE3HZ5NpYx9mF2=EgrE54+8ygq-3OkaqtNxXSing@mail.gmail.com' \
    --to=jason@zx2c4.com \
    --cc=toke@toke.dk \
    --cc=wireguard@lists.zx2c4.com \
    /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).