netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Emmanuel Jeanvoine <emmanuel.jeanvoine@inria.fr>
Cc: netdev@vger.kernel.org
Subject: Re: Poor TCP bandwidth between network namespaces
Date: Mon, 4 Feb 2013 23:52:27 +0100	[thread overview]
Message-ID: <20130204225227.GC6898@order.stressinduktion.org> (raw)
In-Reply-To: <20130204144320.GG1353@tostaky>

On Mon, Feb 04, 2013 at 03:43:20PM +0100, Emmanuel Jeanvoine wrote:
> I'm wondering why the overhead is so high when performing TCP 
> transfers between two network namespaces. Do you have any idea about 
> this issue? And possibly, how to increase the bandwidth (without 
> modifying the MTU on the veths) between network namespaces?

You could try Eric's patch (already in net-next) and have a look at the rest
of the discussion:

http://article.gmane.org/gmane.linux.network/253589

  reply	other threads:[~2013-02-04 22:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-04 14:43 Poor TCP bandwidth between network namespaces Emmanuel Jeanvoine
2013-02-04 22:52 ` Hannes Frederic Sowa [this message]
2013-02-09  1:33   ` Eric Dumazet
2013-02-09  1:54     ` Rick Jones
2013-02-09  2:17     ` 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=20130204225227.GC6898@order.stressinduktion.org \
    --to=hannes@stressinduktion.org \
    --cc=emmanuel.jeanvoine@inria.fr \
    --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).