qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Stefan Hajnoczi <stefanha@gmail.com>
To: Li Zhijian <lizhijian@cn.fujitsu.com>
Cc: zhanghailiang <zhang.zhanghailiang@huawei.com>,
	jan.kiszka@siemens.com, jasowang@redhat.com,
	"peter.huangpeng" <peter.huangpeng@huawei.com>,
	qemu-devel@nongnu.org, "Gonglei (Arei)" <arei.gonglei@huawei.com>,
	stefanha@redhat.com, Yang Hongyang <yanghy@cn.fujitsu.com>,
	dgilbert@redhat.com
Subject: Re: [Qemu-devel] [POC] colo-proxy in qemu
Date: Mon, 20 Jul 2015 11:32:08 +0100	[thread overview]
Message-ID: <20150720103208.GA12675@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <55AC9859.3050100@cn.fujitsu.com>

[-- Attachment #1: Type: text/plain, Size: 718 bytes --]

On Mon, Jul 20, 2015 at 02:42:33PM +0800, Li Zhijian wrote:
> We are planning to implement colo-proxy in qemu to cache and compare packets.

I thought there is a kernel module to do that?

Why does the proxy need to be part of the QEMU process?  -netdev socket
or host network stack features allow you to process packets in a
separate process.

Without details on what the proxy does it's hard to discuss this.  What
happens in the non-TCP case?  What happens in the TCP case?

Does the proxy need to perform privileged operations, create sockets,
open files, etc?

The slirp code is not actively developed or used much in production.  It
might be a good idea to audit the code for bugs if you want to use it.

Stefan

[-- Attachment #2: Type: application/pgp-signature, Size: 473 bytes --]

  reply	other threads:[~2015-07-20 10:32 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-20  6:42 [Qemu-devel] [POC] colo-proxy in qemu Li Zhijian
2015-07-20 10:32 ` Stefan Hajnoczi [this message]
2015-07-20 11:55   ` zhanghailiang
2015-07-20 13:12     ` Vasiliy Tolstov
2015-07-20 15:01       ` Stefan Hajnoczi
2015-07-21  1:59         ` zhanghailiang
2015-07-28 22:13           ` Samuel Thibault
2015-07-21  6:13         ` Jan Kiszka
2015-07-21  9:49           ` Stefan Hajnoczi
2015-07-27 10:13             ` Stefan Hajnoczi
2015-07-27 11:24               ` zhanghailiang
2015-07-27 11:31                 ` Samuel Thibault
2015-07-27 13:33               ` Jan Kiszka
2015-07-28 22:12                 ` Samuel Thibault
2015-07-29  7:36                   ` Jan Kiszka
2015-07-29  9:33                     ` [Qemu-devel] [PATCH] MAINTAINERS: Add Samuel Thibault as slirp maintainer Samuel Thibault
2015-08-06 10:10                       ` Stefan Hajnoczi
2015-08-06 12:29                         ` Fam Zheng
2015-08-07 10:19                           ` Stefan Hajnoczi
2015-08-07 10:34                             ` Fam Zheng
2015-07-20 12:02   ` [Qemu-devel] [POC] colo-proxy in qemu Li Zhijian
2015-07-24  2:04   ` Dong, Eddie
2015-07-24  2:12     ` Jason Wang
2015-07-24  8:04       ` Yang Hongyang
2015-07-27  3:24         ` Jason Wang
2015-07-27  3:54           ` Yang Hongyang
2015-07-27  4:49             ` Jason Wang
2015-07-27  5:51               ` Yang Hongyang
2015-07-27  7:37                 ` Jason Wang
2015-07-27  7:49                   ` Yang Hongyang
2015-07-27  8:06                     ` Jason Wang
2015-07-27  8:22                       ` Yang Hongyang
2015-07-27  7:53                 ` Jason Wang
2015-07-27  8:17                   ` Yang Hongyang
2015-07-27 18:33                   ` Dr. David Alan Gilbert
2015-07-27 10:40         ` Dr. David Alan Gilbert
2015-07-27 13:39           ` Yang Hongyang
2015-07-24  2:05 ` Dong, Eddie
2015-07-30  4:23 ` Jason Wang
2015-07-30  7:16   ` Gonglei
2015-07-30  7:47     ` Dong, Eddie
2015-07-30  8:03       ` Dr. David Alan Gilbert
2015-07-30  8:15         ` Jason Wang
2015-07-30 11:56           ` Dr. David Alan Gilbert
2015-07-30 12:10             ` Gonglei
2015-07-30 12:30               ` Dr. David Alan Gilbert
2015-07-30 12:42                 ` zhanghailiang
2015-07-30 13:59                   ` Dr. David Alan Gilbert
2015-07-30 15:17                     ` Yang Hongyang
2015-07-30 17:53                       ` Dr. David Alan Gilbert
2015-07-31  1:08                         ` Yang Hongyang
2015-07-31  1:28                           ` zhanghailiang
2015-07-31  1:31                             ` Yang Hongyang
2015-07-31  1:26                         ` zhanghailiang
  -- strict thread matches above, loose matches on Subject: below --
2015-11-10  5:26 [Qemu-devel] [POC]colo-proxy " Tkid
2015-11-10  7:35 ` Jason Wang
2015-11-10  8:30   ` zhanghailiang
2015-11-11  2:28     ` Jason Wang
2015-11-10  9:35   ` Tkid
2015-11-11  3:04     ` Jason Wang
2015-11-10  9:41   ` Dr. David Alan Gilbert
2015-11-11  3:09     ` Jason Wang
2015-11-11  9:03       ` Dr. David Alan Gilbert
2015-11-11  1:23   ` Dong, Eddie
2015-11-11  3:26     ` Jason Wang
2015-11-10 10:54 ` Dr. David Alan Gilbert
2015-11-11  2:46   ` Zhang Chen
2015-11-13 12:33     ` Dr. David Alan Gilbert

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=20150720103208.GA12675@stefanha-thinkpad.redhat.com \
    --to=stefanha@gmail.com \
    --cc=arei.gonglei@huawei.com \
    --cc=dgilbert@redhat.com \
    --cc=jan.kiszka@siemens.com \
    --cc=jasowang@redhat.com \
    --cc=lizhijian@cn.fujitsu.com \
    --cc=peter.huangpeng@huawei.com \
    --cc=qemu-devel@nongnu.org \
    --cc=stefanha@redhat.com \
    --cc=yanghy@cn.fujitsu.com \
    --cc=zhang.zhanghailiang@huawei.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).