From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Samuel Thibault <samuel.thibault@gnu.org>
Cc: jan.kiszka@siemens.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] SLIRP migration?
Date: Thu, 29 Sep 2016 10:05:41 +0100 [thread overview]
Message-ID: <20160929090540.GB2030@work-vm> (raw)
In-Reply-To: <20160928221440.GK4316@var.home>
* Samuel Thibault (samuel.thibault@gnu.org) wrote:
> Hello,
>
> Dr. David Alan Gilbert, on Wed 28 Sep 2016 19:00:45 +0100, wrote:
> > I can see that migrating a VM with slirp makes sense (actually more
> > commonly saving a VM with slirp to a file); but when that happens
> > aren't you likely to lose all the network connections anyway?
>
> Yes.
>
> > If that's the case then why bother saving all the TCP state?
>
> Because there are not only network connections, actually the network
> connections are *not* saved: slirp_state_save iterates only over
> exec_list with ex_pty = 3, i.e. guestfwd to a device.
Ah! Thanks for the explanation, that makes a lot more sense.
Dave
>
> Samuel
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
prev parent reply other threads:[~2016-09-29 9:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-28 18:00 [Qemu-devel] SLIRP migration? Dr. David Alan Gilbert
2016-09-28 18:04 ` Jan Kiszka
2016-09-28 18:43 ` Dr. David Alan Gilbert
2016-09-28 22:14 ` Samuel Thibault
2016-09-29 9:05 ` Dr. David Alan Gilbert [this message]
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