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Re: [Qemu-devel] SLIRP migration?
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From: |
Jan Kiszka |
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Subject: |
Re: [Qemu-devel] SLIRP migration? |
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Date: |
Wed, 28 Sep 2016 20:04:03 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2016-09-28 20:00, Dr. David Alan Gilbert wrote:
> Hi Samuel, Jan,
> I'd like to convert SLIRPs migration code to VMState
> and avoid all the qemu_put_/qemu_get_'s - but first I'd like to understand
> when a lot of the slirp migration code makes sense.
>
> 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?
> If that's the case then why bother saving all the TCP state?
>
> Under what circumstances do the network connections survive and
> how can I test that?
I think I never tried this myself back then, nor do I remember any
success story about slirp live migration from the top of my head.
Jan
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