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xen-devel
Re: [Xen-devel] xend IPv6 support
Pasi Kärkkäinen writes ("Re: [Xen-devel] xend IPv6 support"):
> On Tue, Aug 17, 2010 at 12:40:02PM +0200, Manuel Franceschini wrote:
> > We are currently testing Xen in a IPv6 environment and noticed that
> > xend does not support migration (and probably other xend services too)
> > for IPv6 setups. As far as I see this is the case for xen 3.4 and 4.0.
> > Is there any plans to add IPv6 support in the future?
>
> I guess the "big plan" is to replace xend with libxenlight/xl,
> so maybe ipv6 should be introduced to the new tools.
xl/libxl do not do the socket handling for migration themselves: they
leave that to the caller. In the case of xl the default arrangement
is to do the migration over ssh (which has the added benefits of
encryption and in many cases lack of management overhead).
If and when xl supports a dedicated port (with daemonic listener) and
migration over raw sockets done by xl or libxl itself, it should
certainly be written to support both v4 and v6.
So the short answer is that xl already supports IPv6 for migration if
your ssh and sshd do.
But we probably need to extend the vif protocol to permit
specification of v6 addresses through xenstore ?
Ian.
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