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Re: status of IPv6 support with LVS/ipvsadm?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: status of IPv6 support with LVS/ipvsadm?
From: Tim Mooney <Tim.Mooney@xxxxxxxx>
Date: Thu, 7 Dec 2006 19:17:16 -0600 (CST)
In regard to: Re: status of IPv6 support with LVS/ipvsadm?, Joseph Mack...:

On Thu, 7 Dec 2006, Tim Mooney wrote:

All-

I've been through most of the LVS-HOWTO and have searched the LVS wiki and
the mailing list archives, and it's still not clear to me what the status
of support for IPv6 is.  The link on getting involved:

It's come up occassionally, mostly back in the good old days when everyone expected to move to IPv6 tomorrow. But tomorrow never came and the silence you see indicates that nothing is happening. You are one of maybe half a dozen people who've shown interest in the matter in the last 7 years. No-one is going to put any development work into code for a user pool this small, when there are other things more pressing to do. Horms is basically doing all the work single handedly in his spare time, so it's not like we have a lot of developers to spare. I wouldn't be surprised if there was code around from early attempts at LVS-IPv6 but I'm sure it's long forgotten now.

If you or your friend are interested in writing and testing the IPv6 code, that would be a different matter. I don't know if Horms has IPv6 so you would need to keep any eye on the code through the various kernel revisions after the IPv6 LVS code was accepted.

Thanks Joe.  I appreciate that you took the time to spell things out.
I figured things were basically as you've described, but I just couldn't
tell from the docs.

I know that IPv6 has been "just over the horizon" for years, but I think
that this time it really is.  With the US DoD mandating that researchers
and external collaborators it interacts with must be IPv6 "capable" by
2008, the US Office of Management and Budget (OMB) requiring all federal
agencies to "prefer" IPv6 by June of 2008, and the fact that Microsoft's
Windows Vista prefers IPv6 by default, it seems like IPv6 is finally
approaching critical mass.

We were anticipating that IPv6 support in LVS would be somewhere between
nonexistant and nascent, and we've already discussed some "what ifs".
I can't commit our organization to doing the work to integrate IPv6
support into LVS, but I can say that option has been discussed, and I'm
lucky enough to work somewhere where both my boss and his boss are
strong proponents of open source software.  If we attempt the effort
and are successful, I'm quite certain we would contribute the code back.
I think we would prefer to have several good collaborators and some
guidance from the core developers, but we might not be able to wait for
that to coalesce.

Now that I know the status of IPv6 in LVS, I'll talk things over with
my management, and see how they want to proceed.

Thanks again,

Tim
--
Tim Mooney                                           Tim.Mooney@xxxxxxxx
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