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"Programmers can't get IPv6 thus that is why they do not have IPv6 in their applications"....

In message <CAP-guGWTcOAfeNKQSxsssoMXMY1SqS2ofaPrV26wW+GfVfpXyQ at mail.gmail.com>,
 William Herrin writes:
> On Fri, Nov 30, 2012 at 5:18 PM, Randy <nanog at afxr.net> wrote:
> > -
> > Well I want to add my 10 cents,
> > I am a c++ programmer, and have been waiting for my isp to offer native ipv6
> > for ever. I got fed up with waiting and setup a ipv6 over ipv4 tunnel. So
> > once I got that done, I spent only an hour updating my socket classes to
> > support ipv6. I hadent done so before because I never had ipv6 access, * I
> > don't release code without testing it first *.
> >
> > It wasn't difficult to update to ipv6, only some reading was needed, don't
> > know what the fuss is =D
> Go test it against a dual stack remote host with the Tunnel's
> addresses still configured on your hosts but packet filtering set to
> silently drop packets on the IPv6 tunnel. Then work through the
> implications of what you observe.

Go test your IPv4 code against a half broken multi-homed server.
There is no difference.  You either have good mutli-homed support
or not in your code.  With dual stack everything is multi-homed
so no more ignoring the issue.

> Regards,
> Bill Herrin
> -- 
> William D. Herrin ................ herrin at dirtside.com  bill at herrin.us
> 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
> Falls Church, VA 22042-3004
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org