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Re: IPv6, testing script, cdn6?

On Wed, Feb 09, 2011 at 05:28:54PM +0100, Witold Baryluk wrote:
> Are there any plans for cdn6.debian.net?
> I mean like cdn but which will return ipv6 and only ipv6 addresses.
> It will help alot, especially if one will use debian-installer
> with netinstall on ipv6-only box.
> d-i looks will have ipv6 support in to so distant future
> (currently it is hard even manually, as there userland
> lacks few tools).

I don't think it will help here. Any sane network client which is IPv6
only should be able to resolve a dual-stacked name to an IPv6 address,
so I would suggest concentrating on making sure that the main CDN setup
supports IPv6 (and returns both IPv4 and IPv6 addresses) instead.

Yes, this may be a slightly harder problem for the CDN maintainers to
solve, but it's better than setting up a separate name. Users shouldn't
need to know or care about IPv6 when selecting the name of a service
to use.

> Having cdn6 will make it slightly easier to find a mirror which have ipv6
> address. without it, user will need to randomly test few servers before
> finding one which supports ipv6. Geolocation support on ipv6 also
> appears to be better each day, and already is quite good
> as I tested it.

You're starting from the position that accessing a mirror over IPv6
is somehow intrinsically better than IPv4; I don't believe that to be
the case from the perspective of an end-user trying to access a service
(even if he or she happens to have a dual stacked connection). This
doesn't mean that we shouldn't strive to support IPv6 on the mirrors,
of course.


Dominic Hargreaves | http://www.larted.org.uk/~dom/
PGP key 5178E2A5 from the.earth.li (keyserver,web,email)

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