Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)

From: Marshall Eubanks (no email)
Date: Thu Oct 04 2007 - 07:14:00 EDT

  • Next message: Eliot Lear: "Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)"

    On Oct 4, 2007, at 4:56 AM, Mark Newton wrote:

    >
    > On Thu, Oct 04, 2007 at 10:37:22AM +0200, Iljitsch van Beijnum wrote:
    >
    >> The crucial difference is that there is an upgrade path. There is no
    >> upgrade path from a network with NAT to a network where you don't
    >> have to work around NAT. That's why it's so important to keep the NAT
    >> in IPv4 and not let it sneak into IPv6.
    >
    > Most of us debating this with you _don't care_ if NAT happens to exist
    > on the IPv6 Internet. It's on the IPv4 Internet and we still manage
    > to use the network for the things we want to use it for, so we're
    > mounting an empirical case to say that portrayal of NAT that you're
    > presenting is false.

    Plus, it may give you a legal defense !

    In this trial

    http://blog.wired.com/27bstroke6/2007/10/riaa-testimony-.html

    her defense basically boil down to, because my home network was
    NATed, who knows who
    was using that IP address ?

    Regards (with tongue firmly in cheek)
    Marshall

    >
    > Basically, your argument boils down to aesthetics. You don't like
    > NAT. You want it to go away. Fine, I don't like it either and I
    > wouldn't mind if it went away...
    >
    > But funnily enough, I can remember having exactly these same
    > arguments with people about IPv4 NAT. And y'know what? They
    > didn't make a lick of difference, because NAT could be (and was)
    > deployed unilaterally, without any semblance of global coordination.
    >
    > {Your|My} aesthetic sense isn't actually in charge here. Moan about
    > it all you want, but it's _inevitable_ that every tool in the toolbox,
    > including NAT-PT, will be used to smooth-over IPv6 adoption
    > challenges.
    > And if you don't like it, you're just gonna have to cope.
    >
    > Your alternatives are:
    >
    > - NAT-PT with well-understood standards and operational guidelines
    > aimed at maximizing interoperability; and
    >
    > - NAT-PT without well-understood standards and operational
    > guidelines,
    > where interoperability is a flukish crapshoot, where random stuff
    > just fails to work because there are no agreed-upon ways to use
    > application awareness at layer-4 to work around breakage.
    >
    > In that universe, where you have to pick one, which one would
    > you rather see in widespread deployment? And if it's the first
    > alternative, what kind of results do you think you'll get by opposing
    > efforts to develop standards for NAT?
    >
    > - mark
    > [ wondering how long it'll be before I'll be able to buy a CEF-
    > accelerated TCAM-equipped layer-4 switching blade for a
    > 7600 :-) ]
    >
    >
    > --
    > Mark Newton Email:
    > (W)
    > Network Engineer Email:
    > (H)
    > Internode Systems Pty Ltd Desk: +61-8-82282999
    > "Network Man" - Anagram of "Mark Newton" Mobile: +61-416-202-223


  • Next message: Eliot Lear: "Re: Access to the IPv4 net for IPv6-only systems, was: Re: WG Action: Conclusion of IP Version 6 (ipv6)"





    Hosted Email Solutions

    Invaluement Anti-Spam DNSBLs



    Powered By FreeBSD   Powered By FreeBSD