Re: RFC3484-revise and NAT64 Well-Known Prefix

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 28 March 2011 07:52 UTC

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Date: Mon, 28 Mar 2011 20:52:53 +1300
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: teemu.savolainen@nokia.com
Subject: Re: RFC3484-revise and NAT64 Well-Known Prefix
References: <916CE6CF87173740BC8A2CE443096962014C5D@008-AM1MPN1-036.mgdnok.nokia.com> <alpine.LRH.2.00.1103272227310.13893@sampo3.csc.fi> <4D9022B6.8020105@gmail.com> <916CE6CF87173740BC8A2CE443096962015109@008-AM1MPN1-036.mgdnok.nokia.com>
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Yes. The MIF model seems to me to be fairly broken
from an architectural point of view. Maybe you have to
forbid exporting certain information from one stack to another
on a MIF host.

   Brian

On 2011-03-28 20:19, teemu.savolainen@nokia.com wrote:
> Multi-interfaced host might have one network interface IPv6-only with NAT64 (e.g. cellular) and another network interface IPv4-only (e.g. WLAN).
> 
> Teemu
> 
>> -----Original Message-----
>> From: ext Brian E Carpenter [mailto:brian.e.carpenter@gmail.com]
>> Sent: 28. maaliskuuta 2011 07:55
>> To: Teemu Kiviniemi
>> Cc: Savolainen Teemu (Nokia-MS/Tampere); behave@ietf.org; ipv6@ietf.org
>> Subject: Re: RFC3484-revise and NAT64 Well-Known Prefix
>>
>> On 2011-03-28 08:53, Teemu Kiviniemi wrote:
>>> On Sun, 27 Mar 2011, teemu.savolainen@nokia.com wrote:
>> ...
>>> I believe native IPv4 should always be preferred over NAT64.
>> That is just irrelevant and of no importance, since the only hosts
>> that use DNS64 and NAT64 in normal life are IPv6-only hosts.
>>
>> There is a side issue of what happens if a synthetic IPv6 address
>> is referred to a non-IPv6-only host, but that is a whole other
>> problem that cannot be solved at the RFC3484bis level.
>>
>> See draft-carpenter-referral-ps-02.txt...
>>
>>     Brian