2013-02-07 14:41, Ole Troan <o...@cisco.com>  :

> Remi,
> 
>> ...
>>> with Remi's proposal, a duplicate address will not even be detected.
>> 
>> Correct: even if software is available to detect collisions between 4rd 
>> addresses and RFC 4291-compatible host addresses, it won't detect any. (Such 
>> software, which isn't mandatory for 4rd, is of course not excluded either.) 
>> 
>> The simple reason for this non-detection is that these addresses have IIDs 
>> in disjoint sets. 
> 
> I think you have received quite a lot of pushback against creating disjoint 
> sets of IIDs.

Different understanding. 
- Those who have supported haven't needed to repeat their support (see names in 
http://www.ietf.org/mail-archive/web/ipv6/current/msg17094, and one more in 
http://www.ietf.org/mail-archive/web/ipv6/current/msg16972)
- Those who have objected continue to receive answers to their concerns (the 
above being one instance).

Besides, these remaining concerns are aside from the question asked by Softwire 
(whether reserving a subset of an IID range unused by RFC 4291 is compatible 
with the IPv6 addressing architecture).

Regards,
RD


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