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Re: I-D ACTION:draft-ietf-ipv6-unique-local-addr-08.txt




On Dec 6, 2004, at 10:31, Brian E Carpenter wrote:

Dan Lanciani wrote:
Mark Andrews <Mark_Andrews@xxxxxxx> wrote:
|+ Advertising locally assigned ULA AAAA records in the global DNS is
|+ MUST NOT occur as they are not globally unique and will lead
|+ to unexpected connections.
I strongly object to making this a "MUST NOT," ...


OK. Lot of shouting since this was sent but not much new text.

How about

Locally assigned ULA AAAA records MUST NOT appear in the global DNS,
since there is an extremely small probability that the corresponding
addresses are not unique. Even though these addresses will be
unrouteable in the global Internet, their leakage via DNS is highly
undesirable. Such AAAA records MAY appear in local regions of the DNS
corresponding to their region of routeability.

keep your mitts off my zone files. and if the prefixes are routable -AT ALL- then i may chose to define my "local region" to be the Internet.


(And I would put an equivalent SHOULD NOT on centrally assigned ULAs.)

         Brian

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