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



	Section 4.4 DNS Issues

	This sections appears to be a real cop out.

	It is perfectly natural for clients to want to make queries and
	have these addresses returned from the DNS.

	The problem is that there is no co-ordinating authority for
	D.F.IP6.ARPA and if we let queries be made the servers for
	F.IP6.ARPA (or IP6.ARPA) will be swapped.  Similarly we can
	force public servers for zones under C.F.IP6.ARPA.  I propose
	that we actually allow these addresses to be returned but
	that (caching) nameservers be automatically configured to
	return Name Error for queries under D.F.IP6.ARPA and (maybe)
	C.F.IP6.ARPA and that *explicit* configuration be required
	to get a different response.

	e.g.
	that the server behaves as if the following zones are loaded.

	C.F.IP6.ARPA. 3600 IN SOA C.F.IP6.ARPA. RFCXXXX.C.F.IP6.ARPA. (
				  1 7200 3600 604800 3600 )
	C.F.IP6.ARPA. 3600 IN NS  C.F.IP6.ARPA.
	C.F.IP6.ARPA. 3600 IN TXT Automatically generated as per RFCXXXX

	D.F.IP6.ARPA. 3600 IN SOA D.F.IP6.ARPA. RFCXXXX.D.F.IP6.ARPA. (
				  1 7200 3600 604800 3600 )
	D.F.IP6.ARPA. 3600 IN NS D.F.IP6.ARPA.
	D.F.IP6.ARPA. 3600 IN TXT Automatically generated as per RFCXXXX

	Note 1: the above zones can be used by existing for servers to
		achieve the same behaviour.

	Note 2: There are no addresses associated with the nameservers,
		sites may want to assign a address (e.g. ::1).

	Note 3: RFCXXXX.[CD].F.IP6.ARPA above could be replace by
		a local contact address.
	
	Co-operating sites are would secondary the relevent local reverse
	zones (X.X.X.X.X.X.X.X.X.X.[CD].F.IP6.ARPA.) or manage their own
	[CD].F.IP6.ARPA zones.
	
	Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews@xxxxxxx

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