Re: [dhcwg] dhc WG last call on <draft-ietf-dhc-ddns-resolution-09.txt>

I would like to see section 6.3.4, when describing the policy for
'replacement' of fqdn's by the latest dhcp speaker claiming to have
that name, to state there must be a prerequisite for the over-riding
update...although implementations might do this update without a prereq,
I think the document should be consistent about suggesting DHCP servers
only touch names that either have DHCID's on them, or don't exist at all.

eg:

    ... If the configured policy allows
   replacement of existing records, the updater submits a query that
   deletes all RRs for the FQDN and adds the A and/or AAAA and DHCID RRs
   that represent the IP address and client identity of the new client.

becomes:

    ... If the configured policy allows
    replacement of existing records, the updater submits a query which
    contains:

	o A prerequisite that a DHCID RR of any value exist for this FQDN.
	o The deletion of all RRs for the FQDN.
	o The addition of the A and/or AAAA RR
	o The addition of the new DHCID RR.

Or something like that.

-- 
David W. Hankins		"If you don't do it right the first time,
Software Engineer			you'll just have to do it again."
Internet Systems Consortium, Inc.		-- Jack T. Hankins