DHCPDNS Interactin Internet Engineering Task Force dhcpdns互动，因特网工程任务组.pptVIP

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DHCPDNS Interactin Internet Engineering Task Force dhcpdns互动，因特网工程任务组.ppt

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DHCPDNS Interactin Internet Engineering Task Force dhcpdns互动，因特网工程任务组

DHCP-DNS Interaction Bernie Volz IETF-61, DHC WG Current Drafts draft-ietf-dhc-fqdn-option-07 (no change, ready for WG Last Call) draft-ietf-dhc-ddns-resolution-08 (revised) draft-ietf-dhc-dhcpv6-fqdn-00 (revised) draft-ietf-dnsext-dhcid-rr-08 (no change) Not updated since last IETF Will resubmit as needed to keep alive Ready for IESG, but will check with DNSEXT WG Chairs and request they review above drafts draft-ietf-dhc-ddns-resolution-08 Revised to incorporate A/AAAA updates Is the procedure correct and optimum? Is it clearly presented? Please carefully review sections 6.2 and 6.3 Submit for WG Last Call draft-ietf-dhc-dhcpv6-fqdn-00 Revised individual submission FQDN option is per IA_* and applies to all addresses in binding Ready for WG Last Call? Please,Let’s get these documents done and to the IESG! * * 6.3.1 Initial DHCID RR Query When a DHCP client or server intends to update an A or AAAA RR, it performs a DNS query with QNAME of the target name and with QTYPE of DHCID. If the query returns NXDOMAIN, the updater can conclude that the name is not in use and proceeds to Section 6.3.2. If the query returns NOERROR but without an answer, the updater can conclude that the target name is in use, but that no DHCID RR is present. This indicates that some records have been configured by an administrator. Whether the updater proceeds with an update is a matter of local administrative policy. If the DHCID rrset is returned, the updater uses the hash calculation defined in the DHCID RR specification [4] to determine whether the client associated with the name matches the current clients identity. If so, the updater proceeds to Section 6.3.3. Otherwise the updater must conclude that the clients desired name is in use by another host and proceeds to Section 6.3.4. If any other status is returned, the updater MUST NOT attempt an update. 6.3.2 DNS UPDATE When Name Not in Use The updater prepares a DNS UPDATE query that includes as a prerequisite the assertion