1. DNS zone suffix option for DHCPv6 (draft-yan-dhc-dhcpv6-opt-dnszone-02.txt) IETF 62 (Minneapolis) Yan Renxiang Alcatel Shanghai Bell

2. 2 DNS zone suffix option DNS zone suffix option provides a method to transfer zone suffix from DHCPv6 server to DHCPv6 client. Used for both stateless DHCP server and stateful DHCPv6 server. 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | OPTION_DNS_Zone_suffix | option-length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | ~ DNS zone suffix ~ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

3. 3 Operation & Usage Operation DHCPv6 client sends a SOLICIT /REQUEST /INFORMATION REQUEST message to DHCPv6 server DHCPv6 server sends REPLY message with DNS zone suffix option to DHCPv6 client. Usage In stateful DHCPv6, the option will be placed in the options field of IA_PD option in an outgoing DHCPv6 message. In stateless DHCPv6, the option will be placed in the main option buffer of any DHCPv6 message sent to a client.

4. 4 Modification from Ver01 Clarify security problem Zone suffix option is only used to transfer DNS zone suffix, no DNS update issue is mentioned in the draft. Clarify usage For both stateless DHCPv6 and stateful DHCPv6 Correct Some typo errors

5. 5 Questions ? Accepted as WG Item ?