[dhcwg] Status of DHCPv6 specification
Ralph Droms <rdroms@cisco.com> Mon, 04 November 2002 12:15 UTC
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Date: Mon, 04 Nov 2002 07:06:51 -0500
To: dhcwg@ietf.org
From: Ralph Droms <rdroms@cisco.com>
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Subject: [dhcwg] Status of DHCPv6 specification
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Earlier this year, the DHCPv6 spec (draft-ietf-dhc-dhcpv6-26.txt) was reviewed
by the IESG. Based on feedback from that review, we (the DHCPv6 authors)
published
draft-ietf-dhc-dhcpv6-27.txt. The majority of the changes were related to
authentication. I've included a summary of the changes in the -27 rev of
the specification below.
draft-ietf-dhc-dhcpv6-27.txt is now under review by the IESG.
- Ralph
- Use of Reconfigure Key message is a new protocol in DHCP
authentication
- Added "DHCP Realm" to authentication to disambiguate
keys from different administrative domains
- Renamed IA to IA_NA throughout; now IA refers collectively to
IA_NA and IA_TA
- Reconfigure Accept option allows client to tell server if it
will do Reconfigure and allows server to control whether client
accepts Reconfigure
- Add desynchronizing randomization for Confirm and
Information-request messages
- Added requirement for Client Identifier option if
Information-request message is to be authenticated
- Deleted restriction against more than one Vendor-specific
Information option with same enterprise number
- Added text in section 15 requiring that a server discards
messages received via unicast such as Solicit that must be sent
via multicast, to ensure relay agents can add relay agent
options when needed
- Eliminated use of "message code" in section 5
- Eliminated "AddrUnavail" and "ConfNoMatch" status codes because
they are no longer used
- Edited to use "IA" for a non-differentiated IA; "IA_NA" and
"IA_TA" for specific types of addresses.
- Deleted AuthFailed status code; spec requires that receiver
discard messages that fail authentication with no response to the
sender
- DUID now limited to 128 bytes (was 256)
- Reconfigure message includes IA option to specifically identify
IAs that are to be modified.
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- [dhcwg] Status of DHCPv6 specification Ralph Droms