Re: [dhcwg] DHC WG charter

Ralph Droms <rdroms@cisco.com> Wed, 23 October 2002 18:27 UTC

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Date: Wed, 23 Oct 2002 14:25:35 -0400
To: dhcwg@ietf.org
From: Ralph Droms <rdroms@cisco.com>
Subject: Re: [dhcwg] DHC WG charter
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Here's a revised charter, based on input from mailing list discussion (this 
charter also available at http://www.dhcp.org/charter-update.html); 
comments or acknowledgments (this looks OK) strongly encouraged...



		   Dynamic Host Configuration (dhc)

The dhc working group (DHCWG) has developed DHCP for automated
allocation, configuration and management of IP addresses and TCP/IP
protocol stack parameters. DHCP is currently a "Draft Standard".  The
base protocol is document in RFC2131 and RFC2132.  Additional options
are documented in a series of RFCs (see
http://www.dhcp.org/rfcs.html).  The working group now has four main
objectives:

* RFC 3118 defines current security mechanisms for DHCPv4.
   Unfortunately, RFC 3118 has neither been implemented nor deployed to
   date. There is widespread feeling that its current restriction to
   manual keying of clients limits its deployability. It is the goal of
   DHCWG to rectify this situation by defining extensions that have
   better deployability properties. In order to achive this goal, DHCWG
   will develop a threat model and analysis of the authentication
   protection provided by RFC3118; specific issues to be addressed
   might include:
   - Improved key management and scalability
   - Security for messages passed between relay agents and servers
   - Threats of DoS attacks through FORCERENEW

* Develop requirements for any new protocols to address threats or
   other enhancement identified by the threat model and analysis of
   3118

* Complete the specification of DHCP for IPv6 (DHCPv6):
   - Gain acceptance and publication of current Internet Draft as
     Proposed Standard
   - Complete or terminate work on published DHCPv6 options:
       IPv6 Prefix Options for DHCPv6
         <draft-troan-dhcpv6-opt-prefix-delegation-01.txt>
       DSTM Options for DHCP
         <draft-ietf-dhc-dhcpv6-opt-dstm-01.txt>
       DSTM Ports Option for DHCPv6
         <draft-ietf-dhc-dhcpv6-opt-dstm-ports-01.txt>
       DNS Configuration options for DHCPv6
         <draft-ietf-dhc-dhcpv6-opt-dnsconfig-01.txt>
       Load Balancing for DHCPv6
         <draft-ietf-dhc-dhcpv6-loadb-02.txt>
       NIS Configuration Options for DHCPv6
         <draft-ietf-dhc-dhcpv6-opt-nisconfig-01.txt>
       Time Configuration Options for DHCPv6
         <draft-ietf-dhc-dhcpv6-opt-timeconfig-01.txt>
       Client Preferred Prefix option for DHCPv6
         <draft-ietf-dhc-dhcpv6-opt-cliprefprefix-00.txt>
   - Encourage independent implementations and report on
     interoperability testing

* Complete or terminate work on DHCP extensions and new options that
   are currently work in progress:
   - Failover protocol
   - DHCP/DDNS interaction
     <draft-ietf-dhc-fqdn-option-04.txt>
     <draft-ietf-dhc-ddns-resolution-04.txt>
   - DHCP Server MIB
     <draft-ietf-dhc-server-mib-07.txtDHCP MIB>
   - Host name options (Smith/Lemon?)
   - DHCP Leasequery
   - DHCP Option for CableLabs Client Configuration
     <draft-ietf-dhc-packetcable-03.txt>
   - KDC Server Address Sub-option
     <draft-ietf-dhc-suboptions-kdc-serveraddress-00.txt>
   - DHCP Options for Internet Storage name Service
     <draft-ietf-dhc-isnsoption-03.txt>
   - The Authentication Suboption for the DHCP Relay Agent Option
     <draft-ietf-dhc-auth-suboption-00.txt>
   - Link Selection sub-option for the Relay Agent Information Option
     <draft-ietf-dhc-agent-subnet-selection-03.txt>
   - DHCP VPN Information Option
   - VPN Identifier sub-option for the Relay Agent Information Option
   - RADIUS Attributes Sub-option for the DHCP Relay Agent Information Option

* DHCWG is responsible for reviewing (and sometimes developing) DHCP
   options or other extensions (for both IPv4 and IPv6). DHCWG is
   expected to review all proposed extensions to DHCP to ensure that
   they are consistent with the DHCP specification and other option
   formats, that they do not duplicate existing mechanisms, etc.  DHCWG
   will not (generally) be responsible for evaluating the semantic
   content of proposed options. DHCWG will not adopt new proposals for
   extensions to DHCP as working group documents without first
   coordinating with other relevant working groups and determining who
   has the responsibility for reviewing the semantic content of an
   option.

* Write an analysis of the DHCP specification, including RFC2131,
   RFC2132 and other RFCs defining additional options, which identifies
   ambiguities, contradictory specifications and other obstacles to
   development of interoperable implementations.  Recommend a process
   for resolving identified problems and incorporating the resolutions
   into the DHCP specification.


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