CORRECTED WG Action: sunset4 (sunset4)

Minor update to the published charter: Marc and Wes are confirmed as WG chairs (not "proposed"). Thanks to both Marc and Wes for taking on the leadership of sunset4.

- Ralph

On May 1, 2012, at 12:33 PM 5/1/12, IESG Secretary wrote:

> A new IETF working group has been formed in the Internet Area. For additional information, please contact the Area Directors or the WG Chairs.
>
> sunset4 (sunset4)
> --------------------
> Current Status: Active
>
> Chairs:
> Marc Blanchet <marc.blanchet@viagenie.ca>
> Wes George <wesley.george@twcable.com>
>
> INT Area Director:
> Ralph Droms <rdroms.ietf@gmail.com>
>
> Area Advisors:
> OPS: Fred Baker <Fred@cisco.com>
> TSV: Martin Stiemerling <martin.stiemerling@neclab.eu>
> RTG: Stewart Bryant <stbryant@cisco.com>
>
> Mailing Lists:
> Address: sunset4@ietf.org
> List Subscription: https://www.ietf.org/mailman/listinfo/sunset4
> Email Archive: http://www.ietf.org/mail-archive/web/sunset4/
>
> Description of Working Group:
>
> The IETF is committed to the deployment of IPv6 to ensure the
> evolution of the Internet. However, the IPv4-only components of the
> Internet must continue to operate as much as possible during the
> transition from IPv4 to IPv6.
>
> The Working Group will standardize technologies that facilitate the
> graceful sunsetting of the IPv4 Internet in the context of the
> exhaustion of IPv4 address space while IPv6 is deployed. These
> technologies will likely be less optimal than equivalent technologies
> for IPv6-only and dual-stack networks. The Working Group works only
> on IPv4 protocols to facilitate IPv4 sunsetting.
>
> The Working Group may work on fixing security bugs in existing
> IPv4-specific protocols but is not chartered to add new security
> functionality to those protocols.
>
> The working group will provide a single venue for the consideration of
> IPv4 sunsetting, while ensuring that any such technologies do not
> impede the deployment of IPv6 and do not duplicate functions and
> capabilities already available in existing technologies. Therefore,
> along the lines of draft-george-ipv6-support, before the working
> group adopts any technology, it must:
>
> 1) describe the problem to be solved and show that there is widespread
> demand for a solution
> 2) demonstrate that the problem can not be solved with existing
> technologies
> 3) provide a description of the proposed solution along with the
> impact on current IPv4-only use and its ability to promote the
> deployment of IPv6
>
> These steps will likely be described in the form of a use case and
> requirements document.
>
> Only after the above mentioned steps have been completed and the
> results accepted by the community will the IETF consider adding new
> work items to the Working Group charter. This new work may include
> protocol specifications.
>
> The work spans over multiple IETF areas including as Internet,
> Operations, Transport and Routing. Therefore, cross-area coordination
> and support is essential and required. Any work on IPv4 to IPv6
> transition methods is out of scope.
>
> The initial work items are:
>
> * Review current Carrier-Grade NAT (CGN) documents and related issues,
> including requirements for standardization, and determine if CGN is
> a suitable sunsetting technology to become a work item:
> draft-ietf-behave-lsn-requirements
> draft-ietf-behave-nat-mib
> CGN port allocation methods
> * Gap analysis of IPv4 features to facilitate IPv4 sunsetting
>
> Milestones
>
> 2012-09 Complete review of CGN and, if necessary, propose CGN work
> items
> 2013-06 Send gap analysis on IPv4 sunsetting to IESG