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