As I have said before, I think that it would be a mistake to make this declaration.
A lot of the world still relies heavily on IPv4, and many countries would rightly regard IPv4 as critical national infrastructure.
If the IETF announces that it is no longer supporting IPv4, then those countries would have every right to demand that the ITU-T took over responsibility for IPv4 development and maintenance of the protocol. If that happened you would naturally expect them to extend its life, perhaps even creating a viable competitor to IPv6 with all of the difficulty and confusion that would then result.
Whilst I think the elements of the ID that talk about ensuring that every protocol can run in an IPv6 only network are useful, although much stated in the past, I think that it would be a serious mistake to give any appearance of abandoning IPv4.
- Stewart On 28/09/2017 14:26, The IESG wrote:
The IESG has received a request from the Sunsetting IPv4 WG (sunset4) to consider the following document: - 'IETF: End Work on IPv4' <draft-ietf-sunset4-ipv6-ietf-01.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the [email protected] mailing lists by 2017-10-12. Exceptionally, comments may be sent to [email protected] instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract The IETF will stop working on IPv4, except where needed to mitigate documented security issues, to facilitate the transition to IPv6, or to enable IPv4 decommissioning. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-sunset4-ipv6-ietf/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-sunset4-ipv6-ietf/ballot/ No IPR declarations have been submitted directly on this I-D. The document contains these normative downward references. See RFC 3967 for additional information: draft-george-ipv6-support: IPv6 Support Within IETF work (None - )
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