Gap Analysis for IPv4 Sunset

Document Type Replaced Internet-Draft (sunset4 WG)
Authors Will LIU  , Weiping Xu  , Cathy Zhou  , Tina Tsou  , Simon Perreault  , Peng Fan  , Rong Gu  , Chongfeng Xie  , Ying Cheng 
Last updated 2018-04-19 (latest revision 2017-08-01)
Replaces draft-dionne-sunset4-v4gapanalysis
Replaced by draft-liu-sunset4-gapanalysis
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-liu-sunset4-gapanalysis
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Sunsetting IPv4 refers to the process of turning off IPv4 definitively. It can be seen as the final phase of the transition to IPv6. This memo enumerates difficulties arising when sunsetting IPv4, and identifies the gaps requiring additional work.


Will LIU (
Weiping Xu (
Cathy Zhou (
Tina Tsou (
Simon Perreault (
Peng Fan (
Rong Gu (
Chongfeng Xie (
Ying Cheng (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)