Gap Analysis for IPv4 Sunset

Document Type Expired Internet-Draft (individual)
Authors Will LIU  , Weiping Xu  , Cathy Zhou  , Tina Tsou  , Simon Perreault  , Rong Gu  , Chen Li 
Last updated 2019-04-25 (latest revision 2018-10-22)
Replaces draft-ietf-sunset4-gapanalysis
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This Internet-Draft is no longer active.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 (
Rong Gu (
Chen Li (

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