NAT444 addressing models

Document Type Expired Internet-Draft (individual)
Authors Jiro Yamaguchi  , Yasuhiro Shirasaki  , Shin Miyakawa  , Akira Nakagawa  , Hiroyuki Ashida 
Last updated 2013-01-06 (latest revision 2012-07-05)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes addressing models of NAT444. There are some addressing models of NAT444. The addressing models have some issues of network behaviors, operations, and addressing. This document helps network architects to use NAT444 after IPv4 address exhaustion.


Jiro Yamaguchi (
Yasuhiro Shirasaki (
Shin Miyakawa (
Akira Nakagawa (
Hiroyuki Ashida (

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