4rd Applicability Statement

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Last updated 2011-03-14
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document discusses the applicability of the IPv4 Residual Deployment (4rd) protocol, and an address sharing mechanism, NAT44 on 4rd CE side, and routing optimization to provide IPv4 connectivity in 4rd capable IPv6-only networks.


Chunfa Sun (c-sun@bb.softbank.co.jp)
Satoru Matsushima (satoru.matsushima@tm.softbank.co.jp)
Jie Jiao (j-jiao@bb.softbank.co.jp)

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