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Reservation Strategies for the Zeroth and Last Code Points in IETF Registries and for Bit Field Registries

Document Type Expired Internet-Draft (individual)
Expired & archived
Author Jeffrey Haas
Last updated 2016-03-21 (Latest revision 2015-09-18)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document describes common code point reservation strategies for the zeroth and last code points in IANA-managed IETF registries and for bit-field registries. This document additionally provides the reasoning to support these strategies and their adoption as Best Current Practices to be applied to all IETF registries.


Jeffrey Haas

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