A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Preparation and Comparison of Internationalized Strings Working Group of the IETF.
Title : PRECIS Framework: Preparation and Comparison of Internationalized Strings in Application Protocols
Author(s) : Peter Saint-Andre
Marc Blanchet
Filename : draft-ietf-precis-framework-09.txt
Pages : 65
Date : 2013-07-10
Abstract:
Application protocols using Unicode code points in protocol strings
need to properly prepare such strings in order to perform valid
comparison operations (e.g., for purposes of authentication or
authorization). This document defines a framework enabling
application protocols to perform the preparation and comparison of
internationalized strings (a.k.a. "PRECIS") in a way that depends on
the properties of Unicode code points and thus is agile with respect
to versions of Unicode. As a result, this framework provides a more
sustainable approach to the handling of internationalized strings
than the previous framework, known as Stringprep (RFC 3454). A
specification that reuses this framework can either directly use the
PRECIS string classes or subclass the PRECIS string classes as
needed. This framework takes an approach similar to the revised
internationalized domain names (IDNs) in applications (IDNA)
technology (RFC 5890, RFC 5891, RFC 5892, RFC 5893, RFC 5894) and
thus adheres to the high-level design goals described in the IAB's
recommendations regarding IDNs (RFC 4690), albeit for application
technologies other than the Domain Name System (DNS). This document
obsoletes RFC 3454.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-precis-framework
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-precis-framework-09
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-precis-framework-09
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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