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IETF RFC 7564

2015 Edition, May 2015

Complete Document

PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application Protocols

Includes all amendments and changes through Change/Amendment , May 2015


Detail Summary

Active, Most Current

EN
Additional Comments:
OBSOLETE * S/S BY IETF RFC 8264
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Product Details:

  • Revision: 2015 Edition, May 2015
  • Published Date: May 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Internet Engineering Task Force (IETF)
  • Page Count: 40
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Application protocols using Unicode characters in protocol strings need to properly handle such strings in order to enforce internationalization rules for strings placed in various protocol slots (such as addresses and identifiers) and 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, enforcement, and comparison of internationalized strings ("PRECIS") in a way that depends on the properties of Unicode characters 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). This document obsoletes RFC 3454.