Label Generation Rules (lager)

Last modified: 2016-10-27

Chairs

Applications and Real-Time Area Advisor

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General Discussion: lager@ietf.org
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Archive: https://mailarchive.ietf.org/arch/browse/lager/

Description of Working Group:

Domain registries, particularly those implementing IDNA (RFC 5890 et.al), usually maintain a set of criteria (or "ruleset") that governs permissible labels allowed for registration, such as [IANAIDNTABLES]. These rulesets are commonly a mixture of eligible code points along with contextual criteria that must be met concerning the positioning of certain code points. Some registries also specify rules regarding variant labels and how they are to be handled. Domain registries commonly need to share these rules, but there is no interoperable format that can be used that can support many common use cases. This group seeks to produce such a format, which will enable re-use and sharing of existing rulesets, and simpler implementation of new rulesets in registries.

A comprehensive format specification has been developed, named Label Generation Rules, primarily to support the rules to be used for the DNS Root Zone [Davies]. This group will use this specification as a starting point to develop a common XML language that provides a superset of functionality of current specifications [RFC 3743, RFC 4290, et.al], along with other known use cases. This single format is expected to supersede existing formats, and form the basis for future rulesets used at different levels of the DNS hierarchy.

Work items:
- Standard Track Specification of the Label Generation Rules

References:
[Davies] https://datatracker.ietf.org/doc/draft-davies-idntables/
[IANAIDNTABLES] https://www.iana.org/domains/idn-tables

Goals and Milestones

Dec 2015 Send the Label Generation Rules specification to the IESG
draft-davies-idntables

No Internet-Drafts

Request for Comments

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