The vnd and prs Trees for URI Scheme Names

Document Type Expired Internet-Draft (individual in app area)
Last updated 2015-10-14 (latest revision 2003-09-08)
Stream IETF
Intended RFC status Best Current Practice
Expired & archived
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Stream WG state (None)
Document shepherd No shepherd assigned
IESG IESG state Expired (IESG: Dead)
Consensus Boilerplate Unknown
Telechat date
Responsible AD Ted Hardie
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a way in which individuals and vendors can define URI schemes in a way that avoids name collisions, but with relaxed registration requirements. This is done by allowing URI schemes that start with 'vnd-' or 'prs-', analogous to similar mechanism MIME media types.


Ian King (
Larry Masinter (

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