Internet Engineering Task Force (IETF)                         T. Hardie
Request for Comments: 7936                                     July 2016
Updates: 6455
Category: Standards Track
ISSN: 2070-1721


                    Clarifying Registry Procedures
             for the WebSocket Subprotocol Name Registry

Abstract

  This document clarifies the instructions to IANA for the subprotocol
  registry set up for WebSockets in RFC 6455.

Status of This Memo

  This is an Internet Standards Track document.

  This document is a product of the Internet Engineering Task Force
  (IETF).  It represents the consensus of the IETF community.  It has
  received public review and has been approved for publication by the
  Internet Engineering Steering Group (IESG).  Further information on
  Internet Standards is available in Section 2 of RFC 7841.

  Information about the current status of this document, any errata,
  and how to provide feedback on it may be obtained at
  http://www.rfc-editor.org/info/rfc7936.

Copyright Notice

  Copyright (c) 2016 IETF Trust and the persons identified as the
  document authors.  All rights reserved.

  This document is subject to BCP 78 and the IETF Trust's Legal
  Provisions Relating to IETF Documents
  (http://trustee.ietf.org/license-info) in effect on the date of
  publication of this document.  Please review these documents
  carefully, as they describe your rights and restrictions with respect
  to this document.  Code Components extracted from this document must
  include Simplified BSD License text as described in Section 4.e of
  the Trust Legal Provisions and are provided without warranty as
  described in the Simplified BSD License.








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RFC 7936             IANA Clarification of RFC 6455            July 2016


Table of Contents

  1. Introduction ................................................... 2
  2. Clarified Instructions ......................................... 2
  3. Security Considerations ........................................ 2
  4. IANA Considerations ............................................ 2
  5. Normative References ........................................... 3
  Acknowledgements .................................................. 3
  Author's Address .................................................. 3

1.  Introduction

  Section 11.5 of [RFC6455] sets up a WebSocket Subprotocol Name
  Registry at IANA and directs IANA to use First Come First Serve
  registration procedures as set out in [RFC5226].  The reuse of this
  registry by other protocols has indicated that some clarification of
  the instructions to IANA would be useful.

2.  Clarified Instructions

  The tokens registered in the WebSocket Subprotocol Name Registry
  created by Section 11.5 of RFC 6455 are matched using case-sensitive
  string match.  IANA is, however, instructed to decline registrations
  in the registry which differ only as to case, in order to minimize
  potential confusion among different registered versions.  For other
  useful advice on avoiding collision, registrants are encouraged to
  consult the non-normative Section 1.9 of RFC 6455.

3.  Security Considerations

  This document describes an update to registry policy, not a protocol.

4.  IANA Considerations

  This document is, in its entirety, a clarification of the registry
  policy for the WebSocket Subprotocol Name Registry.  As part of this
  clarification, IANA has listed both this document and RFC 6455 as
  references for the WebSocket Subprotocol Name Registry.  In addition,
  IANA has included the following note under the registry's
  Registration Procedures: "Please see Section 2 of RFC 7936, which
  clarifies that registrations which differ from existing registrations
  only by case will be refused."









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RFC 7936             IANA Clarification of RFC 6455            July 2016


5.  Normative References

  [RFC6455]  Fette, I. and A. Melnikov, "The WebSocket Protocol",
             RFC 6455, DOI 10.17487/RFC6455, December 2011,
             <http://www.rfc-editor.org/info/rfc6455>.

  [RFC5226]  Narten, T. and H. Alvestrand, "Guidelines for Writing an
             IANA Considerations Section in RFCs", BCP 26, RFC 5226,
             DOI 10.17487/RFC5226, May 2008,
             <http://www.rfc-editor.org/info/rfc5226>.

Acknowledgements

  Takeshi Yoshino, Anne Van Kesteren, Julian Reshke, Barry Leiba, and
  Alexey Melnikov reviewed this update.  Harald Alvestrand acted as
  document shepherd.

Author's Address

  Ted Hardie

  Email: [email protected]





























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