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IANA Registries for the Remote Direct Data Placement (RDDP) Protocols
RFC 6580

Internet Engineering Task Force (IETF)                             M. Ko
Request for Comments: 6580                                    Consultant
Category: Standards Track                                       D. Black
ISSN: 2070-1721                                                      EMC
                                                              April 2012

 IANA Registries for the Remote Direct Data Placement (RDDP) Protocols

Abstract

   The original RFCs that specified the Remote Direct Data Placement
   (RDDP) protocol suite did not create IANA registries for RDDP error
   codes, operation codes, and function codes.  Extensions to the RDDP
   protocols now require these registries to be created.  This memo
   creates the RDDP registries, populates them with values defined in
   the original RDDP RFCs, and provides guidance to IANA for future
   assignment of code points within these registries.

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 5741.

   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/rfc6580.

Copyright Notice

   Copyright (c) 2012 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.

Ko & Black                   Standards Track                    [Page 1]
RFC 6580              IANA Considerations for RDDP            April 2012

Table of Contents

   1. Introduction ....................................................2
   2. Security Considerations .........................................2
   3. IANA Considerations .............................................2
      3.1. RDMAP Errors ...............................................3
      3.2. DDP Errors .................................................5
      3.3. MPA Errors .................................................6
      3.4. RDMAP Message Operation Codes ..............................7
      3.5. SCTP Function Codes for DDP Stream Session Control .........8
   4. Normative References ............................................9
   5. Informative References ..........................................9
   6. Acknowledgments .................................................9

1.  Introduction

   The original RFCs that specified the RDDP protocol suite [RFC5040]
   [RFC5041] [RFC5043] [RFC5044] did not create IANA registries.
   Extensions to the RDDP protocols [RFC6581] [RMP-EXT] now require
   creation and use of IANA registries.  This memo creates the RDDP-
   related IANA registries, specifies their initial contents based on
   the values defined in the original RDDP RFCs, and provides guidance
   to IANA for future assignments from these registries.  In addition,
   this memo allocates operation code and function code points for
   experimental use [RFC3692].

2.  Security Considerations

   Since this document is only concerned with creation and IANA
   management of RDDP registries, it raises no new security issues.

   However, a few words are necessary about the use of the experimental
   code points defined in Sections 3.4 and 3.5.  Potentially harmful
   side effects from the use of the experimental values need to be
   carefully evaluated before deploying any experiment across networks
   that the owner of the experiment does not entirely control.  Guidance
   given in [RFC3692] about the use of experimental values needs to be
   followed.

3.  IANA Considerations

   Allocation requests for the registries created by this memo may come
   with a suggested numerical value or values that should be assigned.
   Such suggestions are useful when early implementations have already
   chosen particular code points before the final RFC is published.  If
   the allocation request in general is accepted, such suggestions may
   be honored if the suggested value is still free to be assigned.

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