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Remote Direct Memory Access (RDMA) Protocol Extensions (RFC7306) Disclosure Number: IPCOM000237609D
Original Publication Date: 2014-Jun-01
Included in the Prior Art Database: 2014-Jun-27
Document File: 68 page(s) / 74K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

H. Shah: AUTHOR [+5]


The RDMA Protocol [RFC5040] provides capabilities for zero-copy data communications that preserve memory protection semantics, enabling more efficient network protocol implementations. The RDMA Protocol is part of the iWARP family of specifications which also include RFC 5041 [RFC5041], RFC 5044 [RFC5044], and RFC 6581 [RFC6581]. This document specifies the following extensions to the RDMA Protocol (RDMAP):

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Internet Engineering Task Force (IETF)                           H. Shah Request for Comments: 7306                          Broadcom Corporation Category: Standards Track                                       F. Marti ISSN: 2070-1721                                            W. Noureddine                                                             A. Eiriksson                                             Chelsio Communications, Inc.                                                                 R. Sharp                                                        Intel Corporation                                                                June 2014

          Remote Direct Memory Access (RDMA) Protocol Extensions


   This document specifies extensions to the IETF Remote Direct Memory    Access Protocol (RDMAP) as specified in RFC 5040.  RDMAP provides    read and write services directly to applications and enables data to    be transferred directly into Upper-Layer Protocol (ULP) Buffers    without intermediate data copies.  The extensions specified in this    document provide the following capabilities and/or improvements:    Atomic Operations and Immediate Data.

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

Shah, et al.                 Standards Track                    [Page 1]
 RFC 7306                RDMA Protocol Extensions               June 2014

 Copyright Notice

   Copyright (c) 2014 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    ( 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 ...