Network File System (NFS) Upper Layer Binding To RPC-Over-RDMA Version One
draft-ietf-nfsv4-rfc5667bis-10

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Network File System Version 4                              C. Lever, Ed.
Internet-Draft                                                    Oracle
Obsoletes: 5667 (if approved)                                May 5, 2017
Intended status: Standards Track
Expires: November 6, 2017

 Network File System (NFS) Upper Layer Binding To RPC-Over-RDMA Version
                                  One
                     draft-ietf-nfsv4-rfc5667bis-10

Abstract

   This document specifies Upper Layer Bindings of Network File System
   (NFS) protocol versions to RPC-over-RDMA Version One, enabling the
   use of Direct Data Placement.  This document obsoletes RFC 5667.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on November 6, 2017.

Copyright Notice

   Copyright (c) 2017 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

Lever                   Expires November 6, 2017                [Page 1]
Internet-Draft           NFS on RPC-Over-RDMA V1                May 2017

   publication of this document.  Please review these documents
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   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Reply Size Estimation . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Short Reply Chunk Retry . . . . . . . . . . . . . . . . .   4
   3.  Upper Layer Binding for NFS Versions 2 and 3  . . . . . . . .   5
     3.1.  Reply Size Estimation . . . . . . . . . . . . . . . . . .   5
     3.2.  RPC Binding Considerations  . . . . . . . . . . . . . . .   5
   4.  Upper Layer Bindings for NFS Version 2 and 3 Auxiliary
       Protocols . . . . . . . . . . . . . . . . . . . . . . . . . .   6
     4.1.  MOUNT, NLM, and NSM Protocols . . . . . . . . . . . . . .   6
     4.2.  NFSACL Protocol . . . . . . . . . . . . . . . . . . . . .   6
   5.  Upper Layer Binding For NFS Version 4 . . . . . . . . . . . .   7
     5.1.  DDP-Eligibility . . . . . . . . . . . . . . . . . . . . .   7
     5.2.  Reply Size Estimation . . . . . . . . . . . . . . . . . .   7
     5.3.  RPC Binding Considerations  . . . . . . . . . . . . . . .   8
     5.4.  NFS COMPOUND Requests . . . . . . . . . . . . . . . . . .   8
     5.5.  NFS Callback Requests . . . . . . . . . . . . . . . . . .  11
     5.6.  Session-Related Considerations  . . . . . . . . . . . . .  12
     5.7.  Transport Considerations  . . . . . . . . . . . . . . . .  13
   6.  Extending NFS Upper Layer Bindings  . . . . . . . . . . . . .  14
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  14
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  15
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  16
   Appendix A.  Changes Since RFC 5667 . . . . . . . . . . . . . . .  17