Multiple NFSv4 Domain Namespace Deployment Guidelines
draft-ietf-nfsv4-multi-domain-fs-reqs-02
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Active Internet-Draft (nfsv4 WG)
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Andy Adamson
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Nicolás Williams
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2015-07-22
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IETF
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NFSv4 Working Group W. Adamson
Internet-Draft NetApp
Intended status: Standards Track N. Williams
Expires: January 23, 2016 Cryptonector
July 22, 2015
Multiple NFSv4 Domain Namespace Deployment Guidelines
draft-ietf-nfsv4-multi-domain-fs-reqs-02
Abstract
This document describes administrative constraints to the deployment
of the NFSv4 protocols required for the construction of an NFSv4 file
system namespace supporting the use of multiple NFSv4 domains and
utilizing multi-domain capable file systems. Also described are
administrative constraints to name resolution and security services
appropriate to such a system. Such a namespace is a suitable way to
enable a Federated File System supporting the use of multiple NFSv4
domains.
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
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 23, 2016.
Adamson & Williams Expires January 23, 2016 [Page 1]
Internet-Draft Multi NFSv4 Domain July 2015
Copyright Notice
Copyright (c) 2015 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.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. NFSv4 Server Identity Mapping . . . . . . . . . . . . . . . . 4
4. Stand-alone NFSv4 Domain Deployment Examples . . . . . . . . 5
4.1. AUTH_SYS with Stringified UID/GID . . . . . . . . . . . . . 6
4.2. AUTH_SYS with name@domain . . . . . . . . . . . . . . . . . 6
4.3. RPCSEC_GSS with name@domain . . . . . . . . . . . . . . . . 7
5. Multi-domain Constraints to the NFSv4 Protocol . . . . . . . 7
5.1. Name@domain Constraints . . . . . . . . . . . . . . . . . . 7
5.1.1. NFSv4 Domain and DNS Services . . . . . . . . . . . . . . 8
5.1.2. NFSv4 Domain, Name Service, and Domain Aware File Systems 9
5.2. RPC Security Constraints . . . . . . . . . . . . . . . . . 9
5.2.1. NFSv4 Domain and Security Services . . . . . . . . . . . 10
6. Resolving Multi-domain Authorization Information . . . . . . 10
7. Stand-alone Examples and Multiple NFSv4 Domain Namespaces . . 11
8. Security Considerations . . . . . . . . . . . . . . . . . . . 12
9. Normative References . . . . . . . . . . . . . . . . . . . . 12
Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . 13
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 13
1. Introduction
An NFSv4 domain is defined as a set of users, groups and computers
running NFSv4.0 [I-D.ietf-nfsv4-rfc3530bis] and NFSv4.1 [RFC5661]
(hereafter referred to as NFSv4) protocols identified by an NFSv4
domain name.
The Federated File System (FedFS) [RFC5716] describes the
requirements and administrative tools to construct a uniform NFSv4
file server based namespace that is capable of spanning a whole
enterprise and that is easy to manage.
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The FedFS is the standardized method of constructing and
administrating an enterprise wide NFSv4 filesystem, and so is
referenced in this document. The issues with multiple NFSv4 domain
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