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WG Review: Network File System Version 4 (nfsv4)
A modified charter has been submitted for Network File System Version 4
(nfsv4) in the Transport Area of the IETF.
Network File System Version 4 (nfsv4)
-------------------------------------
Current Status: Active Working Group
Chair(s):
Brian Pawlowski <beepy@netapp.com>
Robert Thurlow <robert.thurlow@sun.com>
Transport Area Director(s):
Scott Bradner <sob@harvard.edu>
Allison Mankin <mankin@psg.com>
Transport Area Advisor:
Scott Bradner <sob@harvard.edu>
Mailing Lists:
General Discussion:nfsv4-wg@sunroof.eng.sun.com
To Subscribe: majordomo@sunroof.eng.sun.com
Archive: http://playground.sun.com/pub/nfsv4/nfsv4-wg-archive
Description of Working Group:
The objective of this working group is to advance the state of NFS
technology by producing specifications to extend the original NFS
Version 4 work (RFC 3010) to provide additional capabilities, as
described below.
o NFS version 4
Advance the protocol along the standards track, coordinating the
development of test suites to provide a high level of implementation
quality. The ONC RPC standards that NFSv4 references must also be
advanced. This includes work to make NFSv4 and the underlying ONC RPC
protocol compatible with IPv6. Specifically, we will advance RFC
3010, RFC 1831, RFC 1833 and RFC 2203 to Draft Standard. The working
group will help advance related security RFCs, specifically through
the definition of a method to advance APIs.
o Replication and Migration
The original working group defined a mechanism for NFS clients and
servers to support replication and migration of data transparently
to an application. Left undefined in the initial work was the
server back end migration and replication mechanism. The working
group will produce a draft submission of a replication/migration
protocol that supports NFS Version 4 clients - needed to create and
maintain replicated filesystems as well as migrating filesystems
from one location to another - and servers for consideration as
Proposed Standard.
o Management
The working group will produce a draft submission for consideration
as Proposed Standard of a management MIBs to provide better
management and administration capabilities for NFS and ONC RPC.
o Minor Versions
NFS Version 4 contains within it the capability for minor versioning.
Some discussions within the working group suggest addressing
additional requirements over the original charter. The WG will work
to identify additional requirements for NFSv4 and determine if they
are appropriate and worthwhile for a minor version. This work may
lead to proposals for additional work items. If it does a specific
proposal to add these work items to the charter will be forwarded to
the IESG and IAB.
=================================================
NEW CHARTER WORDING ADDITION:
o RDMA/RDDP enabling
The performance benefit of RDMA/RDDP transports in NFS-related
applications, by reducing the overhead of data and metadata
exchange, has been demonstrated sufficiently such that the
working group will pursue in parallel enabling NFS and RPC over
the transport defined by the RDDP working group. The WG will
restrict its initial activities to defining the problem
statement and specifying the requirements for possible
extensions to RPC and NFS (in the context of a minor
revision).
=================================================
Goals and Milestones:
Done Issue strawman Internet-Draft for v4
Done Submit Initial Internet-Draft of requirements document
Done Submit Final Internet-Draft of requirements document
Done AD reassesses WG charter
Done Submit v4 Internet-Draft sufficient to begin prototype implementations
Done Begin Interoperability testing of prototype implementations
Done Submit NFS version 4 to IESG for consideration as a
Proposed Standard.
Done Conduct final Interoperability tests
Done Conduct full Interoperability tests for all NFSv4 features
Done Update API advancement draft
Done Form core design team to work on NFS V4
migration/replication requirements and protocol
Done Submit revised NFS Version 4 specification (revision to RFC
3010) to IESG for consideration as a Proposed Standard
OCT 02 ADs to submit API advancement internet draft as
informational RFC (needed to advance GSSAPI to Draft
Standard to allow advancement of NFS Version 4)
OCT 02 Strawman NFS V4 replication/migration protocol proposal
submitted as an ID
NOV 02 Internet draft on NFS V4 migration/replication requirements
NOV 02 AD review of NFS V4 migration/replication requirements
draft
DEC 02 Creation of internet draft on ONC RPC MIB
DEC 02 Revision of internet draft on NFS MIB
DEC 02 Depending on results of AD review of NFS Version 4
migration/replication requirements document, review scope
of task
FEB 03 Submit related Proposed Standards required by NFS Version 4
for consideration as Draft Standards to IESG - RFCs 1831,
1833, 2203, 2078, 2744, RFC 1964, & 2847
MAR 03 Continued interoperability testing of NFS Version 4
MAY 03 Document full Interoperability tests for all NFSv4 features
MAY 03 Interoperability tests of NFS V4 migration/replication
MAY 03 Submit an NFS V4 migration/replication protocol to IESG for
consideration as a Proposed Standard
MAY 03 Submit ONC RPC and NFS MIBs to IESG for consideration as
Proposed Standards
JUN 03 Submit report on results of interoperability testing
AUG 03 Submit revised NFS Version 4 Proposed Standard for
consideration as Draft Standard to IESG
=================================================
NEW MILESTONES
FEB 03 ADs to submit API advancement internet draft as
nformational RFC (needed to advance GSSAPI to Draft
Standard to allow advancement of NFS Version 4)
DONE Strawman NFS V4 replication/migration protocol
proposal submitted as an ID
FEB 03 Internet draft on NFS V4 migration/replication requirements
FEB 03 AD review of NFS V4 migration/replication requirements draft
FEB 03 Creation of internet draft on ONC RPC MIB
JAN 03 Revision of internet draft on NFS MIB
JUN 03 Depending on results of AD review of NFS Version 4
migration/replication requirements document, review
scope of task
FEB 03 Draft problem statement I-D for NFS/RPC/RDDP submitted
JUN 03 Submit related Proposed Standards required by NFS
Version 4 for consideration as Draft Standards to
IESG - RFCs 1831, 1833, 2203, 2078, 2744, RFC 1964, & 2847
MAR 03 Continued interoperability testing of NFS Version 4
MAR 03 Draft requirements document I-D for NFS/RPC/RDDP submitted
APR 03 AD review of NFS/RPC/RDDP progress and charter
MAY 03 Document full Interoperability tests for all NFSv4 features
JUL 03 Interoperability tests of NFS V4 migration/replication
JUN 03 Submit an NFS V4 migration/replication protocol to
IESG for consideration as a Proposed Standard
JUN 03 Submit ONC RPC and NFS MIBs to IESG for consideration as
Proposed Standards
JUN 03 Submit report on results of *NFS VERSION 4 RFC*
interoperability testing
AUG 03 Submit revised NFS Version 4 Proposed Standard for
consideration as Draft Standard to IESG