From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Tom Talpey <tom@talpey.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
Jeff Layton <jlayton@redhat.com>,
trond.myklebust@primarydata.com, schumaker.anna@gmail.com,
linux-nfs@vger.kernel.org, Chuck Lever <chuck.lever@oracle.com>,
linux-rdma@vger.kernel.org
Subject: Re: [PATCH 1/4] sunrpc: flag transports as using IETF approved congestion control protocols
Date: Thu, 23 Feb 2017 13:55:02 -0700 [thread overview]
Message-ID: <20170223205502.GA29673@obsidianresearch.com> (raw)
In-Reply-To: <18ef37c3-95db-9a2c-dbcb-f579672065d6@talpey.com>
On Thu, Feb 23, 2017 at 03:33:53PM -0500, Tom Talpey wrote:
> The key words are "IETF-approved". Mitigation and Interaction are
> operational decisions, not protocol design.
We are talking about this bit from RFC 3530 ?
Where an NFS version 4 implementation supports operation over the IP
network protocol, the supported transports between NFS and IP MUST be
among the IETF-approved congestion control transport protocols, which
include TCP and SCTP.
This gives most of RDMA an out as it is not over the IP protocol. The
only obvious troubled one is RoCEv2..
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Tom Talpey <tom-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
Cc: "J. Bruce Fields"
<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
trond.myklebust-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org,
schumaker.anna-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/4] sunrpc: flag transports as using IETF approved congestion control protocols
Date: Thu, 23 Feb 2017 13:55:02 -0700 [thread overview]
Message-ID: <20170223205502.GA29673@obsidianresearch.com> (raw)
In-Reply-To: <18ef37c3-95db-9a2c-dbcb-f579672065d6-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
On Thu, Feb 23, 2017 at 03:33:53PM -0500, Tom Talpey wrote:
> The key words are "IETF-approved". Mitigation and Interaction are
> operational decisions, not protocol design.
We are talking about this bit from RFC 3530 ?
Where an NFS version 4 implementation supports operation over the IP
network protocol, the supported transports between NFS and IP MUST be
among the IETF-approved congestion control transport protocols, which
include TCP and SCTP.
This gives most of RDMA an out as it is not over the IP protocol. The
only obvious troubled one is RoCEv2..
Jason
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next prev parent reply other threads:[~2017-02-23 20:55 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-23 17:03 [PATCH 0/4] nfs/nfsd/sunrpc: enforce requirement for congestion control protocols in NFSv4 Jeff Layton
2017-02-23 17:03 ` [PATCH 1/4] sunrpc: flag transports as using IETF approved congestion control protocols Jeff Layton
2017-02-23 19:42 ` Tom Talpey
2017-02-23 20:00 ` Jeff Layton
2017-02-23 20:00 ` Jeff Layton
2017-02-23 20:06 ` Tom Talpey
2017-02-23 20:06 ` Tom Talpey
2017-02-23 20:11 ` J. Bruce Fields
2017-02-23 20:11 ` J. Bruce Fields
2017-02-23 20:26 ` Jason Gunthorpe
2017-02-23 20:26 ` Jason Gunthorpe
2017-02-23 20:33 ` Tom Talpey
2017-02-23 20:33 ` Tom Talpey
2017-02-23 20:55 ` Jason Gunthorpe [this message]
2017-02-23 20:55 ` Jason Gunthorpe
2017-02-24 15:08 ` Tom Talpey
2017-02-24 15:08 ` Tom Talpey
2017-02-24 17:17 ` Jeff Layton
2017-02-24 17:17 ` Jeff Layton
2017-02-24 18:03 ` Jason Gunthorpe
2017-02-24 18:03 ` Jason Gunthorpe
2017-02-23 20:32 ` Jeff Layton
2017-02-23 20:32 ` Jeff Layton
2017-02-23 20:17 ` Chuck Lever
2017-02-23 20:17 ` Chuck Lever
2017-02-23 20:15 ` Chuck Lever
2017-02-23 17:03 ` [PATCH 2/4] sunrpc: turn bitfield flags in svc_version into bools Jeff Layton
2017-02-23 17:03 ` [PATCH 3/4] nfs/nfsd/sunrpc: enforce congestion control protocol requirement for NFSv4 Jeff Layton
2017-02-23 17:03 ` [PATCH 4/4] sunrpc: don't register UDP port with rpcbind when version needs congestion control Jeff Layton
2017-02-23 17:17 ` [PATCH 0/4] nfs/nfsd/sunrpc: enforce requirement for congestion control protocols in NFSv4 Jeff Layton
2017-02-24 18:25 ` [PATCH v2 0/4] nfs/nfsd/sunrpc: enforce NFSv4 transport requirements Jeff Layton
2017-02-24 18:25 ` [PATCH v2 1/4] sunrpc: turn bitfield flags in svc_version into bools Jeff Layton
2017-02-24 18:25 ` [PATCH v2 2/4] sunrpc: flag transports as having both reliable and ordered delivery, and congestion control Jeff Layton
2017-02-24 18:25 ` [PATCH v2 3/4] nfs/nfsd/sunrpc: enforce transport requirements for NFSv4 Jeff Layton
2017-02-24 18:25 ` [PATCH v2 4/4] sunrpc: don't register UDP port with rpcbind when version needs congestion control Jeff Layton
2017-02-24 18:38 ` [PATCH v2 0/4] nfs/nfsd/sunrpc: enforce NFSv4 transport requirements Chuck Lever
2017-02-24 18:53 ` Jeff Layton
2017-02-24 21:23 ` J. Bruce Fields
2017-02-24 18:53 ` Tom Talpey
2017-02-24 21:22 ` J. Bruce Fields
2017-02-24 21:25 ` J. Bruce Fields
2017-02-24 21:34 ` Jeff Layton
2017-02-24 21:44 ` J. Bruce Fields
2017-02-27 11:59 ` Jeff Layton
2017-02-27 12:08 ` Tom Talpey
2017-02-27 12:55 ` Jeff Layton
2017-02-27 14:20 ` J. Bruce Fields
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