[nfsv4] Eric Rescorla's Discuss on draft-ietf-nfsv4-flex-files-15: (with DISCUSS and COMMENT)

Eric Rescorla <ekr@rtfm.com> Wed, 24 January 2018 21:48 UTC

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From: Eric Rescorla <ekr@rtfm.com>
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Date: Wed, 24 Jan 2018 13:48:21 -0800
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Subject: [nfsv4] Eric Rescorla's Discuss on draft-ietf-nfsv4-flex-files-15: (with DISCUSS and COMMENT)
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Eric Rescorla has entered the following ballot position for
draft-ietf-nfsv4-flex-files-15: Discuss

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DISCUSS:
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I concur with Kathleen's discuss. To put a finer point on it, I think the
security considerations section here needs to really clearly state what the
security properties of this design are and how they differ from existing NFS.
That's not true yes.


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COMMENT:
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- I'm a bit confused on whether the client can tell which model the server is using. I see:

   An implementation can always be deployed as a loosely coupled model.
   There is however no way for a storage device to indicate over a NFS
   protocol that it can definitively participate in a tightly coupled
   model:

But then there is a flag that you use to indicate you are tightly coupled. So I'm confused.


- I note that some of your PDUs have /// in front and some do not. E.g., Section 5. Is that a bug.

- S 2.2.
" Note: it is recommended to implement common access control methods at"

Do you want RECOMMENDED.