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Re: [ldapext] nfsv4 vs the ldap consistency model
-----Original Message-----
From: ldapext-bounces@ietf.org [mailto:ldapext-bounces@ietf.org] On
Behalf Of Howard Chu
Sent: Friday, November 21, 2008 3:50 PM
To: Leif Johansson
Cc: Ldapext list
Subject: Re: [ldapext] nfsv4 vs the ldap consistency model
Leif Johansson wrote:
> So I had a talk with the nfsv4 wg today (and on their list earlier).
The are
> trying to build AFS-style volume location for NFS using LDAP and I
think they
> may have a problem with the LDAP consistency model: i.e "eventually
> consistent" for a couple of their usecases.
>
> I won't go into details unless people particularly care but I think we
may
> need an I-D (something for a bof in SF perhaps) describing a control
which
> asks for the result of an update operation to be delayed until a
certain
> criterion (eg in the form of a compare condition) is fulfilled on all
> "slaves". Implementation details would differ depending on the precise
> way replication is done for that vendor.
>
> Does that sound like something you would
>
> a) barf at
> b) laugh at
> c) ignore
> d) review given that someone wrote it up?
Sounds like what's really wanted is a distributed transaction. Why not
just
call it that?
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/
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