[ogsa-bes-wg] Create a revised BES spec draft that reflects the decisions of the July F2F mtg
Ian Foster
foster at mcs.anl.gov
Fri Aug 4 16:19:52 CDT 2006
Marvin:
I've claimed the pen on the document, but have been finding it hard to find
time to make a lot of progress. I will try to do some work on it tomorrow
morning.
That said, I want to mention an important development that Dave Snelling
may or may not have mentioned on calls. Dave argues that we can avoid the
need for distinct renderings by defining our interfaces carefully. The
basic idea, as I understand it, is that:
a) the "core interface" has the basic operations for creating jobs,
modifying their status, etc., and an operation for grabbing all of the
factory state;
b) then, if desired, a WSRF service (for example) can also implement the
WS-ResourceProperties, WS-ResourceLifetime, WS-BaseNotification, operations;
c) while a WS-Resource service would implement the WS-Resource equivalents
of those.
So we exploit the power of interface composition to avoid the need for
separate bindings.
The only problematic issue, as I understand it, is that of faults. The
question is how we render faults. The WSRF binding must (by the spec) use
WS-BaseFaults. If we can all agree to use that, then we are ok. If not,
then we still have problems.
Ian.
At 01:29 PM 8/4/2006 -0700, Marvin Theimer wrote:
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>
>Hi;
>
>The HPC Profile (HPCP) work depends critically on BES. The recent
>face-to-face meeting at Argonne made substantial progress in terms of
>reshaping the proposed BES specification in a way that would make it
>suitable for supporting the HPCP on top of it. Are there plans to
>generate a new revision of the BES specification draft in the near
>future? As soon as the revised version comes into existence we'll be able
>to seriously start doing the actual HPCP work (which will take place on
>the hpcp-ogsa-wg mailing list and in weekly telecom calls that will be
>starting shortly).
>
>Since the HPCP WG is effectively gated on this revised spec, having a
>draft of a revised spec sometime in the next week or so would be really
>helpful. I would be willing to help rewrite the BES spec if that would be
>useful to the BES WG.
>
>Marvin.
_______________________________________________________________
Ian Foster, Director, Computation Institute
Argonne National Laboratory & University of Chicago
Argonne: MCS/221, 9700 S. Cass Ave, Argonne, IL 60439
Chicago: Rm 405, 5640 S. Ellis Ave, Chicago, IL 60637
Tel: +1 630 252 4619. Web: www.ci.uchicago.edu.
Globus Alliance: www.globus.org.
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