[ogsa-wg] RE: GRIDtoday Edition: Tony Hey: 'Challenging Times for GGF & Standards'

Dave Berry daveb at nesc.ac.uk
Tue Mar 1 11:17:29 CST 2005


Mark,

Perhaps you could be a person that sits down with some of the sceptics
and tries to get to the bottom of their concerns?

Dave.

> -----Original Message-----
> From: Mark Morgan [mailto:mmm2a at virginia.edu] 
> Sent: 01 March 2005 17:10
> To: Dave Berry; gannon at cs.indiana.edu; foster at mcs.anl.gov
> Cc: meder at mcs.anl.gov; ogsa-wg at gridforum.org; tony.hey at epsrc.ac.uk
> Subject: RE: [ogsa-wg] RE: GRIDtoday Edition: Tony Hey: 
> 'Challenging Times for GGF & Standards'
> 
> Isn't WSRF.NET at the University of Virginia essentially 
> proof of this?
> 
> --
> Mark Morgan
> Research Scientist
> Department of Computer Science
> University of Virginia
> http://www.cs.virginia.edu
> mmm2a at virginia.edu
> (434) 982-2790  
> 
> > -----Original Message-----
> > From: owner-ogsa-wg at ggf.org [mailto:owner-ogsa-wg at ggf.org] On 
> > Behalf Of Dave Berry
> > Sent: Tuesday, March 01, 2005 12:07 PM
> > To: Dennis Gannon; Ian Foster
> > Cc: Samuel Meder; ogsa-wg; Tony Hey
> > Subject: RE: [ogsa-wg] RE: GRIDtoday Edition: Tony Hey: 
> > 'Challenging Times for GGF & Standards'
> > 
> > Hi Dennis,
> > 
> > MS were definitely in evidence at the meeting that Tony 
> > reported in his GridToday article.  Whether the MS people 
> > there represented official company policy is less clear, but 
> > certainly those people have had some influence in the UK 
> > e-Science community.
> > 
> > Other people are concerned that if MS do not explicitly 
> > support WSRF, this will make it harder to develop and/or 
> > deploy Grid services on MS systems.  WSRF supporters say that 
> > this will have no effect, as the support that MS has for 
> > WS-Addressing is sufficient.  It seems to me that this 
> > question could be settled by experiment.  A WSRF supporter 
> > who is fluent in .Net could sit down with some of the 
> > sceptics while they attempt to create a WSRF service.  
> > 
> > Dave.
> > 
> > > -----Original Message-----
> > > From: owner-ogsa-wg at ggf.org [mailto:owner-ogsa-wg at ggf.org] 
> > On Behalf 
> > > Of Dennis Gannon
> > > Sent: 01 March 2005 12:54
> > > To: Ian Foster
> > > Cc: Samuel Meder; ogsa-wg; Tony Hey
> > > Subject: Re: [ogsa-wg] RE: GRIDtoday Edition: Tony Hey: 
> > > 'Challenging Times for GGF & Standards'
> > > 
> > > hi Ian,
> > > i agree that this consistency is critical.  But how much WSRF or 
> > > ws-trans/ws-enum must be visible to the application 
> > builder?  Perhaps 
> > > it is essential that one or the other must be exposed.  i 
> > don't know.
> > > perhaps doing so just adds another layer abstraction 
> layer as frank 
> > > suggests. but it may also be that we have defined the wrong 
> > > abstraction layers to start from.  again, i don't know.
> > > 
> > > my other point is this: i don't see this as a debate with 
> > MS.  i see a 
> > > debate right in the core of GGF membership.  from what i 
> > can see, MS 
> > > is a no-show at this party.
> > > 
> > > dennis
> > > 
> > > On Mon, 28 Feb 2005, Ian Foster wrote:
> > > 
> > > > Dennis:
> > > >
> > > > I'm not sure that the "we don't need WSRF" is the heart of
> > > the debate. If
> > > > it was, then I think things are fairly clear: WSRF is just
> > > some conventions
> > > > for the messages that you send to do certain things (e.g., 
> > > > getResourceProperty to get state, Terminate to destroy 
> > something, or 
> > > > whatever the names are) in a WS context. If you don't 
> have those 
> > > > conventions, then everyone ends up defining their own, so
> > > that e.g. a job
> > > > management interface might have "getJobStatus" and
> > > "destroyJob", a file
> > > > transfer interface might have "getTransferStatus" and
> > > "destroyTransfer".
> > > > This lack of consistency just makes life difficult, without
> > > providing any
> > > > benefits.
> > > >
> > > > The debate with MS, as I understand it, seems to rather
> > > relate to the fact
> > > > that they are promoting a *different* set of conventions
> > > for doing similar
> > > > things, e.g., WS-Transfer instead of WS-ResourceProperties.
> > > >
> > > > Ian.
> > > >
> > > >
> > > >
> > > > At 10:23 PM 2/28/2005 -0500, Dennis Gannon wrote:
> > > > >hi Sam,
> > > > >i don't think MS has any orchestrated view on WSRF at all
> > > (but i may
> > > > >be wrong.)  I think it is more the case that there are
> > > people working on
> > > > >grid standards (outside of microsoft) that feel that what
> > > exists in the
> > > > >ws-spec world is sufficient. hence if there is any onus,
> > > it is on those
> > > > >folks to show us that this is true.  what tony is saying
> > > is that users,
> > > > >i.e. application builders, should not have to deal with
> > > these details. The
> > > > >should see clearly defined OGSA services and they should
> > > have an easy
> > > > >to understand set of interaction patterns to use these
> > > services to build
> > > > >thier applications.  the OGSA point of view is that to be
> > > precise in
> > > > >the definition of these behavior patterns requires a
> > > framework like wsrf.
> > > > >
> > > > >i actually feel that these things can all coexist.  but
> > > from the politics
> > > > >of "what is simple", we seem to live in interesting times.
> > > > >
> > > > >dennis
> > > > >
> > > > >On Mon, 28 Feb 2005, Samuel Meder wrote:
> > > > >
> > > > > > On Mon, 2005-02-28 at 14:38 -0800, Frank Siebenlist wrote:
> > > > > > > Could anyone summarize MS' WS-view, and how it
> > > differs from WSRF?
> > > > > >
> > > > > > So far I have not seen any substantial difference
> > > between the two
> > > > > > approaches and I definitely believe the onus is on MS
> > > to show why people
> > > > > > should adopt their proprietary specifications vs. 
> > > adopting something
> > > > > > that is being developed in a open standards body, is
> > > getting very close
> > > > > > to a 1.0 version and has multiple implementations behind it.
> > > > > >
> > > > > > /Sam
> > > > > >
> > > > > > >
> > > > > > > Thanks, Frank.
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Hiro Kishimoto wrote:
> > > > > > >
> > > > > > > >Hi all,
> > > > > > > >
> > > > > > > >Absorbing article by Tony Hey.
> > > > > > > >
> > > > > > > >http://news.tgc.com/nview.jsp?appid=360&print=1#342708
> > > > > > > >----
> > > > > > > >Hiro Kishimoto
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >>                                GRIDtoday
> > > > > > > >>             NEWS AND INFORMATION FOR THE GLOBAL
> > > GRID COMMUNITY
> > > > > > > >>                    --- February 28, 2005: Vol. 
> > 4, No. 8 ---
> > > > > > > >>           
> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > > > > > >>SPECIAL FEATURES
> > > > > > > 
> > > >>==============================================================
> > > > > > > >>
> > > > > > > >>[ ] M342708 ) WSRF? WS-*? Where is GGF's OGSA Headed?
> > > > > > > >>              By Tony Hey, Contributing Editor
> > > > > > > >>
> > > > > > > >>  Tony Hey, director of e-Science for the
> > > Engineering and Physical
> > > > > > > >>Science Research Council, continues to elaborate
> > > the need for open
> > > > > > > >>standards in the realm of Web services-based Grid
> > > computing. He
> > > > > > > >>discusses the great debate of WSRF vs. WS-*, and
> > > lays out what the
> > > > > > GGF
> > > > > > > >>must do with OGSA in order to give e-Science
> > > application developers
> > > > > > > >>something to rally around.
> > > > > > > >>
> > > > > > > >>
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > --
> > > > > > Sam Meder <meder at mcs.anl.gov>
> > > > > > The Globus Alliance - University of Chicago
> > > > > > 630-252-1752
> > > > > >
> > > > > >
> > > > > >
> > > >
> > > > _______________________________________________________________
> > > > Ian Foster                    www.mcs.anl.gov/~foster
> > > > Math & Computer Science Div.  Dept of Computer Science
> > > > Argonne National Laboratory   The University of Chicago
> > > > Argonne, IL 60439, U.S.A.     Chicago, IL 60637, U.S.A.
> > > > Tel: 630 252 4619             Fax: 630 252 1997
> > > >          Globus Alliance, www.globus.org
> > > >
> > > 
> > > 
> > 
> > 
> 





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