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Subject: RE: [wsdm] What comes first


The Management "of" Web services by definition and requirements
specified within the W3C is consistent with WSA (web services
architecture) and therefore will "use" Web services. I agree that the
first step is a management information model specific to Web service
resources (endpoints). Using the model defined for the management "of"
Web services we can then codify the model (WSDL, XSD etc) such that it
meets the defined requirements and is consistent with other initiatives
surrounding the "use" of Web services for management (GGF, DMTF etc).
This combined work can then be used and leveraged when looking at other
types of resources below and above the services layer that make sense to
be managed "using" Web services.

There are good reasons to adopt this approach, mostly driven by
producing something meaningful and useful to the Web service and
Management community in a timely fashion;

1) To attack Management "using" Web services is a vast and abstract
task. There will many levels of management specific to the resources
being managed (element level through services and applications to
logical compositions and processes) and to abstract this will take an
incredible amount of time and effort (even leveraging past work in this
area). We should work towards this but not try to boil the ocean
initially  - divide and conquer.

2) Managing of Web services using Web services is a natural starting
point, we will discover a lot about what can be done within the confines
of a specific resources, and the scope of the effort itself is
manageable and achievable given our time frames.

Mark Potts
Talking Blocks

> -----Original Message-----
> From: Nikula, Richard [mailto:Richard_Nikula@bmc.com]
> Sent: Friday, April 11, 2003 11:25 AM
> To: wsdm@lists.oasis-open.org
> Subject: [wsdm] What comes first
> I think that a more clear definition of the deliverables is
> required to answer which to do first.  Our goal in creating 
> the new charter was to leverage/augment work in DMTF, W3C and 
> GGF in particular.  We need to define what that means, then 
> based on the readiness of the groups, go from there. I think 
> a lot of our work is figuring how and if we can work within 
> the framework we propose.  
> Based on discussions in the old TC, while somewhat
> simplistically stated, I would have thought the first thing 
> we would do is to take the work done by the W3C in terms of 
> resources and methods; and working "with" the application 
> modeling team from DMTF, produce a web services model 
> (management of).  Once we had the web services model, we 
> could then proceed based on the work the GGF was doing to 
> produce a WSDL based implementation of the service 
> (management using). 
> Richard

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