[glue-wg] GLUE for describing resource requests (use case DGSI)
andre at merzky.net
Wed Jan 12 06:25:24 CST 2011
how is the new rendering getting along? :-)
On Mon, Nov 29, 2010 at 3:51 PM, Sergio Andreozzi
<sergio.andreozzi at egi.eu> wrote:
> Hi Mikael,
> the new rendering of GLUE 2.0 that we are preparing will solve this issue.
> We'll contact you when a new draft will be ready, before the end of the
> Cheers, Sergio
> On 18 November 2010 12:27, Mikael Högqvist <hoegqvist at zib.de> wrote:
>> I'm working in the DGSI project (a German D-Grid project) where our
>> goal is to design and implement an interoperability framework between
>> community schedulers and community bound resources. More specifically,
>> this include protocols and services for delegation of activities as
>> well as resources. We are primarily basing our protocols on OGF
>> standards and recommendations and have tight collaboration with both
>> the GRAAP (WS-Agreement/Negotiation) and DCI-Fed working groups within
>> In the first information model we decided to use GLUE 2.0 for both
>> resource descriptions and resource request specification. However
>> describing resource requests with GLUE turned out to be difficult to
>> implement. The main issue that we have is the restrictions in the GLUE
>> 2.0 XML schema which makes it difficult to use only specific
>> elements/group of elements in a document instance.
>> For example, we would like to use the AccessPolicy element to describe
>> requirements on who (e.g. DN/VO) is authorized to access a delegated
>> resource. But to use this element, we need to create the entire
>> hierarchy with Service/ComputingService/ComputingEndpoint and their
>> respective required elements (e.g. ID, QualityLevel, ...) when using
>> the GLUE 2.0 XSD.
>> Currently, our solution is to use JSDL for specifying both activity
>> and resource delegation requests. However, JSDL is not sufficient for
>> all our use cases/requirements and we would like to use GLUE for
>> specifying resource requests in our next version.
>> Is there any work going on in the glue-wg to make the XSD rendering
>> more lenient towards other use cases such as resource requirement
>> specification? Or making it possible to use a subset of GLUE and
>> combine it with other info models such as JSDL?
>> Thank you in advance and Best Regards,
>> Mikael Högqvist
>> glue-wg mailing list
>> glue-wg at ogf.org
> Sergio Andreozzi - Policy Development Manager
> EGI.eu - Amsterdam - The Netherlands - http://egi.eu
> glue-wg mailing list
> glue-wg at ogf.org
Nothing is ever easy...
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