[ogsa-wg] Minutes August 28, 2008

[David Snelling]

Folks,

Here they are, sorry about the abnormal format.

Roll call : Andrew, Sergio, Michel, Donnal, Hiro, Steven, Dave

Agenda Bashing: OK

Singapore:
	- Sergio, Michel, Steven, Hiro, Donnal.
	- OGSA Sessions: Mon 09:00, Wed 9:15.
	- Andrew will join by phone.

	New Action: Hiro: Talk to Joel about fixing clash with RSS, Check for  
clashes with GLUE-WG.

Minutes for Aug 7: Approved.

Action Review:
	- Sergio: Action is done, see below.
	- Dave: Overview of CMDBf activity, done see below.
	- Andrew: Simple port type addition of push with slides, pending.

Sergio: CEMon

 From his mail:

	1. CEMon website: http://grid.pd.infn.it/cemon/

	2. the WSDL documentation is here: http://grid.pd.infn.it/cemon/wsdl/

	3. the service is mainly targeted at push/pull mode delivery of events;

	4. the GetTopicEvent includes options such as "dialect", which enables
	to specify which format you want the info

	5. there is a visibility concept, to define who can access what (user,
	group, other like in linux: group can be a VO)

	6. the service interface can be easily extended to include the query
	expression and the query format

Andrew asked about access to multiple sources of information. The  
default is only one resource per CEMon. Publication is through LDAP,  
via BDII using Open LDAP, as a registry. At the moment there is no  
security framework, so only public information is available. The web  
site has a good set of slides.

CMDBf Discussion:

Dave presented the draft spec of CMDBf to the OGSA group
	o   The presented draft is available from the website www.cmdbf.org

	o   Eclipse project “Cosmos” implements variety of management  
functions (http://www.eclipse.org/cosmos/)

		§  Aim to provide a client compliant to the CMDBf and MDR port types

	o   CMDBf do not provide an Information Model, OGSA needs one



Hiro: This is a kind of directory or information source. What is the  
difference in target of OGSA-IS and CMDBf? Dave: Most differences are  
about the use cases. CMDBf mainly discusses non-volatile or dynamic  
information as OGSA-IS does, although the CMDBf specs do not preclude  
this. OGSA IS talks more about jobs submitted, jobs status and  
resource availability.

Andrew: The IS discussion is around for a while. CMDBf looks very  
powerful but also intimidating. Are we over-engineering this problem?  
Maybe we adopt the WS-DAI family of specs (because they are fairly  
simple)? Would we then profile on the available information models  
available? Dave: Almost the same question arose at the starting of the  
CMDBf Working Group. The group resolved that WS-DAI would be too much  
to swallow for the group to handle (Dave did not agree with that). The  
management scope dramatically narrows down the focus of IM/IS  
applicability

General thought: The port type for an IS is not the problem – it is  
the information model that typically is the problem

AOB:

	Invitations to Info session: BES/HPCBP implementers, GLUE developers,  
Info Service developers, RSS people, and possibly JSDL people.

	New Action: Donnal: Send invitations to GLUE-WG, RSS-WG after the  
scheduling problems have been fixed.

	New Action: Steven: Provide slides for the ISV Primer session.

Next Call: No call for Info before OGF24.



Take care:

     Dr. David Snelling < David . Snelling . UK . Fujitsu . com >
     Fujitsu Laboratories of Europe Limited
     Hayes Park Central
     Hayes End Road
     Hayes, Middlesex  UB4 8FE
     Reg. No. 4153469

     +44-208-606-4649 (Office)
     +44-7768-807526  (Mobile)



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