RE: [wsn] Multiple endpoints in IRP?

["Vambenepe, William N" <vbp@hp.com>]

Yes, it is an accepted requirement of the WSDM TC to provide a
"collection" mechanism.

William  

-----Original Message-----
From: David Hull [mailto:dmh@tibco.com] 
Sent: Thursday, August 05, 2004 8:45 PM
To: Vambenepe, William N
Cc: Steve Graham; wsn@lists.oasis-open.org
Subject: Re: [wsn] Multiple endpoints in IRP?

Yes, I now realize I misread the original statement.

However, I'm still curious whether the WSRF subgroup will be exploring
means of multiple addressing.

Vambenepe, William N wrote:

>(with my TC member hat on, not my chair hat)
>
>The statement you pointed out is really just a reinforcement of the 
>rules of the IRP. And, as Steve says, it doesn't imply any capability 
>to address WS-Resources as groups. Or did I misunderstand your question

>David?
>
>William
>
>
>________________________________
>
>From: Steve Graham [mailto:sggraham@us.ibm.com]
>Sent: Thursday, August 05, 2004 1:43 PM
>To: David Hull
>Cc: wsn@lists.oasis-open.org
>Subject: Re: [wsn] Multiple endpoints in IRP?
>
>
>
>hi David: 
>I would think that one of our WSDM colleagues could comment further.
>But from my read of the statement you quoted from WSDM MUWS, it was 
>simply observing that a manageability endpoint (eg a Web service
>endpoint) may be the front end for multiple resources.  Therefore the 
>IRP must be used to identify any single one of those resources.  I 
>didn't get the read that there was any capability implied to access a 
>group of more than one resource with a single EPR.  This is not 
>possible from what I understand of WS-Addressing.
>
>sgg
>
>++++++++
>Steve Graham
>(919)254-0615 (T/L 444)
>STSM, On Demand Architecture
>Member, IBM Academy of Technology
><Soli Deo Gloria/>
>++++++++
>
>
>
>
>	David Hull <dmh@tibco.com>
>
>08/05/2004 04:14 PM
>
>	        
>        To:        wsn@lists.oasis-open.org 
>        cc:         
>        Subject:        [wsn] Multiple endpoints in IRP?
>
>
>
>While reading through WSDM MUWS, I ran across this interesting
>statement:
>
>"If the manageability endpoint corresponds to a variable number (zero 
>or
>
>more) of manageable resources, then the WSRF Implied Resource Pattern 
>MUST be followed.  This means that the element(s) listed in the 
>ReferenceProperties of a WS-Resource qualified EPR must be included in 
>the header of messages sent to such manageability endpoints."
>
>This seems to imply a WS-Address with multiple ReferenceProperties 
>elements, one for each EPR.
>
>Does the IRP allow for multiple resources to be addressed as a group?  
>Does this have to be done via repeated ReferenceProperties elements, or

>could one give a predicate instead, or bake something magic into the 
>Address URI?
>
>I realize that the IRP is in a fluid state at the moment, but I'd be 
>interested to know current thinking.  Is this the sort of issue the 
>WSRP
>
>subgroup is trying to address?
>
>
>
>
>  
>