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RE: Support for WS-Management's Enumerate Count feature

From: Gilbert Pilz <gilbert.pilz@oracle.com>
Date: Fri, 14 May 2010 15:45:23 -0700
Message-ID: <4BEDD283.4040109@oracle.com>
To: "wsman@dmtf.org" <wsman@dmtf.org>
CC: public-ws-resource-access-comments@w3.org
The WS-RA WG reviewed your issue on "Enum: Support WS-Management's 
Enumerate Count feature" [1] on May 11th [2] and 12th [3] 2010, during 
its face to face meeting. After discussion, the WG agreed to close this 
issue with no changes to the WS-Enumeration specification. The following 
points were made:

   1. The WG believes that the number of potential items in the
      enumeration, while interesting, isn't nearly as valuable as the
      total size of the enumeration (total byte count of the data, not
      just the # of items). This would allow for better pre-allocation
      of resources than simply knowing the number of items. However,
      since calculating the total size of the entire enumerated data set
      could be very expensive, the cost of doing this at Enumerate()
      time didn't seem to be worth the additional cost.
   2. The cost in terms of spec and implementation complexity outweighs
      the potential benefits of saving a round trip of network exchange
      for a minority of use cases.

Please indicate via an email response to the WS-RA public comment list 
[4] as to whether this resolution of your issue is satisfactory.

[1] http://www.w3.org/Bugs/Public/show_bug.cgi?id=9608

[2] http://www.w3.org/2002/ws/ra/10/05/2010-05-11.html

[3] http://www.w3.org/2002/ws/ra/10/05/2010-05-12.html

[4] mailto:public-ws-resource-access-comments@w3.org
Received on Friday, 14 May 2010 22:47:02 UTC

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