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[Bug 9609] Enum: Support WS-Management's optimization of Enumerations with small result sets

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Date: Wed, 12 May 2010 04:53:40 +0000
To: public-ws-resource-access-notifications@w3.org
Message-Id: <E1OC3wy-0004PX-I2@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=9609





--- Comment #1 from Gilbert Pilz <gilbert.pilz@oracle.com>  2010-05-12 04:53:40 ---
The WS-RA WG considered this request during the face to face meeting of May
11th, 2010. The following points were raised:

1.) The described use case (small number of items) is directly contrary to the
use case that motivates WS-Enumeration ("transferring large data sets over
SOAP"). If it is known that the representation of a resource will fit into a
single SOAP message, that resource should be modeled using WS-Transfer.

2.) Folding the Pull operation into the Enumerate operation (as WS-Man v1.1
does) dramatically increases the complexity of both the specification and
implementations.

3.) Removing the Enumerate operation and folding its semantics into the Pull
operation (as the WG also considered) adds less complexity than (2) but creates
potentially undesireable side effects such as removing the ability to create an
enumeration in a way that doesn't pull any data items.

The WS-RA WG decided that the benefits of supporting the optimization (one less
round trip) were outweighed by cost of increased complexity.

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