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Action 292: Minor Editorial Update on Versioning Text in Primer (New Issue 4559)

From: Monica J. Martin <Monica.Martin@Sun.COM>
Date: Tue, 15 May 2007 18:46:08 -0700
To: "public-ws-policy@w3.org" <public-ws-policy@w3.org>
Message-id: <464A6260.9080500@sun.com>

As indicated by Action 292 [1], Dave O, Fabian Ritzmann, MaryAnn Hondo 
and I discussed minor changes, as a result of Issue 4414.  A new issue 
has been filed to resolve the editorial comment, Issue 4559. See:
http://www.w3.org/Bugs/Public/show_bug.cgi?id=4559

========
Title: Versioning: Requests for Expired Services [Primer]

Target: Primer, Section 3.8.3, hypothetical versioning text and examples with
table.

Description:
When wsp:Ignorable is used, it is possible that an unaware client could attempt to engage a service with an expiry date, whereby a server would react. This was
a discussion point as a result of Issue 4414. Opening this issue closes Action 292.[1] 

Actions:
1. Account for this possibility in the text that already exists in the accepted and integrated text and table in Section 3.8.3.[2]
2. Also revise table headings to be more succinct and meaningful. A key may also be suggested (Discretion is left to the editors on the use of a 'Key').

Proposal
1.
   Change from: If CompanyX adds the hypothetical EndOfLife policy
   assertion with an ignorable attribute and does mark the assertion
   with wsp:Optional="true", then clients using strict mode who do not
   understand the hypothetical EndOfLife assertion with the ignorable
   information will still be compatible with the alternative that does
   not contain the hypothetical EndOfLife policy assertion as per the
   intersection rules <<and the server can return an error if the
   request is received after the expiry date.>>

   Change to: If CompanyX adds the hypothetical EndOfLife policy
   assertion with an ignorable attribute and does mark the assertion
   with wsp:Optional="true", then clients using strict mode who do not
   understand the hypothetical EndOfLife assertion with the ignorable
   information will still be compatible with the alternative that does
   not contain the hypothetical EndOfLife policy assertion as per the
   intersection rules.

   <<When wsp:Ignorable="true" is used, clients that are unaware of the
   hypothetical EndOfLife assertion may make more requests for expired
   services. This could result in servers generating Faults if the
   request is received after the expiry date.>>

2. See [3]

* Required [Was: wsp:Ignorable="false", wsp:Optional="false"]
* Required and Ignorable (for intersection) [Was: wsp:Ignorable="true",
wsp:Optional="false"]
* Optional [Was: wsp:Ignorable="false", wsp:Optional="true"]
* Optional and Ignorable (for intersection) [Was: wsp:Optional="true",
wsp:Ignorable="true", wsp:Optional="true"]

[1] Action 292: Evaluate whether a new issue needs to be contributed related to
resolution of Issue 4414. Action 292 for Dave Orchard, Monica J. Martin
See: http://www.w3.org/2005/06/tracker/wspolicy/actions/292
[2]
http://dev.w3.org/cvsweb/~checkout~/2006/ws/policy/ws-policy-primer.html?content-type=text/html;%20charset=utf-8#ignorable-and-versioning <http://dev.w3.org/cvsweb/%7Echeckout%7E/2006/ws/policy/ws-policy-primer.html?content-type=text/html;%20charset=utf-8#ignorable-and-versioning>
[3] For Optional or Ignorable: "Omitting this attribute is semantically
equivalent to including it with a value of false."
See: Framework, Section 4.3.1 (Optional) or Section 4.4 (Ignorable).
http://dev.w3.org/cvsweb/~checkout~/2006/ws/policy/ws-policy-framework.html?content-type=text/html;%20charset=utf-8#Optional_Policy_Assertions <http://dev.w3.org/cvsweb/%7Echeckout%7E/2006/ws/policy/ws-policy-framework.html?content-type=text/html;%20charset=utf-8#Optional_Policy_Assertions>
http://dev.w3.org/cvsweb/~checkout~/2006/ws/policy/ws-policy-framework.html?content-type=text/html;%20charset=utf-8#ignorable-policy-assertions <http://dev.w3.org/cvsweb/%7Echeckout%7E/2006/ws/policy/ws-policy-framework.html?content-type=text/html;%20charset=utf-8#ignorable-policy-assertions>

Issue submitted by Fabian Ritzmann, MaryAnn Hondo, Dave Orchard and Monica J. Martin
Received on Wednesday, 16 May 2007 01:50:58 GMT

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