Re: [soa-eerp] I037: Rating - Unrecognized Attributes and Extensibility

[William Cox <wtcox@CoxSoftwareArchitects.com>]

This is good. There is, however an effect on the conformance section (subject of other issues).

bill cox
--

William Cox
Email: wtcox@CoxSoftwareArchitects.com
Web: http://www.CoxSoftwareArchitects.com
+1 862 485 3696 mobile
+1 908 277 3460 fax

eerp_sy@changfeng.org.cn wrote:

380-22009632464322402@M2W017.mail2web.com" type="cite">

same as Isuue I036, 1. All text of "Unrecognized attributes SHOULD cause a
fault." will be changed to "Unrecognized attributes MAY cause a fault or be
silently ignored."

2. All text of "Unrecognized parameters SHOULD cause a fault." will be
changed to "Unrecognized elements MAY cause a fault or be silently ignored."

3. All text of "different (extensible) elements/parameters to be specified
in the future." will be changed to "different (extensible) elements to be
specified in the future."

Interoperable applications could opt to ignore unrecognized attributes and
elements. 


Szu Chang 

Original Message:
-----------------
From: eerp_sy@changfeng.org.cn eerp_sy@changfeng.org.cn
Date: Sun, 21 Jun 2009 03:27:33 -0400
To: wtcox@coxsoftwarearchitects.com, soa-eerp@lists.oasis-open.org
Subject: [soa-eerp] I037: Rating - Unrecognized Attributes and Extensibility


Issue # I037

For Rating Spec only. 

Related issues: I036 and I038 


Original Message:
-----------------
From: William Cox wtcox@CoxSoftwareArchitects.com
Date: Sat, 20 Jun 2009 22:00:27 -0400
To: soa-eerp@lists.oasis-open.org
Subject: [soa-eerp] NEW Issue: Unrecognized Attributes and Extensibility


PLEASE DO NOT REPLY TO THIS EMAIL OR START A DISCUSSION THREAD UNTIL THE 
ISSUE IS ASSIGNED A NUMBER.

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Protocol: bqos rating sla

Artifact: spec

Type: design

Title: Unrecognized Attributes and Extensibility

Description:

This issue applies to

BusinessQualityOfService-v1.0-spec-wd04.pdf
BusinessRating-v1.0-spec-wd05.pdf
BusinessServiceLevelAgreement-v1.0-spec-wd04.pdf

Examples are from BQOS. See lines 130, 137, 143, 146, 149, 190, 284, 
342, 352, 355, 447. This addresses overall issues for management and 
extensibility using the any mechanism.

(1) The attributes are also called parameters; is this correct?

(2) The SHOULD behavior will allow an implementation to silently ignore 
unrecognized attributes. If this is the intended behavior, MAY might be 
the right keyword, but it's not at all clear that a fault should be 
generated for unrecognized attributes. Interoperable applications could 
instead ignore unrecognized attributes, or maintain "understood 
attribute profiles."

(3) Similar management issues have registered or otherwise predefined 
specific characteristics or attributes; some of these are defined, but 
the interoperability and attribute managements are not addressed in the 
specifications.


Related issues:

Proposed Resolution:

(a) Make terminology consistent; if the inconsistency is correct, state 
reason in normative text.

(b) Address interoperability concerns for multiple implementations, 
particularly ones that do not recognize the same sets of attributes. 
Explain in normative or non-normative text why the specified behavior is 
necessary or desirable for interoperation.

(c) Justify choices made in Appendix B or other non-normative text.


bill cox
--
*William Cox*
Email: wtcox@CoxSoftwareArchitects.com 
<mailto:wtcox@CoxSoftwareArchitects.com>
Web: http://www.CoxSoftwareArchitects.com
+1 862 485 3696 mobile
+1 908 277 3460 fax



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