[Bug 134] New: mustUnderstand needs moving and defining

[bugzilla-daemon@arjuna.com]

http://services.arjuna.com/wscaf-issues/show_bug.cgi?id=134

           Summary: mustUnderstand needs moving and defining
           Product: WS-Context
           Version: 1.0
          Platform: PC
        OS/Version: Windows 2000
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Text and diagrams
        AssignedTo: ws-caf@lists.oasis-open.org
        ReportedBy: peter.furniss@choreology.com
         QAContact: mark.little@arjuna.com


the mustUnderstand and mustPropagate attributes should be moved to context and 
don't belong on the service list.

Since a context is (commonly) a soap header, the SOAP:mustUnderstand attribute 
is available, and mustUnderstand could be considered superfluous.

However, the SOAP:mustUnderstand attribute could be interpreted as meaning the 
ws-context-specified aspects must be understood, and the wsctx:mustUnderstand 
means the context type must be understood. Thus SOAP:mustUnderstand="1" 
wsctx:mustUnderstand="0" wsctx:mustPropagate="1" would mean the receiver was 
guaranteed to propagate the context unchanged if it did not recognise the 
context type (or through a soap fault). (if it did recognise the context type, 
it could sort out the propagation for itself)

This latter approach seems to add necessary functionality to support the two-
level function identification of ws-context (context namespace of whole header; 
context type as particular protocol). It may be better to rename 
wsctx:mustUnderstand to avoid (human) confusion with the SOAP attribute.



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