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Subject: Proposal to close Rel 97


Spec 3.1.1 feature Design Active

*Title:* Group ID lifetime (remove after)


See original mail 

If we retain sequenceNumber as optional, we need to clarify what the 
semantics of removeAfter are for a simple ack only case (i.e., 
sequenceNumber not present). Perhaps it would only pertain if duplicate 
elimination is requested (and then it would be the lifetime of memory 
for duplication elimination for that message). If we have the case of 
duplicateElimination with SequenceNumbers then the removeAfter attribute 
is the lifetime for the persistent state required for duplicate 
elimination for that group. For duplicate elimination and ordered 
delivery the text is probably ok as is.



It needs to be stated in the ws-reliability protocol for sequence 
behaviour that the same values for the three qos parameters (Guaranteed 
Delivery, Duplicate Elimination, and Ordered Delivery) must be sent for 
every message in the sequence.

Once this is stated, there is no reason to treat the concept of group 
any different for one which is only used for Guaranteed delivery.  If 
the sender wishes to provide termination criteria for the group in this 
case, there is no harm in having the sender apply these criteria in a 
consistent manner.

Thus Issue 97 needs to be closed, after we add the protocol requirement 
for all message in a group specifying the same values for the three 
Reliable Messaging qos parameters in their header.

Tom Rutt		email: tom@coastin.com; trutt@fsw.fujitsu.com
Tel: +1 732 801 5744          Fax: +1 732 774 5133

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