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Subject: RE: T2 Reliable Messaging w/o CPA or VIA...

Let's take of these in turn ...

>>>This is the accuracy to which a recipient of a message claims to keep their internal system clocks. This should probably be part of a CPP and not vary from message to message therefore it does not need to be in the MessageHeader

>>>This needs to be in the Via since it can vary on each hop of a multi-hop message. I suppose though that, if you are not doing multi-hop then it forces use of the Via element. I think we could either:
1. Put
reliableMessagingMethod in the main MessageHeader with the copy in the Via element over-riding it, or
2. Change the definition of the Via element to suggest that it to be used when there is no intermediary

>>>This is in Via for the same reason as for reliableMessagingMethod - it can vary from hop-to-hop

retries & retryInterval
>>>These are both parameters that apply to the sender of a message and over which the receiver of message can have no effective control. There is therefore no need for them to be in the header. They should however be in the CPP for the sender

>>>PersistDuration only applies to the recipient of a message as it specifies the minimum time the recipient will keep a message. The sender cannot (should not?) control this, therefore there is no need for it to go in the header.

I'd appreciate your thoughts.


-----Original Message-----
From: David Fischer [mailto:david@drummondgroup.com]
Sent: Monday, July 23, 2001 7:07 PM
To: Burdett, David
Cc: ebXML Msg
Subject: T2 Reliable Messaging w/o CPA or VIA...

Section 10.2 (line 1695) says:

This parameter information can be specified in the CPA or in the MessageHeader

But I can't find anywhere in the MessageHeader to set the following parameters:


This seems like a formidable problem when doing reliable messaging (ackRequested) without an intermediary (no Via).  If we put this information back in the MessageHeader, why is it also in the Via?  This was in the MessageHeader in v0.91 but it was taken out... probably shouldn't have been.


David Fischer
Drummond Group.

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