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Subject: i061 - a revised proposal
- From: Doug Davis <dug@us.ibm.com>
- To: ws-rx@lists.oasis-open.org
- Date: Thu, 19 Jan 2006 11:20:04 -0500
(Just fixing some typos)
For issue i061, I propose:
After the first paragraph in the SeqAck section (currently
section 3.6) add:
- - - - - - - - - - - - -
While this specification discusses the ability to
add, or piggy-back, a Sequence Acknowledgement Header block to a message
that is targeted to the AcksTo EPR, the precise mechanism for determining
when any particular message is targeted, or not, to the AcksTo EPR is out
of scope for this specification.
Using the WS-Addressing anonymous IRI in the AcksTo
EPR may impact implementations. When the AcksTo EPR contains the anonymous
IRI, Sequence Acknowledgements MUST be sent on the appropriate protocol
binding-specific channel. For example, in the HTTP case, Sequence Acknowledgements
would be expected to flow on the HTTP response flow. It is worth noting
that this may result in new SOAP messages being generated and sent in certain
situations. For example, if on an HTTP request flow the SOAP message contained
a wsa:ReplyTo that didn't use the anonymous IRI, then it is possible that
a new SOAP message may need to flow back on the HTTP response flow for
the sole purpose of carrying a Sequence Acknowledgement. Because the anonymous
IRI is a general purpose IRI that can be used by many concurrent RM Sequences,
Sequence Acknowledgements that are sent to the AcksTo EPR using these protocol
binding-specific channels SHOULD only be sent when it can be determined
that the channel is related to the RM Sequence. For example, Sequence Acknowledgements
should only be piggy-backed on HTTP response flows where the message that
was sent on the HTTP request flow referenced the Sequence in question through
the use of a Sequence or AckRequested Header block.
- - - - - - - - - - - - -
thanks,
-Doug
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