Re: [ws-rx-implement] WS-RM/RX question...

[Paul Fremantle <paul@wso2.com>]

Stefan

This is the usage for the CloseSequence, which still allows the RMS to 
find out the final state of the sequence. So good behaviour would be for 
the RMD to close the sequence not terminate it.

Paul

Rossmanith, Stefan wrote:
> Hi Doug,
> I have another question concerning WS-RM/RX.
> Scenario: The provider decides to terminate a sequence because of
> timeout (or other error situations).
>
> Is my understanding correct that the RMS in this case does not know
> which already sent messages were received successfully by RMD, because
> maybe some acks were lost and the RMS cannot request acks after RMD has
> terminated the sequence?
>
> If this is true, WS-RM only could be used for real applications if we
> have in addition a higher level protocol (e.g. a kind of transaction
> protocol or a mechanism on application level) which can handle this
> situation, i.e can proceed after this error situation in an appropriate
> way.
>
> I only want to know if my understanding fits to WS-RM intention ;-)
>
> One note to WS-RM 2005/02: In the AckRequest element the spec tells to
> use MessageNumber element but the schema tells to use
> MaxMessageNumberUsed Element...
> (I looked at the documents at
> http://msdn.microsoft.com/webservices/webservices/understanding/specs/de
> fault.aspx?pull=/library/en-us/dnglobspec/html/wsrmspecindex.asp )
>
> With kind regards,
> Stefan
>
>
> PS: unfortunately I cannot participate tomorrow and next week at WS-RX
> SC/TC, because of other dates.
>
>
>
>   

-- 

Paul Fremantle
VP/Technology, WSO2 and OASIS WS-RX TC Co-chair

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