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Subject: Re: [ws-rx] Issue 28: MakeConnection preconditions are unclear


Actually I think in addition the CS/Offer/Endpoint should be anonymous 
for the precondition.

Paul

Paul Fremantle wrote:
> I believe that with MC(SequenceID) I think there is a clear 
> preconditiion, which is CS+Offer+Anonymous-Acks-To.
>
> Paul
>
> Doug Davis wrote:
>>
>> Sorry, not true. MSFT's proposal does not address any preconditions 
>> since the ability to support MC should be known before the CS is 
>> sent, not after. Sending a MCRefued in response to a MC is too late 
>> in the game. No matter which version of MC lives on I think some 
>> policy assertion will be needed so the server-side can advertise that 
>> it will support MC, or not. I was assuming we could use this issue to 
>> add that.
>>
>> As for Jonathan's text about either side needing to be in possession 
>> of the RManonURI - short answer is 'no' - only the minter (client) 
>> needs to know what the value is.
>>
>> thanks
>> -Doug
>> __________________________________________________
>> STSM | Web Services Architect | IBM Software Group
>> (919) 254-6905 | IBM T/L 444-6906 | dug@us.ibm.com
>>
>>
>>
>> *Marc Goodner <mgoodner@microsoft.com>*
>>
>> 11/14/2006 11:34 AM
>>
>>     
>> To
>>     Marc Goodner <mgoodner@microsoft.com>, Jonathan Marsh 
>> <jonathan@wso2.com>, "ws-rx@lists.oasis-open.org" 
>> <ws-rx@lists.oasis-open.org>
>> cc
>>     
>> Subject
>>     RE: [ws-rx] Issue 28: MakeConnection preconditions are unclear
>>
>>
>>
>>     
>>
>>
>>
>>
>>
>> In the proposal we made for PR001 I don’t believe the below is an 
>> issue. The expected setup for MakeConection is defined.
>>
>> I agree that if we close PR001 with no action that the current spec 
>> will need to be changed to address this problem.
>>
>>
>> *From:* Jonathan Marsh [mailto:jonathan@wso2.com] *
>> Sent:* Monday, November 06, 2006 9:46 AM*
>> To:* ws-rx@lists.oasis-open.org*
>> Subject:* [ws-rx] New issue: MakeConnection preconditions are unclear
>>
>> MakeConnection as defined today relies on the RM Anonymous URI 
>> template. The spec does not adequately specify the preconditions 
>> necessary for the exchange to be successful.
>>
>> Prior to a MakeConnection message, do both the client and the server 
>> have to be in possession of a correctly constructed instance of the 
>> RM anon URI template? Of an EPR using this template? The example 
>> messages invent a subscription operation in step 1, which indicates 
>> that the precise URI and the intent to enable MakeConnection must be 
>> negotiated between the RMD and RMS out of band, yet nowhere are these 
>> preconditions enumerated. The RM protocol preconditions only list an 
>> EPR as a precondition, not the precise form of that EPR, and any 
>> intention that buffering of messages should be engaged. What happens 
>> if a client does a MakeConnection without all preconditions being 
>> satisfied also appears to be underspecified.
>>
>> *Jonathan Marsh* - _http://www.wso2.com_ <http://www.wso2.com/> - 
>> _http://auburnmarshes.spaces.live.com_ 
>> <http://auburnmarshes.spaces.live.com/>
>>
>

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

http://bloglines.com/blog/paulfremantle
paul@wso2.com
(646) 290 8050

"Oxygenating the Web Service Platform", www.wso2.com




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