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

[Paul Fremantle <paul@wso2.com>]

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