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Subject: Re: [ws-rx] Head to head comparison of all three MakeConnection variants


Gil

Or you could say that the new proposal supports everything MC+SeqID did, 
plus supports the key use cases from MC+AnonURI, while resolving the 
raised issues and also doing this in a single mechanism.

Paul

Gilbert Pilz wrote:
> In an effort to clarify where/why BEA stands on PR001 I have written the
> attached article comparing all three variants off the MakeConnection
> feature (Sequence-ID, RM-Anon, and PR001 proposal). I scoped the
> comparison to the two (count them!) use cases BEA actually cares about.
> I concentrated on two major implementation aspects:
>
> 1.) How does the server-side RMS assign message(s) to the server->client
> sequence?
>
> 2.) How does the MakeConnection message select which message(s) should
> be returned over the back-channel.
>
> For those of you too busy to read the article here's the conclusions:
> -------
> The only effective difference between the PR001 Mechanism and the
> Sequence-ID Mechanism is that the former allows for the dynamic creation
> of new server->client sequences. Since none of the use cases of interest
> to BEA require this capability, this difference is irrelevant in the
> scope of this analysis. Given that the PR001 Mechanism is more
> complicated than the Sequence-ID Mechanism, BEA sees no compelling
> reason to replace the Sequence-ID Mechanism with the PR001 Mechanism.
> Furthermore the RM-Anon Mechanism is preferable to both the Sequence-ID
> Mechanism and the PR001 Mechanism due to the fact that it is more
> flexible with respect to assigning response messages to "back-sequences"
> and does not require the server-side RM handler to track the
> relationship between request and response messages.
>
> - gp
>
>  <<MC-Head2Head.zip>> 
>   

-- 
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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