Re: [ws-tx-comment] Erratum in WS-Coordination Spec

[Ian Robinson <ian_robinson@uk.ibm.com>]

Hi Danushka,
Thanks for your comment.

I believe the figure is correct as it
stands - steps 4 and 5 show in principle how a received CoordinationContext
at App2 can result in the registration of a transaction participant associated
with App2 with the transaction coordinator associated with App 1. The end
result of the registration of Yb is a response that contains Ya. This is
clear from the text that describes Figure 2; the notation "Returning
Ya" on the arrow for step 4 in the figure is really the result of
both steps 4 and 5. The figure is simply an illustration of one possible
implementation in which step 4 calls step 5 and returns its result. In
practise, the WS-Coordination specification precisely defines the interoperable
protocol illustrated in step 5 whereas step 4 in the figure simply illustrates
one mechanism by which this can be caused to occur.

Regards,
Ian Robinson
WS-Tx co-chair

Danushka Menikkumbura <danushka@wso2.com>

27/08/2008 08:05

To	ws-tx-comment@lists.oasis-open.org
cc
Subject	[ws-tx-comment] Erratum in WS-Coordination Spec

Hi,
    I found this in Web Services Coordination (WS-Coordination)
Version 
1.1 which was released on 12 July 2007. According to my understanding,
there is an issue like this.
    In Figure 2 (i.e. Two applications with their own coordinators),
the 
step number 4 says, "Register Passing Y and App2 Returning Ya".
Here I 
think it should be "Register Passing Y and App2 Returning Yb".
In other 
words, App2 receiver the EPR of Yb but not that of Ya.
    Please correct me if I am wrong.

Cheers,

Danushka

-- 
Danushka Menikkumbura
Technical Lead, WSO2 Inc.

blog : http://danushka-menikkumbura.blogspot.com/

http://wso2.com/ - The Open Source SOA Company



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