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RE: Current Status of Web Services Transaction?

• To: "Eric Lo" <ecllo@c...>,<xml-dev@l...>
• Subject: RE: Current Status of Web Services Transaction?
• From: "Dare Obasanjo" <dareo@m...>
• Date: Mon, 5 Aug 2002 20:53:02 -0700
• Thread-index: AcI8/CnFb+h64nDnSEKZmP0aRBypGgAAGIKg
• Thread-topic: Current Status of Web Services Transaction?

Clemens Vasters recently opined on transactions in web services at
http://radio.weblogs.com/0108971/2002/08/03.html#a61 and
http://radio.weblogs.com/0108971/2002/08/04.html#a62 which may prove
useful. 

-- 
PITHY WORDS OF WISDOM 
A man who can smile when everything has gone wrong has probably thought
of who he can blame it on.   

This posting is provided "AS IS" with no warranties, and confers no
rights. 



> -----Original Message-----
> From: Eric Lo [mailto:ecllo@c...] 
> Sent: Tuesday, August 06, 2002 11:50 AM
> To: xml-dev@l...
> Subject:  Current Status of Web Services Transaction?
> 
> 
> Hello,
> 
>   I have read lots of materials related to Web Services 
> transaction. One typical example is a SOAP client want to 
> create an account which is a single distributed transaction 
> to create account on both the CRM and Accounting databases 
> with a WS interface[From IBM dependency sphere]
> 
>   However, I really get lost on the current status of Web 
> Services transaction.  The main reason is that there "seems" 
> lots of different kinds of solutions like OASIS BTP, W3C TIP, 
> JTS, 2Phrase-commit, IBM transactional attitudes, etc.  In my 
> knowledge, I group them into four areas for ease of discussions.
> 
> 1)BTP and TIP seems work on the "message format" to establish 
> web services transaction, especially on long-spanning transactions.
> 
> 2)JTS and CORBA work on traditionally distributed object transaction.
> 
> 3)2PC is a controversial item which may or may not suitable 
> for the web service paradigm.
> 
> 4)IBM TA establish a mediator to control the transaction.
> 
>   When I read for more "solutions", I get much confuse.  For example,
> (1) seems  designated for establishing WS transactions, if 
> that's true, what's its pros and cons? What's its difference with (4)?
> 
>   How about (2)?  (2) seems to be not well suited into the WS 
> paradigm, but why?  Also, what's it different with (1)?
> 
>   Walter Perry has posted a discussion archived on ASPN discussing why
> 2PC(3) not work on WS paradigm.  But there lots of software 
> companies try to modify 2PC on WS platform.  Like Walter 
> Perry, I agree that 2PC cannot directly use on WS, but how 
> about the modification on 2PC?  2PC seems still work if we 
> can solve the long-spanning transaction and blocking problems.
> 
>   Sorry for my long posting, but could anyone can clear up my 
> chaos?  I really want to know the difference between 1,2,3 
> and 4.  Or can they work together?  Please correct me if my 
> concepts are wrong.
> 
> Best Regards,
>   Eric
> 
> 
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