[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] 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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