1 Exception Contral in bpm
2 Long Transaction
3 Message Broker
Message brokers may use MOM to transport messages   
4 what's the difference between adapter and broker in application intergration
5 JCA
6 XA,JTA,JTS,distributed transaction,Long transaction
7 WHEN  and HOW  to use diffrent protocols in web service ?[http,smtp,mime,..]

7 use different protocols in web service
we can define the protocol in wsdl's binding tag
such as use HTTP-GET
<http:binding verb="GET">
<http:urlEncoded>
.....
How and Why is stil UnClear !