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6/4/2004 4:26:00 PM
Dear al
i have a question about the difference of com, dcom, com+, web servic
First com is some class that can only call by local machine? ex. vb with dll on locally and asp with dll on server
Second dcom is same as com but it can call by other machine remotelly
third, com+ is added some add-in function to com, such as transaction, resource pooling etc and it can not be call remotely
Fourth, web service is component that can be called by any machine (including unix) with all function with com, dcom, com+
if i want to have a middle-tiers for data access, business logics in asp.net, what can i write now?