Protocol Implementation using WCF

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Hi,

I am new to Windows Communication Foundation (WCF).
We are planning to develop a server which implements a protocol,involv ing
financial transactions.I have a reasonably good background in web services.I
am also aware that WCF provides better support interms of
security,scalab ility, transaction support etc.

Is there any sample implementations or other resources like white papers
which we should look at ?

Being a protocol implementation, what about attributes like ServiceBehaviou r ?

Thanks in advance for any valuable guidance.

With Regards
Ajit