What is a service level message and transport level message?
You can log WCF message at two levels one is service level and the other is transport level. Service level:-In this the messages are logged as they enter the user code or leave the user code. Transport level: – In this the messages are logged as they are ready to be encoded / decoded. All transport level, infrastructure messages and also reliable messaging is logged. You specify the message levels in the diagnostics node as shown in the below code snippet.