This is a great article, Jon; I have to stop and think about these things all the time. How do you feel about the fact that in certain cases, when enough people use a word incorrectly for a long enough period of time, the incorrect usage becomes accepted as correct? I know diehards rail against this.
WCF includes a message framing protocol that is called .NET Message Framing for use with transports that do not natively support messaging. This framing protocol is used with the TCP transport to create NetTcp and with the MSMQ transport to create NetMsmq.
While you can use any of the trace listeners supported by the Logging Application Block with WCF, the most common scenario is to log the messages in XML format. XML files logged from WCF can be analyzed in the Service Trace Viewer application that is included in the Windows SDK.