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.
The transport channel is the bottom-most channel of the WCF stack. The protocols that are typically used in this channel are HTTP, TCP, MSMQ, and named pipes, but WCF allows application developers to use other transports as well, such as Simple Mail Transfer Protocol (SMTP) or File Transfer Protocol (FTP).
Multicast Routing Protocol. A multicast routing protocol is one type of service provider that functions as a client within the framework of the router architecture. The routing architecture is designed to be extended by such router client modules. multicast routing protocol manages group membership and controls the path that multicast data takes over the network. Examples of multicast routing protocols include: Protocol Independent Multicast (PIM), Multicast Open Shortest Path First (MOSPF), and Distance Vector Multicast Routing Protocol (DVMRP).