Operation of the
Client programs, such as a console or an adapter, use the
to determine where s are running. When a starts, it registers the hostname of the machine it is running on,
as well as the TCP port it is listening to, with the .
Thereafter, clients retrieve this information from the so
that they can communicate with the . Chapter 7, “Operation of the
Broker,” describes the functions of the , provides
procedures for viewing the ’s registry, and explains how to
change the ’s environment variables.