332 Chapter 9 Running a Tracy Agency
Taas (Tracy Authentication and Authorization Ser vice) to provide user man-
agement, which includes granting permissions to users dynamically.
WebService to provide the capability for other plugins to deploy Web services
using SOAP interfaces.
Tracy can be used as a stand-alone application and controlled via a textual
user interface (provided by the AgencyShell plugin) or can be used by other
applications using a SOAP interface (provided by the Web-Service plugin).
Let us summarize the most important terms introduced in this section:
Agency is a software component that is an addition to a Tracy microkernel
and provides basic services to running agents, for example, it maintains
an agent directory and mediates