Requests of the directory are initiated from the DUA to the DSA and the DUA receives the results of those requests. The DSA holds and manages the directory information. DSAs are geographically distributed and are also hierarchically structured into root, global, regional and site DSAs. The site DSA communicates with a network of DSAs to satisfy the DUAs request. Desktop application which provides users the ability to create and receive messages, and to access the X.500 Directory Services.
Stores messages much like a mailbox.
PUAs provide the features needed to handle profiling and message dissemination of organizational messages. Upon receipt of a message, the PUA decrypts the message and activates the profile. The profile can trigger searches for key words in the subject area and text, as well as trigger on precedence. It provides configuration, fault, performance, accounting and security management capabilities to support monitoring and control, system administration and customer service. The MWS interfaces to the DMS components using the SNMP management protocol.