SQL Notification Services Architecture
Understanding the internal architecture of SQL Notification Services will aid you in administering notification applications, as well as in diagnosing problems that may occur. This section provides an overview of the various functional components of a notification application built on SQL Notification Services and distinguishes those supplied by the platform from those implemented by the application developer.
Figure 45.2 shows the functional components of an application. There are three main running elements, represented by the three large boxes in the figure:
A subscription management application that allows users to enter subscriptions
A SQL Server that stores data for the notification application, and ...