Connectivity
The heart of any application integration technology stack is the ability to extract information and invoke remote services contained in remote information systems—one or many. This is the fundamental jumping-off point for application integration. The value of this type of technology is the ability to connect to complex (and perhaps archaic) systems and manage the production of information and services out of those systems, and at the same time, publish information to those systems as needed.
We can define connectivity as any pattern of technology, typically software systems, that connects into source or target systems through some type of point of integration (see Figure 20.1).
Figure 20.1. Connectivity.
We need connectivity for ...
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