19.3. Connectors to back-end systems

Connectors are middleware components that simplify moving parts of an integrated environment between platforms and operating systems. This gives you flexibility to set up and restructure heterogeneous environments. Connectors make it easy for an application on one operating system to use a resource that runs remotely on another instance of the same operating system or on a different operating system altogether.

Figure 19-3 shows an application that uses an API (Application Programming Interface) to communicate with a database server on the same operating system instance.

Figure 19-3. Application and database on one operating system

Figure 19-4 shows how a connector permits the database server to be moved ...

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