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Figure 2‑1 Migration Software EnvironmentsFor the software developer, there is little that changes. The CICS Runtime preprocessor automatically changes the CICS API that is called. There are some limitations in the command that can be used; these are described in CICS Commands and Parameters Coverage.Figure 2‑2 CICS Runtime ArchitectureTable 2‑1 gives an overview of how the source platform notions have an equivalent on the target platform.
Table 2‑1 Source Platform Notions