5.2.2 Embedded Data Collection
This is similar to interrogation software, but the program logic is embedded within the live application program or systems software.
5.2.3 Parallel Simulation
This involves the re-writing of a system and processing data through it so that the results can be compared to the live system.
5.2.4 Others
There are a variety of other tools, such as code comparison software which can compare two files, containing either data or program code, and highlight differences.