- 'Diff1 - difference between environment versions "2" and "1" for the same VPP version, 1908.1-2 vs. 1908.1-1 (if data for the latter not present, 1908.0-1 is used).'
- 'Diff2 - difference between the current and the previous VPP version in the current environment version "2", 2001.0-2 vs. 1908.1-2.'
- 'RCA1 - root cause analysis reference for Diff1.'
- 'Diff1 - difference between environment versions "2" and "1" for the same VPP version, 1908.1-2 vs. 1908.1-1 (if data for the latter not present, 1908.0-1 is used).'
- 'Diff2 - difference between the current and the previous VPP version in the current environment version "2", 2001.0-2 vs. 1908.1-2.'
- 'RCA1 - root cause analysis reference for Diff1.'