Kwame Mensah designed this topology in 2019 when CNB migrated from CICS TS 5.4 to 5.6. The previous topology was 10 regions across 2 LPARs. The migration to 4 LPARs with 16 regions was driven by the addition of mobile banking (SYSD) and the need to isolate web traffic after a 2018 incident where a w