4 GCPs, 2 zIIPs (dedicated) - Runs: CICS TOR/AOR regions for wire and RTP, DB2 member PPDB1, MQ queue manager PPMQ1 - WLM service class: PAYMENT_ONLINE (velocity goal: 95% of transactions under 100ms) - This LPAR handles all real-time payment processing — the transactions where milliseconds matter