This 2024 case study describes how a large US specialty retailer (3,200+ stores, 400,000+ employees) migrated about 410 applications and databases from Pivotal Cloud Foundry to Azure Kubernetes Service to escape rising VMware-related licensing costs, simplify operations, and improve performance without disrupting business. Brillio used an automation-led, factory-based migration model with documented runbooks, stakeholder interviews, baseline performance and security benchmarking, architecture audits and cloud-native redesign, infrastructure as code, and post-migration monitoring. Reported outcomes included about $20M in PCF licensing savings, a 40% reduction in overall licensing costs, 20% higher application performance, 30% improved agility and scalability, 25% lower computing expenses, a

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