Oracle Cloud Infrastructure (OCI) is a deep-stack cloud platform offering infrastructure as a service (IaaS) and platform as a service (PaaS) capabilities. It is engineered to support mission-critical enterprise workloads, specializing in high-performance database services, autonomous computing, and integrated security. Originally launched as a second-generation (Gen 2) cloud, it focuses on architectural separation and high-speed networking to minimize latency and improve security compared to first-generation public clouds.