Oracle Cloud Infrastructure (OCI) is a suite of cloud services offered by Oracle Corporation that enables businesses to run a wide range of applications in a scalable, secure, and highly available environment. OCI provides a set of foundational cloud components such as computing power, storage, and networking capabilities, on top of which you can build, deploy, and manage applications and services.

Key Components of Oracle Cloud Infrastructure:

1. Compute: Provides virtual machines (VMs), bare-metal servers, and containers for running applications.
2. Storage: Offers object storage, block storage, and file storage solutions to meet various data storage needs.
3. Networking: Includes Virtual Cloud Network (VCN), Load Balancer, DNS, and other networking components for secure and scalable connectivity.
4. Databases: Database services to deploy Oracle databases, as well as other popular databases like MySQL, in the cloud.
5. Identity & Access Management (IAM): Enables secure control over resources and services within OCI.
6. Analytics: Tools and services for data analysis and business intelligence.
7. DevOps: Provides services to automate software delivery and infrastructure changes.

OCI is designed for enterprise-level workloads, ensuring high performance, reliability, and governance. It is commonly used for running large-scale applications, data warehousing, high-performance computing, and other demanding tasks.