2.1 Integration options2.1.1 Microservices, APIs, and microservices applications2.1.2 Containers and container orchestration2.1.3 Agile integration architecture2.2 API enablement2.2.1 Services and APIs2.2.2 REST and JSON2.2.3 API management and the OpenAPI Initiative2.2.4 Security standards for APIs2.2.5 Advantages of REST APIs2.3 Messaging and event streams2.3.1 Messaging2.3.2 Event streams