4.1 Bluemix introduction4.1.1 Bluemix deployment models4.1.2 Bluemix Cloud Foundry concepts4.1.3 How Bluemix works4.2 Developing microservices using Bluemix DevOps4.2.1 Bluemix DevOps introduction4.2.2 Delivery pipeline4.3 Deployment, testing, monitoring, and scaling services in Bluemix DevOps4.3.1 Deployment services in Bluemix4.3.2 Testing services in Bluemix DevOps4.3.3 Monitoring and analytics services in Bluemix4.3.4 Scaling in Bluemix4.4 Communication, session persistence, and logging in Bluemix4.4.1 Communication4.4.2 Session persistence4.4.3 Logging in Bluemix4.5 Considerations and opportunities4.5.1 Microservice trends to consider4.5.2 Controlling access and visibility of endpoints4.5.3 Avoiding failures4.5.4 Versioning