...
You can simulate most of the patterns in the catalog using various constructs of the ESB profile of WSO2 EI. For ideas on how to design your integrations, and to get step-by-step instructions using example scenarios, see Enterprise Integration Patterns with WSO2 Enterprise Integrator. You can then refer back to this guide for details on the mediators used in the scenarios, how to work with endpoints and proxy services, and so on.