The InterSystems IRIS has an integration engine with these core elements:
1. Adapters: are inbound (data/message input/request) and outbound (data/message output/response) integration logic specialized in the type of data or message protocol (file, http, etc.). They are the interface to allows connect with source or target data repositories or systems.
2. DTL: is a component to mapping and transform data between two components in the flow orchestration.