Which engine type handles process execution and data for associated process models?

The Execution Engine is responsible for handling process execution and managing the data associated with process models in Appian. It plays a crucial role in the overall functionality of Appian’s process automation capabilities. When a process model is initiated, the Execution Engine oversees the various steps defined in that model, manages workflows, and ensures that tasks are executed in the right order. It also interacts with other components of the Appian platform to maintain the state of processes and track their progress.

This engine is specifically designed to focus on the execution aspects of Appian’s business processes, ensuring that processes run efficiently and reliably according to defined business rules. The data management associated with these processes, including task assignments, process variables, and instance management, is also a core responsibility of the Execution Engine.

The other options refer to different functionalities within the Appian ecosystem. The Application Server serves to run the Appian application itself, the Analytics Engine handles data processing for reporting and analysis purposes, and the Data Persistence Engine is concerned with storing and retrieving data. Each of these serves distinct roles, but it is the Execution Engine that directly manages the lifecycle of process models, from execution to completion.