How do operational characteristics differ between Restate and Catalyst for managing workflow state?

Catalyst, built on Dapr, uses external state stores (e.g., Redis, Cosmos DB) for workflow state, giving you control over durability and scaling. Restate manages state internally within its journaled services, simplifying deployment but limiting state store choices. For operations teams that need to integrate with existing state infrastructure or run in air-gapped environments, Catalyst's flexibility is advantageous. Restate's approach reduces operational complexity for smaller deployments.