Event-Driven Application Architectures

When you use an event-driven architecture, activity in your business triggers resource provisioning. You don’t pay for idle resources, so the solution has low AWS service costs that scale with the event volume.

Components of Event-Driven Architecture

The components of an event-driven application architecture are connected together, so that an event in one place, such as a transaction submission, triggers processing. The result is near-real-time communication between application components to recognize a triggering event, process the event, and deliver an outcome for your business.

Event-driven application architectures have components that are loosely coupled through an event bus. These architectures are fault-tolerant when they are designed to queue new events until processing capacity becomes available. The result is an application that copes with the temporary loss of a third-party service or the failure and retry of an individual transaction.

Key Functions of Event-Driven Architectures

• Execute periodic functions such as data aggregation, report generation, or archiving.
• Deliver a real-time event notification to provide near-real-time visibility for your business.
• Dynamically execute transactions for processes such as updating third-party systems, transforming input files, or near-real-time analytics.

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