Push-Based Systems

Push-based systems are architectural patterns where data or events are proactively sent (pushed) from a source to consumers without the consumers needing to request it. This contrasts with pull-based systems, where consumers must actively poll or request data. Push-based systems are commonly used in real-time applications, notifications, and event-driven architectures to enable immediate updates and reduce latency.

Also known as: Push Model, Push Architecture, Push Notifications, Event Pushing, Real-time Push

Why learn Push-Based Systems?

Developers should learn push-based systems when building applications that require real-time data updates, such as chat apps, live dashboards, or IoT monitoring, as they minimize delays and improve responsiveness. They are also essential in event-driven architectures for decoupling components and handling asynchronous workflows efficiently, making them suitable for scalable systems like microservices or streaming platforms.

Learning Resources

• docs: MDN Web Docs: Server-Sent Events
• docs: AWS: Event-Driven Architecture
• video: Real-Time Web with WebSockets and Server-Sent Events
• book: O'Reilly: Designing Data-Intensive Applications (Chapter on Event-Driven Systems)
• tutorial: Push vs Pull in System Design