5 Important Principles of Event-Driven Architecture

Event-driven systems are a powerful component of many businesses. By leveraging an event stream, tracking the event producer’s pathways to the event consumer is easier. Event-driven architecture (EDA) is highly beneficial for business logic and can notify a state change quickly. Whether you’re looking into new event queries or you’re applying logic to a simple event, the right systems architect can aid their organization greatly. So, what are the best practices for EDA microservice setups? Which principles of event streams work most effectively? Understanding which types of events to track and the query is highly applicable for several use cases. Here’s what you need to know.

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1. Asynchronous EDA

Asynchronous EDA

EDA is, by nature, asynchronous without blocking. This means that your event source resources can move freely between tasks in the queue once units of work are completed. A resource may focus on a specific task and wait for a proper event notification to trigger its movement. Regardless of the event channel, EDA prevents event consumers from putting pressure on the event producers or blocking them, negatively impacting a workflow or specific task. This allows for greater scalability and reduces latency for several event types. It benefits complex events and mediates between the event source and consumer in real-time.

event-driven architecture. Your services shouldn’t have a connection when relying on event channels and logic flow. In this case, they should operate independently. Implementation and deployment details, framework information, and transport protocols should fire without knowing other service processes. Since decoupling is complicated for many brands, relying on an event orchestrator that keeps point-to-point integrations separate is important. While it’s not the only way to do so, this framework is perhaps the simplest for simple and complex events.
higher scalability levels than other processes. You can get a snapshot of your event message queue and application state, develop a new order for events, and query your data more capably. Since services run independently of one another (and since services are commonly limited to a single task), it’s much easier for you to detect bottlenecks in your architecture pattern. As a result, scaling individual services is much easier across each event channel.
4. Recovery Support

If your EDA has a queue, it’s simpler to recover your data by replaying key events located in your historical data. You can review past event messages and notifications, parse your channels, and prevent data loss. This is especially helpful if a consumer is the one experiencing data loss. As data deficiencies can negatively impact reputation and status, it’s important to use a broker to review your message queue and architecture pattern accordingly.

5. Internet of Things (IoT)

The immense proliferation of IoT devices means you must use compatible event channels. This is a surefire way to guarantee that your enterprise is future-forward. Suppose you don’t use compatible event channels or more modern technology for your event store. In that case, you will have difficulty maintaining an event queue or setting up an event mediator. IoT integration is critical for many business intelligence processes and should be addressed. While there are certainly other principles and impacts of EDA, these are some of the most topically relevant. Sensibly implementing EDA can greatly benefit brands and offer significant results. For your microservice architecture, it’s a smart idea to integrate EDA into your ongoing business processes.


Writer. Extreme twitter advocate. Hipster-friendly food expert. Internet aficionado. Earned praised for my work analyzing Yugos for the government. Spent 2002-2008 short selling glucose with no outside help. Spent several months developing strategies for xylophones in Ocean City, NJ. What gets me going now is supervising the production of cod in Cuba. Spoke at an international conference about supervising the production of inflatable dolls in Hanford, CA. Spent two years short selling cabbage in Tampa, FL.