Event Sourcing

As a software developer, I have a strong opinion on Event Sourcing as a software design pattern and architectural style. Event Sourcing is a unique and innovative way to manage the state of an application, where every change to the state is recorded as an event, and the current state is derived by replaying the events.

In my view, Event Sourcing offers several advantages, such as providing a clear audit trail of all changes to the state of the application, making it easier to debug and understand the history of the application, and providing a reliable source of data for use in reporting and analysis. Additionally, Event Sourcing makes it easier to build scalable, maintainable, and resilient applications, as events can be processed in parallel and stored in a highly available storage system.

However, there are several challenges to adopting Event Sourcing, such as its complexity, lower performance, shortage of experienced developers, difficulties in integrating with existing systems, and higher costs. Despite these challenges, I believe that Event Sourcing is becoming more popular as the benefits become better understood and appreciated.

In my opinion, Event Sourcing can be especially useful for building highly scalable and resilient applications, as well as for applications that require a reliable audit trail of all changes to the state of the system. For example, in network management, Event Sourcing could provide a complete and accurate history of changes made to the network and its components. By storing events, the network management system can recreate the state of the network at any point in time, which can be useful for troubleshooting, auditing, and compliance purposes.

Overall, I believe that Event Sourcing provides a comprehensive and reliable way to manage the state of a network, leading to better understanding and control over network changes, and ensuring network reliability and performance.