How does Pega manage application deployment?

Pega manages application deployment through a systematic approach that emphasizes versioning and the use of rule sets. This method allows for the incremental movement of changes to production, ensuring that updates can be tested and validated before they are fully implemented.

Versioning in Pega enables multiple iterations of the same rule or functionality to exist simultaneously. This allows developers to deploy new features or enhancements without disrupting existing functionality that end-users rely on. By utilizing rule sets, Pega can bundle related rules together, allowing for efficient management during the deployment process. Incremental deployment means that changes can be made in smaller, controlled segments, reducing the risk of errors and improving the overall stability of the application.

This approach contrasts with methodologies that involve erasing older rule sets, which could lead to the loss of valuable configuration or business logic. Requiring comprehensive user approval for every change would significantly slow down the development and deployment process, making it less agile. Additionally, while third-party tools may assist in deployment, Pega has its own robust systems in place, making external dependencies less critical.

In summary, option B reflects Pega's design philosophy of maintaining flexibility and control through versioning and rule sets, allowing for efficient and reliable application deployment.