In the world of cloud computing, processes are constantly emerging and dying; this is exactly what causes escalation on-demand. In these conditions, the birth or origination of a process must be as fast as possible, and your interruption should be as fast, and have an as little impact, as possible. 

The processes of a twelve-factor application are disposable, meaning that they can be initialized and stopped at any time. A process that ends without impact means that it should end gracefully, saving the state if necessary, and releasing the allocated computing resources.