Characteristic 3 - Single Entry Single Exit

Characteristic 3 - Single Entry Single Exit

Now let us look into the next characteristics of a controller.

From a security point of view , preferably a system should have a single entry and a single exit and the entry and exit of the system should be under the controller.

It means whenever a request comes to the system , the first component that the request should encounter is the controller of the system and any response going from the system should be from the controller of the same. If this is not the case , the controller immediately looses the control out of the system. This also means there can be nothing before the controller.

 
Hemant Jha
Founder - VPlanSolutions
Researcher, Trainer

www.VPlanSolutions.co.in