Perfective Maintenance Level activities are characterized by changes to the software that add new functionality to or enhance ... Such changes will be necessary over the life of the system to meet the evolving needs of the user. ... For a modern ATC system, reliability must be analyzed quite differently from a hardware intensive system, ... Reliability cannot be improved through simple redundancy.
|Title||:||Annual Air Traffic Control Association Fall Conference Proceedings|
|Author||:||Air Traffic Control Association. Fall Conference|