Software architecture in practice
Software architecture in practice
Ada for the control of degradation of service
ACM SIGAda Ada Letters
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Ship System 2000 was conceived in the middle of the 1980s. It was started as a development project for a general Command and Control and Weapon Control Systems for naval ships (C2 and WCS), intended for reuse. Its first use was for three different ship types. Following these orders, later deliveries with similar functionality were made. From the beginning the company chose to use the Ada language for future systems in this area and selected Rational as the first programming environment. A strategic decision was made to include all the Ada components developed in a family of reusable components. The number of components has grown and variants for different platforms and compilers have been included. In the early days the word was Reuse, and later the terms Dual Life Cycle and Product Line Management have been introduced for the same concept. Since then, the 1st generation has been successfully reused for ships from many other navies and air forces. However, the architecture has evolved in two major steps, and several minor steps. Thus, it is still a modern architecture, but with a heritage.