Cyber-Physical Systems of Systems by Andrea Bondavalli Sara Bouchenak & Hermann Kopetz

Author:Andrea Bondavalli, Sara Bouchenak & Hermann Kopetz
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

4 Evolution Viewpoint

Large scale Systems-of-Systems (SoSs) tend to be designed for a long period of usage (10 years+). Over time, the demands and the constraints put on the system will usually change, as will the environment in which the system is to operate. The AMADEOS project studied the design of systems of systems that are not just robust to dynamicity (short-term change), but to long-term changes as well. Evolution represents changes that have been introduced later to accommodate modified or new requirements by means of including, removing or modifying system functions [16].

In contrast to dynamicity, the concept of evolution relates to all changes of an SoS that are not given by design, but arise by changes in the environment (primary evolution), or by new or changed requirements on the SoS service itself (secondary evolution). In the prospect of formalizing a methodology that allows evolution to take place in a controlled manner, the concept of managed evolution is most relevant. It is defined as the ‘evolution that is guided and supported to achieve a certain goal’ [16];

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