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The Anatomy of Large Scale Systems Revisited

In papers at the prior ESD Symposia we discussed system properties, often called ilities, as well as the structure of large scale systems. Issues related to ilities have been relatively well understood, but issues related to structure and organization were not. Hence this paper addresses this issue again. The main architectural concept in the earlier papers was layered hierarchies. We will discuss this concept in the context of applications, such as health care and higher education.