Architecture Evaluation and Quality Attribute Specification for Software, Systems and SoS Architectures

Keywords SoS Architecture Evaluation and Quality Attribute Specification for Software Systems and SoS Architectures INCOSE
Standards groups

Directed. Directed SoS are those in which the integrated system-of-systems is built and managed to fulfill specific purposes. It is centrally managed during long-term operation to continue to fulfill those purposes as well as any new ones the system owners might wish to address. The component systems maintain an ability to operate independently, but their normal operational
mode is subordinated to the central managed purpose.

Acknowledged. Acknowledged SoS have recognized objectives, a designated manager, and resources for the SoS; however, the constituent systems retain their independent ownership, objectives, funding, and development and sustainment approaches. Changes in the systems are based on collaboration between the SoS and the system.

Collaborative. In collaborative SoS the component systems interact more or less voluntarily to fulfill agreed upon central purposes. The Internet is a collaborative system. The Internet Engineering Task Force works out standards but has no power to enforce them. The central players collectively decide how to provide or deny service, thereby providing some means of enforcing and maintaining standards.

Virtual. Virtual SoS lack a central management authority and a centrally agreed upon purpose for the system-of-systems. Large-scale behavior emerges—and may be desirable—but this type of SoS must rely upon relatively invisible mechanisms to maintain it.

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2011-03-24 Presentation on SoS System and Software Architecture Evaluation.pdf application/pdf   1.81 MB English DOWNLOAD!
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Software architecture a bridge between business and mission goals
and a software-reliant system.

Mike Gagliardi, Bill Wood
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