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The context of a software system comprises the knowledge that architects need to have about the environment in which a system is expected to operate. Contextual knowledge, however, is often unknown or overlooked. This results in software architects designing systems based on assumptions that are largely unfounded and can potentially lead to system failures. To address this problem, this paper presents...
Assurance is an essential part of building any software system because it provides confidence and reduces the risks associated with system implementation. Assurance of service-oriented systems is similar to assurance of any distributed system. However, service-oriented environments have additional challenges because of their unique characteristics-reduced control, observability, visibility, and trust;...
In today's rapidly changing environment it is no longer possible for isolated systems to provide all the capabilities that are necessary to fulfill a mission. Therefore, there is an increasing trend towards interconnected systems of systems that provide capabilities not available in a single system. However, existing software and system engineering practices do not scale well to SoS-engineering a...
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