Abstract
Now, information systems are developed as open system that depend on each other. Assurance cases are expected to confirm a dependability of open systems. D*Framework is a method that can make assurance case for open system. In this paper we defined d*Framework formally. Furthermore we apply this method with case study and made discussion.
Highlights
Dependability support of an information system is becoming difficult as the use of an information system is diversified and complicated
Creations of Assurance Case are increasing for consideration of management of dependability in systems development Kelly (1999) Sujan et al (2007) Scott and Krombolz (2005) Bishop et al (2004) Rhdes et al (2009)
In a system development process, creating and managing Assurance Case become possible by GSN
Summary
Dependability support of an information system is becoming difficult as the use of an information system is diversified and complicated. We have to consider dependability of such a system This is difficult because we must consider multi systems simultaneously. Creations of Assurance Case are increasing for consideration of management of dependability in systems development Kelly (1999) Sujan et al (2007) Scott and Krombolz (2005) Bishop et al (2004) Rhdes et al (2009). GSN Kelly (1999) (Goal Structuring Notation), which can structurally arrange the purpose, has been used for creation of Assurance Case. In a system development process, creating and managing Assurance Case become possible by GSN. When two or more systems related each other, in GSN, it becomes difficult to treat the interaction between systems explicitly. It can treat a system that is consist of two or more portions. It is considered that each portion is actor. We define the d* explicitly and create an assurance case as an example of case study using d*
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