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Building Multiple-Viewpoint Assurance Cases Using Assumption/Guarantee Contracts

Fulltext:


Authors:

Irfan Sljivo, Barbara Gallina

Research groups:

Dependable Software Engineering
Safety-Critical Engineering

Publication Type:

Conference/Workshop Paper

Venue:

1st International workshop on Interplay of Security, Safety and System/Software Architecture

Abstract

Assurance cases in form of structured arguments are often required by standards to show that a system is acceptable for its intended purpose with respect to a particular assurance viewpoint such as safety or security. The goal of such a case is to present an argument that connects the requirements of a particular viewpoint with the supporting evidence. Building a set of assurance cases for the different viewpoints can be time-consuming and costly. Means are needed to automate and reuse the assurance case artefacts between the assurance cases for the different viewpoints.In this paper we present how assumption/guarantee contracts can be used to facilitate reuse of assurance case artefacts by building multiple-viewpoint assurance cases from the contracts. More specifically, we build upon the previous work on argument-fragment generation from such contracts to allow for generating viewpoint specific argument-fragments. We illustrate the approach on a motivating case.

Bibtex

@inproceedings{Sljivo4509,
author = {Irfan Sljivo and Barbara Gallina},
title = {Building Multiple-Viewpoint Assurance Cases Using Assumption/Guarantee Contracts},
month = {November},
year = {2016},
booktitle = {1st International workshop on Interplay of Security, Safety and System/Software Architecture},
url = {http://www.es.mdu.se/publications/4509-}
}