A compositional method for reliability analysis of workflows affected by multiple failure modes | Zendy

Salvatore Distefano | Zendy; Antonio Filieri | Zendy; Carlo Ghezzi | Zendy; Raffaela Mirandola | Zendy

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A compositional method for reliability analysis of workflows affected by multiple failure modes

Author(s) -

Salvatore Distefano,

Antonio Filieri,

Carlo Ghezzi,

Raffaela Mirandola

Publication year - 2011

Publication title -

spiral (imperial college london)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1145/2000229.2000251

Subject(s) - workflow , computer science , reliability (semiconductor) , reliability engineering , simple (philosophy) , failure mode and effects analysis , focus (optics) , syntax , software quality , software , software engineering , programming language , software development , engineering , artificial intelligence , database , philosophy , optics , power (physics) , physics , epistemology , quantum mechanics

We focus on reliability analysis for systems designed as workflow based compositions of components. Components are characterized by their failure profiles, which take into account possible multiple failure modes. A compositional calculus is provided to evaluate the failure profile of a composite system, given failure profiles of the components. The calculus is described as a syntax-driven procedure that synthesizes a workflows failure profile. The method is viewed as a design-time aid that can help software engineers reason about systems reliability in the early stage of development. A simple case study is presented to illustrate the proposed approach

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