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http://hdl.handle.net/10125/50594
Assessing the Risk of an Adaptation using Prior Compliance Verification
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Item Summary
Title: | Assessing the Risk of an Adaptation using Prior Compliance Verification |
Authors: | Marshall, Allen Jahan, Sharmin Gamble, Rose |
Keywords: | IS Risk and Decision-Making adaptive plans, colored Petri nets, risk assessment, self-adapting systems, verification concerns, verification process reuse |
Date Issued: | 03 Jan 2018 |
Abstract: | Autonomous systems must respond to large amounts of streaming information. They also must comply with critical properties to maintain behavior guarantees. Compliance is especially important when a system self-adapts to perform a repair, improve performance, or modify decisions. There remain significant challenges assessing the risk of adaptations that are dynamically configured at runtime with respect to critical property compliance. Assuming compliance verification was performed for the originally deployed system, the proof process holds valuable meta-data about the variables and conditions that impact reusing the proof on the adapted system. We express this meta-data as a verification workflow using Colored Petri Nets. As dynamic adaptations are configured, the Petri Nets produce alert tokens suggesting the potential proof reuse impact of an adaptation. Alert tokens hold risk values for use in a utility function to determine the least risky adaptations. We illustrate the modeling and risk assessment using a case study. |
Pages/Duration: | 10 pages |
URI: | http://hdl.handle.net/10125/50594 |
ISBN: | 978-0-9981331-1-9 |
DOI: | 10.24251/HICSS.2018.705 |
Rights: | Attribution-NonCommercial-NoDerivatives 4.0 International https://creativecommons.org/licenses/by-nc-nd/4.0/ |
Appears in Collections: |
IS Risk and Decision-Making |
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