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Tactic: [Runtime Cost-Benefit–Aware Strategy Switching]

Tactic sort: Awesome Tactic

Type: Architectural Tactic

Category: resource-adaptation

Tags: cost-reduction design strategies

Title

[Runtime Cost-Benefit–Aware Strategy Switching]

Description

During operation, dynamically select the most cost-effective self-adaptation strategy based on observed and predicted costs and benefits across different scenario classes. Continuously monitor OSU (Overall System Utility) traces and select the strategy with the highest net benefit (benefit minus cost) for the current operating context

Participant

Software developers

Related software artifact

Runtime adaptation manager, Strategy selector

Context

Runtime decision-making in self-adaptive systems that support multiple adaptation strategies for responding to environmental changes

Software feature

scenario classifier,utility tracker,feedback loops

Tactic intent

To improve the system’s overall runtime performance and resilience by adaptively choosing the most beneficial self-adaptation strategy in real time

Target quality attribute

Cost Efficiency

Other related quality attributes

< unknown >

Measured impact

Overall System Utility (OSU)

Source

Gerostathopoulos, C. Raibulet and E. Alberts, Assessing Self-Adaptation Strategies Using Cost-Benefit Analysis, 2022 IEEE 19th International Conference on Software Architecture Companion (ICSA-C), Honolulu, HI, USA, 2022, pp. 92-95 (DOI: https://doi.org/10.1109/ICSA-C54293.2022.00023.)