Model-based self-monitoring embedded programs with temporal logic specifications

Tan, Li

doi:10.1145/1101908.1101975

Cited by 8 publications

(8 citation statements)

References 9 publications

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“…The only studies that directly transfer formalization results over different phases of the software life cycle are [9,20,29,8]. While we notice an increasing attention for the use of formal methods in self-adaptive systems, we believe that there is a dearth of approaches that exploit work products of formalization throughout the software life cycle.…”

Section: Formal Approaches To Self-adaptationmentioning

confidence: 99%

Towards an integrated approach for validating qualities of self-adaptive systems

Weyns

2012

Proceedings of the Ninth International Workshop on Dynamic Analysis

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Self-adaptation has been widely recognized as an effective approach to deal with the increasing complexity and dynamicity of modern software systems. One major challenge in self-adaptive systems is to provide guarantees about the required runtime qualities, such as performance and reliability. Existing research employs formal methods either to provide guarantees about the design of a self-adaptive systems, or to perform runtime analysis supporting adaptations for particular quality goals. Yet, work products of formalization are not exploited over different phases of the software life cycle. In this position paper, we argue for an integrated formally founded approach to validate the required software qualities of self-adaptive systems. This approach integrates three activities: (1) model checking of the behavior of a self-adaptive system during design, (2) model-based testing of the concrete implementation during development, and (3) runtime diagnosis after system deployment. We illustrate the approach with excerpts of an initial study and discuss for each activity research challenges ahead.

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Section: Formal Approaches To Self-adaptationmentioning

confidence: 99%

Towards an integrated approach for validating qualities of self-adaptive systems

Weyns

2012

Proceedings of the Ninth International Workshop on Dynamic Analysis

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“…The semantics of MEDL can be found in [20]. Events are things that occur at some time instance and conditions are facts that hold for certain duration.…”

Section: ( )mentioning

confidence: 99%

“…Both of MEDL and PEDL are originally introduced for specifying requirements of Java Programs [7]. [20] extends their semantics to the continuous time domain so that they can be interpreted on the runs of hybrid automata.…”

Section: ( )mentioning

confidence: 99%

Runtime Monitoring for Cyber-physical Systems: A Case Study of Cooperative Adaptive Cruise Control

Mao

Chen

2012

2012 Second International Conference on Intelligent System Design and Engineering Application

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Cyber-Physical Systems (CPS) involve deep interactions between computation cores, communication networks, and physical environments. These systems are inherently complex and highly nondeterministic. This makes the traditional formal verification technology impractical to verify the complete system behavior, and testing alone is insufficient to guarantee correctness. Runtime monitoring, known as a lightweight verification technique, provides a practical way to monitor and verify such systems at runtime. In this paper, we present a case study for runtime monitoring of the Cooperative Adaptive Cruise Control systems (CACC) in automobile CPS systems. We build a hybrid automatonbased model for the CACC system using the CHARON modeling language and construct an event-based runtime monitoring framework. The synthesized monitor observes the running of CACC and checks whether it works correctly against the temporal logic safety specification. Experimental results obtained through this case study provide evidence for the efficacy of runtime monitoring of CPS systems.

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“…Moreover, we observe for security behavior using a separate monitor for each component. Tan [12] proposes to compos the monitor with the system model to form a self-monitoring model. Our approach is similar to their as we also enhance the model (UML class diagram and state charts) to include monitoring related aspects.…”

Section: Components With Embedded Monitorsmentioning

confidence: 99%

Building components with embedded security monitors

Khan

Zulkernine

2011

Proceedings of the Joint ACM SIGSOFT Conference -- QoSA and ACM SIGSOFT Symposium -- ISARCS on Quality of Software Architecture

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A software component should be trustworthy and behave in a secure manner as it will be reused many times. Despite extensive efforts, usually, it cannot be guaranteed that a developed software component is completely secure. Hence, its execution in the realworld needs to be monitored against its security specifications. Each time components are used to develop a component-based software (CBS), a new monitor has to be designed to observe the behavior of the CBS. This results in recurring costs as such monitors cannot be reused for other CBS. Moreover, development life cycle artifacts are usually not available when a pre-fabricated component is used to build a CBS. Given that, it is imperative that a specification-based security monitor is developed along with the monitored component (when all development artifacts are available) and is embedded in the component to increase the component's trustworthiness. In this paper, we identify the types of constraints that may be imposed by security specifications. These constraints should be taken into account while developing the software components and should also be monitored. Furthermore, we propose a design approach to develop components with built in monitors that are able to observe these security constraints. Components developed following this approach would be self-monitoring, promote greater reusability, and be more trustworthy. We evaluate our approach by analyzing the performance and design complexity of different versions of CBS. These versions are developed by following the traditional and proposed approaches for monitoring security aspects of CBS.

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Model-based self-monitoring embedded programs with temporal logic specifications

Cited by 8 publications

References 9 publications

Towards an integrated approach for validating qualities of self-adaptive systems

Towards an integrated approach for validating qualities of self-adaptive systems

Runtime Monitoring for Cyber-physical Systems: A Case Study of Cooperative Adaptive Cruise Control

Building components with embedded security monitors

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