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Evaluating complex systems is not possible in absence of powerful software tools. RAPTOR (Rapid Availability Prototyping for Testing Operational Readiness) is a generic simulation product developed by ARINC that predicts reliability, maintainability and availability performance of systems and components. The author considers RAPTOR as being uniquely suited for evaluating communication network system...
This paper proposes a model to quantify the reliability of web services. Based on their structures, web services can be classified into the following two kinds: atomic web service which calls no other web services and composite web service consisting of atomic web services. The model first evaluates the reliability of atomic web services from the consumers' perspective. After that this paper points...
Cyberphysical (embedded) computer system availability and reliability can be modeled and assessed using the Architecture Analysis and Design Language (AADL) and its Error Model Annex. AADL can represent systems at multiple levels of abstraction. Therefore, analyses can be performed early and often throughout the development process thereby minimizing the cost and schedule impact of changes. We discuss...
Software aging often affects the performance of a software system and eventually causes it to fail. To highlight the aging problems in long running applications, we have conducted the study of software rejuvenation approach and virtualization technology in this paper. In order to reduce the downtime during rejuvenation interval, software rejuvenation and virtualization technology are combined in this...
We present a practical, systematical method for the evaluation of the soft error rate (SER) of microelectronic devices. Existing methodologies, practices and tools are integrated in a common approach while highlighting the need for specific data or tools. The showcased method is particularly adapted for evaluating the SER of very complex microelectronic devices by engineers confronted to increasingly...
This paper describes a methodology for building a reliable internet core router that considers the vulnerability of its electronic components to single event upset (SEU). It begins with a set of meaningful system level metrics that can be related to product reliability requirements. A specification is then defined that can be effectively used during the system architecture, silicon and software design...
Choosing the right test cases is an important task in software development due to high costs of software testing as well as the significance of software failures. Therefore, evaluating the quality of test techniques and test suites may help improving test results. Benchmarking has been successfully applied to various domains such as database performance. However, the difficulty in benchmarking test...
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