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Accidents caused by defective software systems have long been a nightmare. Though engineers utilize advanced techniques and rigorous quality control procedures, we still have to admit that the increasing complexity and expanding scale of software systems make it extremely difficult to guarantee high quality deliverables. Since large-scale software systems exhibit the characteristics of complex networks,...
With rapid growth of software Complexity, software reliability is an important issue in recent years. Thus, software complex networks are raised to give an expression of software complexity. Recent software complex networks are insufficient in expressing software feature with software reliability. In this paper, a software evolution complex network for object-oriented software (OOSEN) is built based...
In the traditional reliability test for system, the reliability of software is usually regarded as “1”, therefore the software and hardware correlated failures cannot be motivated, which lead to the inaccuracy of the reliability evaluation result. An approach of combined reliability test for software-hardware system is proposed in this paper. The combined reliability test profile for software-hardware...
Software reliability testing (SRT) is random testing based on the operational profile that acquires failure data to estimate the reliability of a software product in quantifiable terms. A huge number of test cases with lengthy execution periods are currently required to satisfy the probability distribution of the operational profile and the actual usage situation. These test cases lead to a long execution...
The determination of software reliability indices is the primary task in the software reliability engineering. The indices are taken as not only the basis for the software reliability design and the constraints during the software development process, but also the foundation of the software's acceptance. Software reliability indices are usually divided into quantitative indices and qualitative indices...
Software Reliability Testing (SRT) is a quantificational method to estimate the software reliability, which is to test software based on operational profile. However, it is difficult to be applied in engineering projects, one of the reasons is the testing cycle is too long and the testing cost is too high. How to improve the efficiency of the SRT is an important topic. In real SRT projects, it is...
Test data generation relies on the profile during the reliability testing. However, software and hardware reliability test profile are considered separately in imbedded system, and it is not a true indication of the usage to the system. In this paper, we shall first contrast of the test profile construction flow of hardware and software, and find out the integrating of them. And then advance the method...
System reliability becomes an increasing concern. The separate generation of hardware and software reliability test data cannot satisfy the demands of system reliability study. This paper introduces an approach to develop the system usage profile, which describes the system how to be used from the analysis of both hardware and software. By establishing the different scenarios of hardware and software,...
Software reliability testing (SRT) is one of the most important technologies to evaluate the levels of software reliability. The key of the SRT is to model the actual usage of the software. Traditional operational profile is fit to the software in which the operations are obvious. But some software, such as software in Autonomous Control System (ACS), the operation is difficult to define and the traditional...
As the diversity of software status and the uncertainty of software operation, the traditional methods to construct software reliability operational profile are difficult to be applied to reliability testing. This paper introduces an approach to generate operational profile based on scenario. It partitions the usage of software into various paths of software running according to the users and missions...
Software reliability testing (SRT) is one of the key techniques in software reliability field. It is too difficult to collect enough experiment data from SRT for analysis, since SRT is extremely time-consuming. In this paper, an automatic verification environment (AVE) is designed to execute SRT and collect the detailed testing data automatically in this paper. With the AVE, defect implanted in the...
Software reliability testing is one of the important tasks in software reliability engineering, in which the failure data can be used to evaluate and validate the software reliability. In this paper, the input space of real-time embedded software is analyzed first. And the model of input space constructed with usage space and input value space is presented, with which a formal modeling method, the...
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