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A Formal Approach to Protocol interoperability testing

Journal of Computer Science & Technology 1998年第1期13卷 79-90页

作者：郝瑞兵吴建平 DepartmentofComputerScience TsinghuaUniversityBeijing100084P.R.China DepartmentofComputerScience Ts

Protocol interoperability testing is an important means to ensure the interconnection and interoperation between protocol products. In this paper, we proposed a formal approach to protocol interoperability testing based on the operational semantics of Concurrent TTCN. We define Concurrent TTCN's operational semantics by using Labeled transition System, and describe the interoperability test execution and test verdict based on Concurrent TTCN. This approach is very helpful for the formation of formal interoperability testing theory and construction of general interoperability testing system.

关键词： interoperability testing concurrent semantics concurrent TTCN FDT-based application.

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A formal method to real-time protocol interoperability testing

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Science in China(Series F) 2008年第11期51卷 1723-1744页

作者： WANG ZhiLiang1,3,YIN Xia2,3 & JING ChuanMing2,3 1 Network Research Center,Tsinghua University,Beijing 100084,China 2 Department of Computer Science and Technology,Tsinghua University,Beijing 100084,China 3 Tsinghua National Laboratory for Information Science and Technology(TNList) ,Beijing 100084,China Network Research Center Tsinghua University Beijing China Tsinghua National Laboratory for Information Science and Technology (TNList) Beijing China Department of Computer Science and Technology Tsinghua University Beijing China

interoperability testing is an important technique to ensure the quality of implementations of network communication protocol. In the next generation Internet protocol, real-time applications should be supported effectively. However, time constraints were not considered in the related studies of protocol interoperability testing, so existing interoperability testing methods are difficult to be applied in real-time protocol interoperability testing. In this paper, a formal method to real-time protocol interoperability testing is proposed. Firstly, a formal model CMpTIOA （communicating multi-port timed input output automata） is defined to specify the system under test （SUT） in real-time protocol interoperability testing; based on this model, timed interoperability relation is then defined. In order to check this relation, a test generation method is presented to generate a parameterized test behavior tree from SUT model; a mechanism of executability pre-determination is also integrated in the test generation method to alleviate state space explosion problem to some extent. The proposed theory and method are then applied in interoperability testing of IPv6 neighbor discovery protocol to show the feasibility of this method.

关键词： protocol testing interoperability testing real-time testing test generation timed input output automata(TIOA)

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维普期刊数据库

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Minimal-Length interoperability Test Sequences Generation via Genetic Algorithm

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Journal of Beijing Institute of Technology 2008年第3期17卷 341-345页

作者：钟宁匡镜明何遵文 School of Information Science and Technology Beijing Institute of Technology

A novel interoperability test sequences optimization scheme is proposed in which the genetic algorithm （GA） is used to obtain the minimal-length interoperability test sequences. During our work, the basic interoperability test sequences are generated based on the minimal-complete-coverage criterion, which removes the redundancy from conformance test sequences. Then interoperability sequences minimization problem can be considered as an instance of the set covering problem, and the GA is applied to remove redundancy in interoperability transitions. The results show that compared to conventional algorithm, the proposed algorithm is more practical to avoid the state space explosion problem, for it can reduce the length of the test sequences and maintain the same transition coverage.

关键词： interoperability testing genetic algorithm test sequences generation

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