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System
Testing and Interoperability - Theory and Applications
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Vice President Bell Labs Research China 15F, Aero Space Great Wall Building, No.30, Hai Dian Nan Lu, Beijing, China |
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Abstract
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| We first discuss communication system conformance testing. We describe several fundamental problems, their complexity and solutions. We report industrial applications of the developed techniques. | |||
| We then present our work on system interoperability testing. This work has been motivated by the need to test interoperability of systems carrying voice calls over the IP network. Voice over IP (VoIp) systems must be integrated and interoperate with the exiting Public Switched Telephone Network before they are widely adopted. Standards have been developed to address this problem, but unfortunately there is no guarantee that the integrated VoIP systems would interoperate properly even if the implementations are all compliant to standards. Interoperability testing has become indispensable. | |||
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We study criteria that cover all the required patterns of "interoperating behaviors". We want to test all such system interoperations. On the other hand, test execution in real environment is expensive, and we want to minimize the number of tests. We study data structures and efficient test generation algorithms, which take time proportional to the total test case size. We report experimental results on VoIP systems. |
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Biography
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David
Lee