Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development

Research on SIP and ISUP Interworking Automated Testing Technology Based on TTCN-3

Author LinLiYing
Tutor FangYuMing
School Nanjing University of Posts and Telecommunications
Course Electronics and Communication Engineering
Keywords SIP and ISUP protocol interworking Automated Testing TTCN-3 Test system Test suite
CLC TP311.52
Type Master's thesis
Year 2012
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With the continuous advancement of technology and user requirements continue to increase , and a variety of network integration and interoperability of IMS-based research focus in recent years has become . Because of the technical and cost issues , the traditional circuit-switched networks and IMS-based packet-switched network will coexist for a long time . IMS is based on SIP (Session Initiation Protocol) protocol system , and the control of the PSTN network is done by the ISUP (Integrated Service Digital Network User Part) protocol . Therefore , a key issue in the IMS and PSTN interworking is to achieve the interoperability of SIP with ISUP protocol . Focus on SIP with ISUP interworking test description and test of the test suite implementation techniques . Through the analysis of the characteristics of SIP and ISUP protocol and SIP and ISUP protocol interworking mechanism , TTCN-3 core language and complete description of the SIP and ISUP protocol interworking automated test suite . The test suite is modular structure simplifies the development of the test suite , and reuse of this test technology . TTCN-3 supports dynamic parallel test configuration specification , SIP and ISUP protocol interoperability test configuration . Second test suite implementation requirements , design a TTCN-3 integrated development environment based on Eclipse platform integrated development environment TTCN-3 abstract test suites , TTCN-3 abstract test suite compiled execution environment and the abstract test suite management environment . The system interface is friendly , full-featured , and scalability to support multi-machine distributed testing , support the new protocol test needs to have a clear advantage , TTCN-3 abstract test suite can accelerate the development , deployment and execution . thereby increasing the efficiency of the test . Finally, according to the structure of TTCN-3 test system , the article further elaborated based on TTCN-3 SIP and ISUP Interworking automation testing process , and by the analysis of the results of the implementation of the test suite to verify the correctness and validity of the test . According to the protocol specification . The test system and test sets for SIP and ISUP Interworking Function entity MGCF test is an important part in the the MGCF development process of the control surfaces of the IMS and PSTN interworking function entity , to ensure that the the MGCF products to develop high-quality , high- efficiency carried out .

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