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Teleprocessing Network Simulator (TPNS)〔 Retrieved on October 1, 2015.〕 is a licensed program developed by IBM as a test automation tool to simulate one or many network terminal(s) to a mainframe computer system, for functional testing, system testing, regression testing, capacity management, benchmarking and stress testing.〔 * Retrieved on October 29, 2015. 〕 In addition to its general use as a test tool exchanging message traffic with a system under test, TPNS has been deployed: *as a systems management tool — to monitor the availability of an online system, from the end-user's perspective;〔 Retrieved on October 24, 2015 〕 *as a software development tool — for prototyping software programs during the development process.〔 Retrieved on July 3, 2006〕 ==History== *Teleprocessing Network Simulator (TPNS) Version 1 Release 1 was introduced as Program Product 5740-XT4 in February, 1976.〔 Retrieved on October 1, 2015〕 Between 1976 and 1981, IBM delivered four additional releases, culminating in V1R5. *In August 1981, IBM announced TPNS Version 2 Release 1 as Program Product 5662-262. Between 1981 and 1987, IBM delivered three additional releases, culminating in V2R4.〔 *In January 1989, IBM announced TPNS Version 3 Release 1 as Program Product 5688-121. Between 1989 and 1996, IBM delivered four additional releases, culminating in V3R5.〔 *In December 1997, IBM announced a TPNS V3R5 Service Level 9711 Functional and Service Enhancements release.〔 Retrieved on October 1, 2015 〕 *In September 1998, IBM announced Teleprocessing Network Simulator (TPNS) Test Manager (for TPNS V3R5) as a usability enhancement to automate the test process further in order to improve productivity through a logical flow, and to streamline TPNS-based testing of IBM 3270 applications or CPI-C transaction programs.〔 Retrieved on October 1, 2015〕 *In December 2001, IBM announced a TPNS V3R5 Service Level 0110 Functional and Service Enhancements release.〔 Retrieved on October 30, 2015 〕 *In August 2002, IBM announced Workload Simulator for z/OS and S/390 (WSim) V1.1 as Program Number 5655-I39, a re-packaged successor product to TPNS,〔 Retrieved on October 1, 2015〕 alongside Workload Simulator for z/OS and S/390 (WSim) Test Manager V1.1, a re-packaged successor to TPNS Test Manager.〔 Retrieved on October 1, 2015〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IBM TPNS」の詳細全文を読む スポンサード リンク
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