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Application Reliability Evaluation for Tactical Internet Based on OPNET

As a complex military mobile ad-hoc wireless network (MANET), tactical internet play an important role on the modern battlefield. To ensure high reliability for the Tactical Internet (TI), it is crucial to make reliability assessment test on it. Due to the high cost, long time and poor repeatability of the physical experiment on TI, many researchers are focused on the reliability evaluation method based on the simulation. However, the application modeling and the mobile model is often abstract and simple for the Tactical Internet in current study. Researchers often concentrate on the performance test for TI using the simulation method and rarely implement the reliability evaluation. In this paper, a reliability evaluation method based on OPNET is proposed to assess the application reliability of the Tactical Internet, with considering the mobile characteristics of the units in TI. At last, a case study is presented to illustrate the effectiveness and feasibility of the proposed application reliability evaluation method.