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Study and Implementation of Save-Restore and Log-Replay in HLA/RTI

Author: LiuZhu
Tutor: LiGang
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: High Level Architecture Run support environment Save Restoration Record Playback
CLC: TP391.9
Type: Master's thesis
Year: 2003
Downloads: 199
Quote: 4
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Abstract


High Level Architecture HLA (High Level Architecture) in September 2000 by the IEEE to determine 1516 standard has become the universal standard internationally distributed simulation. HLA distributed simulation-based distributed simulation development direction. Simulation run support environment (RTI: Run-time Infrastructure) is a concrete realization of the HLA Interface Specification standard, the basis for the design and operation of simulation applications. RTI save recovery mechanism for the recovery of the errors in the simulation process, can also be used to evaluate alternative method under the same conditions, as well as for the long pause and continue execution of the simulation, thus frequently during the simulation be used, and as such, RTI save function of the realization of the recovery, with a strong practical significance. The simulation process can be used to record playback retrospect, so as to facilitate the users to make better use of simulation resources. Similarly, how to implement a generic recording and playback tools, is also a matter of concern. Save the recovered whether or record playback abroad are rarely publish detailed technical information, the information in this regard is very few. This paper first introduces the development and research of HLA, followed by a discussion of the the HLA standard of basic content, and then gives the to save RTI alliance management mechanism to recover its design and concrete realization, then discussed the realization of the recording and playback and given StarLogger the specific implementation methods, as well as on the StarLogger the improved. Finally, on the StarLink save restore function test and the test of recording and playback tool StarLogger. The innovation of this paper is to study the the StarLink preservation recovery mechanisms, and save the recovered and directly generate combined data taken on the coalition's executive. These methods are easy to implement and improve the reliability of the software makes the preservation and restoration of the coalition's executive. Second, the study of the complex structure of data written to disk file to save and read out from the disk file recovery and solve the problem of the preservation and restoration of the pointer and the class object data. Finally, using the method of the specified Leaguers in recording playback achieve playback, extended the MOM Get playback federate the object referenced by the playback Leaguers direct playback Leaguers playback method, making playback generate simulation process closer to the real simulation.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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