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Perspective view of virtualization technologies for avionics system
Zhang Jiong, Lü Zixu, Hu Yanyan, Long Xiang*
School of Computer Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ �����⻯����Ӧ���ں��յ���ϵͳ�����,���������ϵͳ��ʵ��Ӳ����Դ�Ĺ������������ϵͳ�Ļ���,������ARINC 653�淶��Ҫ��——ģ�黯���ɿ��ԡ��������뿪����.������Ӳ��ƽ̨�������������(VMM,Virtual Machine Monitor)�ͷ�������ϵͳ������Ӧ���������ɵ�3������ܹ�,���������ۺ�ģ�黯����ϵͳ(IMA,Integrated Modular Avionics)�Ĺ���Ҫ����ӿ�Ҫ��.����,Ϊʵ�ַ���ARINC 653Ҫ���VMM,��ͳ��������ϵͳ��Ҫ���ж���ؼ��Ե���,������������Ȩ������Ȩָ��жϡ��ڴ��ַ�ռ���䡢�豸�����ȷ���,�Ӷ����Թ������VMM���ۺϻ����յ���ϵͳ.
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Abstract�� Virtualization technology was used to achieve the designing of avionics system. Virtual machine system was used to implement a sharing management of hardware resources and to make a partitioned schema for software sub-systems subject to the requirements of ARINC 653, which required that the avionics system should be featured with modularity, reliability, isolation and openness. A triple-layer architecture, composed with hardware, virtual machine monitor(VMM)/partitioning OS, avionics application, was implemented to meet the functional and interfacing requirements of integrated modular avionics(IMA), which was a highly integrated and modularized avionics system. In order to achieve these features, VMM should be modified to resolve some problems so as to be compatible with ARINC 653 and traditional partitioned operating system should also be modified with several critical components or mechanisms, such as processor privilege level and privileged instruction, interrupt trap, memory management, device drivers and so on. With these improvements, a VMM-based IMA system could be constructed.
Keywords�� avionics   IMA(integrated modular avionics)   virtualization   partition design     
Received 2009-02-23;
Fund:

����863�ƻ�������Ŀ(2007AA01Z118);���ջ���������Ŀ(20081951033);�����н�ί��У������Ŀ

About author: �� ��(1976-),��,����������,��ʦ,zhangjiong@buaa.edu.cn.
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�� ��, ������, ������, �� ��.���⻯�������ۺϻ�����ϵͳ�е�Ӧ��[J]  �������պ����ѧѧ��, 2010,V36(2): 127-130
Zhang Jiong, L�� Zixu, Hu Yanyan, Long Xiang.Perspective view of virtualization technologies for avionics system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(2): 127-130
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