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�������պ����ѧѧ�� 2005, Vol. 31 Issue (05) :578-582    DOI:
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BACnet��Internet�Ļ���
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�������պ����ѧ �����ѧԺ, ���� 100083
Interconnection between BACnet and Internet
Fang Yi, Xiong Zhang, Wang Zhongxin*
School of Computer Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ �Աȷ�����Ŀǰ2��BACnet(¥���Զ�������������ͨ��Э��)��Internet�Ļ�������,��B/IP PAD(BACnet/InternetЭ�����װ/��װ�豸)��BACnet/IP,��ָ������2�ּ��������ڵ�����.�����һ�ֻ���BACnet���صĻ���ģ��,�����ع�����BACnet�����,��Ҫ����һ��������IP��ַ��һ��BACnet�����,ͬʱҲ����ά��һ���Ե����ص�IP��ַ��BACnet����ŵı������ݿ�.��ģ��ͨ��BACnet��������ɲ�ͬЭ��֮�������ת�����㲥������ȹ���,ΪBACnet������Internet֮���ṩ��ͳһ������ӿ�,��ǿ��¥�����������Internet�ںϵ�����,��������BACnet������Internet�Ļ�������.���о���ģ�͵���ϵ�ṹ�͹������̵Ļ�����̽���˸�ģ�͵�ʵ�ַ���.
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Abstract�� The comparison and analysis of two current interconnection technologies between a data communication protocol for building automation and control network(BACnet) and Internet, including BACnet/internet protocol packet-assembler-disassembler(B/IP PAD) and BACnet/IP, was carried out. The existing questions of two technologies were pointed out. The interconnection model based on BACnet gateway was presented. The gateway works at BACnet network layer. The gateway need configure an isolated IP address and a BACnet network ID. The gateway must maintain a local database including IP addresses and BACnet network IDs of peer-to-peer gateways. The functions of BACnet gateway consist of semantic transformation, broadcast and management of different protocols. A uniform network interface between BACnet and Internet was provided by the model. The convergence capacity of the building control network and Internet was enhanced. The interconnection process between BACnet network and Internet was greatly simplified. Based on the research of the model’s architecture and workflow, the implementation approach of the model was discussed.
Keywords�� network interconnection   gateway   Internet   building control network     
Received 2004-11-01;
Fund:

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About author: �� ��(1974-),��,���ճ�����,��ʿ��, paulfy@buaa.edu.cn.
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����, ���, ������.BACnet��Internet�Ļ���[J]  �������պ����ѧѧ��, 2005,V31(05): 578-582
Fang Yi, Xiong Zhang, Wang Zhongxin.Interconnection between BACnet and Internet[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(05): 578-582
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