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Packet transfer device, packet transfer method resolution server, DNS servers, network systems and programs
Packet transfer device, packet transfer method resolution server, DNS servers, network systems and programs
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机译:数据包传输设备,数据包传输方法解析服务器,DNS服务器,网络系统和程序
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摘要
When a packet transfer equipment receives a packet, it extracts several types of information contained in the received packet such as the destination IP address and the destination port number and, using the extracted information as the key, inquires of a packet transfer method resolution server about the information related to the packet transfer method. The server keeps the correspondences between several types of information contained in the packet and one or more type of information related to the packet transfer method in the database and, in response to the inquiry from the packet transfer equipment, replies one or more type of information related to the packet transfer method. The packet transfer equipment rewrites several types of information such as the destination IP address and the destination port number according to one or more type of information obtained and transfers the received packet.
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