| 摘要 |
A file into is divided into a plurality of section data sets, each section data set having a predetermined data amount less than one-packet data amount, allocates the section data sets to the networks according to a predetermined rule, connects in series the section data sets allocated to each network as a section file, dividing the section file into a plurality of packets, and setting, in a predetermined region of each packet, packet identification information associated with the transmission object file, sets information specifying the network in a predetermined region of each packet; and sends each packet to a local communication line.
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