To provide a data transfer device that eliminates the need for re- acquisition processing of a terminal address and eliminates the need for rewrite processing of a routing table of a router and can quickly conduct connection processing.
The data transfer device is provided with a master conversion means that manages one IP address or more and converts a sender IP address of a connected terminal into the managed address as above, a notice means that informs other data transfer device about conversion information denoting the converted address by the master conversion means, a conversion information reception means that receives the conversion information of which the other data transfer device informs, a slave conversion means that converts an address of data with the address described in the conversion information received by the conversion information reception means according to the conversion information, and a transfer means data via the master and slave conversion means.
TOMA SATORU
TSUTSUMI SHUNSUKE
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