| 摘要 |
A relay device 100 transmits received data to a transfer destination device. The data includes attribute information representing each of a plurality of attributes. The relay device includes a first storage section 101 which stores first rule information for specifying the transfer destination device based on the attribute information with respect to each of the attributes constituting a first attribute group including the plurality of the attributes, a second storage section 102 which stores second rule information for specifying the transfer destination device based on the attribute information with respect to each of the attributes constituting a second attribute group including part of the plurality of the attributes, and a transfer control section 103 which, in the case where the information quantity stored in the first storage section is larger than a preset first threshold quantity, if the information for specifying the transfer destination device only based on the attribute information with respect to each of the attributes constituting the second attribute group is stored in the first storage section as the first rule information, migrates the first rule information to the second storage section.
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