To provide an information processor which is high in data transfer efficiency.

The information processor, which has a means for solving the problem, includes: at least one or more transmission ports which transmit the data to a reception port at a transmitting destination; a storage module which stores reception port information at the transmitting destination; and a controller which detects throughput of at least two routes of combination of the reception port stored in the storage module and at least one transmission port, detects a reception port at the transmitting destination of the detected throughput of the at least two routes, and transmits the data to the reception port selected from the transmission port of the selected route.