An information processing system including plural information processing devices multi-dimensionally connected with one another, where each of the information processing devices includes first and second receiving storage devices to store data allocated to first and second virtual channels in respective data transmitting and receiving directions, a virtual channel control unit to compare a position in a dimension of a destination information processing device with a position in the same dimension of an own information processing device, and if the comparison result indicates that the position of the own information processing device matches a position one information processing device before the position of the destination information processing device, change one of the first and the second virtual channels to the other one, and a data storage unit to store the allocated data in a corresponding one of the first and second storage devices.