Patent ID: 7881201

Claim:
A resending control circuit far controlling resending of data to be resent to a sending destination, said resending control circuit comprising: a writing unit for writing resending information generated corresponding to the data to be resent and including a resending point-in-time of the data in a memory; a reading unit for reading out only oldest resending information from said memory; and a control unit for comparing resending point-in-time included in the oldest resending information stored in said memory with current point-in-time, and executing resending processing of the data corresponding to the oldest resending information according to a comparison result, wherein the resending information is made up of a number indicating a quantity of resending packets and a resending packet size of the resending packets included in the data to be resent in addition to the resending point-in-time; and wherein the control unit supplies the number of the resending packets and the resending packet size of the resending packets to a predetermined sending destination selecting circuit, and controls the predetermined sending destination selecting circuit to select the sending destination based on the number of the resending packets and the resending packet size.