摘要 |
A system transmits a data packet from a transmitting apparatus to a receiving apparatus. The receiving apparatus includes a receive buffer, and a size specifying information transmitting unit that transmits size specifying information to the transmitting apparatus. The transmitting apparatus includes a transmit buffer, a credit storage unit that stores, as a credit, a value corresponding to a total size of all data packets stored in the receive buffer, a credit adding unit that adds a credit to the stored credit on transmitting a data packet, a credit subtracting unit that specifies a size of a read-out data packet on receiving the size specifying information, subtracts a credit corresponding to the specified size from a stored credit, and a transmission controlling unit that controls data packet transmission based on a credit stored in the credit storage unit.
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