Patent ID: 7729258
Filing Date: 2010-06-01
Classification: H04L

Abstract:
1. A switching device for switching packets having a plurality of packet types to a plurality of devices according to a PCI Express protocol, the switching device comprising: a receiver adapted to receive packets inputted into the switching device, the receiver having a buffer; and a transmitter adapted to transmit packets to a first device in the plurality of devices, the transmitter having a buffer provided for each packet type; when a remaining capacity of a first transmitter buffer which stores a first packet type becomes insufficient, the transmitter transmits to the receiver a first signal indicating that the remaining capacity of the first transmitter buffer has become insufficient, when the receiver receives the first signal, the receiver transmits packets to the transmitter which are not of the first packet type according to a receiving order of the packets, and when the receiver does not receive the first signal, the receiver transmits the packets to the transmitter according to the receiving order.