SWITCH DEVICE, INFORMATION PROCESSING SYSTEM, AND METHOD FOR CONTROLLING SWITCH DEVICE

摘要

A switch device includes a retaining unit, a switching processing unit, an identifying unit, and a rewriting unit. The retaining unit retains a flow table that maps each flow to a flag indicating whether the amount of transmitted data is equal to or more than a predetermined threshold. The switching processing unit stores a data packet received by a receiving buffer in one of a plurality of output queues provided for respective transmission ports based on the destination. The identifying unit identifies data packets included in a flow in which the amount of data is equal to or more than a predetermined threshold, from the data packets received by the receiving buffer. The rewriting unit refers to congestion notification information included in each of the identified data packets, and rewrites information indicating congestion to information indicating no congestion when the congestion notification information includes the information indicating congestion.

主权项

1. A switch device that receives a data packet transmitted by a transmitter device and transmits the data packet to a receiver device, the switch device comprising:
a retaining unit that retains a flow table that maps each flow including a series of data packets transmitted from the transmitter device to the receiver device to a flag indicating whether an amount of data transmitted by the flow is equal to or more than a first threshold; a receiving unit that receives the data packets transmitted by the transmitter device; a storing unit that stores the data packets received by the receiving unit in one of a plurality of output queues provided for respective transmission ports based on a destination of the data packets; an identifying unit that identifies data packets included in a flow mapped with a flag indicating that the amount of transmitted data is equal to or more than the first threshold from the data packets received by the receiving unit, by referring to the flow table; a rewriting unit that refers to congestion notification information notifying whether congestion has occurred, the congestion notification information being included in each of the data packets identified by the identifying unit, and rewrites the information indicating that congestion has occurred to information indicating that no congestion has occurred when information indicating that congestion has occurred is included in the congestion notification information; and a transmitting unit that transmits the data packets in the output queue.