| 摘要 |
A control device reduces its load responding to a transmission request for control information, and includes a control information management unit managing control information including a match field and causes a packet matching the match field to be processed; a transmission request storage unit storing uncontrolled transmission requests in transmission requests for control information for packets received by a switch under the control from the switch; and a request processing unit selecting a piece of control information having a looser match field from among pieces of control information managed by the control information management unit, then selects an unprocessed transmission requests for control information matching the selected piece of control information having a looser match field in unprocessed transmission requests for control information stored in the transmission request storage unit, and replies control information with the looser match field to the switch transmitting the unprocessed transmission requests for control information. |
