Patent ID: 7191258
Filing Date: 2007-03-13
Classification: H04L

Abstract:
1. A control packet management device of a packet forwarding system, comprising: a packet queue having a plurality of queues to store control packets as transmitted; a first processor to transmit at least one of said control packets stored in one queue of said plurality of queues to a host by a one-to-one interrupt; a second processor to divide said at least one of said control packets stored in said one queue into groups of a predetermined size and transmit said at least one of said control packets to said host in a group unit and by direct memory access (DMA); a third processor to discard a most common type of said at least one of said control packets stored in said one queue; and a controller to control said first, second and third processors to selectively operate in accordance with an accumulation state of said control packets stored in said plurality of queues, wherein said controller stores the rest of said control packets other than the discarded control packets to another queue of said plurality of queues.