Patent ID: 9602413
Date: 2017-03-21
CPC Classifications: H04L

Claim:
1. A bandwidth control device of a group formed by a first bandwidth control device and one or more second bandwidth control devices, the bandwidth control device comprising: a hardware processor configured to: subtract, when the first bandwidth control device or the one or more second bandwidth control devices allow a packet to pass, an amount of the passed packet from a permissible passage amount to be passed the first bandwidth control device; and correct the permissible passage amount of the first bandwidth control device or a threshold value of the first bandwidth control device based on a result of a comparison between a passage amount of packets passed the first bandwidth control device and passage amounts of packets passed the one or more second bandwidth control devices, wherein the first bandwidth control device is configured to determine whether a packet is to be allowed to pass through or not based on a result of a comparison between the permissible passage amount and the threshold value and to allow the packet to pass or discard the packet according to the determination result.