Patent ID: 9419910
Filing Date: 2016-08-16
CPC Classification: H04L

Claim Text:
1. A communication system, comprising: a forwarding node(s) in which a first packet handling operation(s) for processing incoming packets is set and which processes packets in accordance with the packet handling operation(s); a first control apparatus setting the first packet handling operation(s) in the forwarding node(s); a flow control node(s) arranged upstream of the forwarding node(s); and a second control apparatus setting a second packet handling operation(s) in the flow control node(s), wherein the flow control node(s) intercepts forwarding of packets that do not satisfy a predetermined condition(s) to the forwarding node(s) in accordance with the second packet handling operation(s); and wherein the second control apparatus sets a packet handling operation(s) having fewer fields that are matched against incoming packets in the flow control node(s), compared with a packet handling operation(s) set in the forwarding node(s).