Patent ID: 9197568
Filing Date: 2015-11-24
Classification: H04L

Abstract:
1. A method of generating a flow entry by a node in a network, the method comprising: receiving a first packet of a predetermined flow; searching for forwarding information corresponding to the first packet and Quality of Service (QoS) rule information corresponding to the first packet in a forwarding table and a QoS rule table, respectively; transmitting the first packet to a controller if at least one piece of information of the forwarding information and the QoS rule information does not exist in the forwarding table and the QoS rule table; receiving the at least one piece of information from the controller; and generating a flow entry corresponding to the first packet in a flow learning table based on information obtained from at least one of the forwarding table and the QoS rule table and the at least one piece of information received from the controller, wherein the node manages the forwarding table, the QoS rule table and the flow learning table, separately.