Patent ID: 8451727
Filing Date: 2013-05-28
Classification: H04L

Abstract:
1. An apparatus for controlling congestion occurrence in a communication network, comprising: a first protocol handler configured to perform data transmission based on a first protocol between the apparatus and one or more edge nodes; a second protocol handler configured to perform data transmission based on a second protocol that is a connectionless protocol positioned at a protocol layer higher than the first protocol, between the apparatus and the one or more edge nodes; a congestion detector configured to detect a first congestion state identifying a congestion state of the apparatus; a peer node selector configured to select, from among the one or more edge nodes, a first peer edge node that has caused congestion occurrence in the apparatus; and a congestion information setting unit configured to set first congestion information identifying the detected first congestion state, to a first outgoing packet that is to be transmitted from the apparatus to the selected first peer edge node, wherein the first outgoing packet having the first congestion information is transmitted from the apparatus to the selected first peer edge node at the time when the second protocol handler performs data transmission based on the second protocol from the apparatus to the selected first peer edge node.