Patent ID: 7613839
Filing Date: 2009-11-03
Classification: H04L

Abstract:
1. A method of setting a master node apparatus of a ring network that has adjacently connected node apparatuses situated on rightward and leftward lines of a bidirectional transmission channel, the method comprising: counting the number of node interposed between a designated node apparatus and each node apparatus other than the designated node apparatus on the rightward and leftward lines of the bidirectional transmission channel; and setting one of the node apparatuses as the master node apparatus; wherein the master node apparatus satisfies a relation of, NHC_L =NHC_R or NHC_L =NHC_R- wherein NHC_L is the number of interposed node apparatuses counted from the leftward line, and NHC_R is the number of interposed node apparatuses counted from the rightward line; wherein the designated node apparatus is a node apparatus at which reception traffic is concentrated.