Patent ID: 8392549
Filing Date: 2013-03-05
Classification: H04L

Abstract:
1. A method of searching for a floating Internet Protocol (IP) address, the method comprising: receiving, by a node of a network ring, a first message from an external node, the first message comprising an IP address of the external node and an Identification (ID) of a target node; determining whether the ID of the target node is registered in the network ring, based on data from a ring information table; transferring the first message from the network ring to a representative node of a first child ring having an address range of the target node among child rings, when the ID of the target node is not registered in the network ring; transferring the first message from the network ring to a representative node of a parent having an address range of the target node among parent rings, when the ID of the target node is not registered in the network ring; and transferring the first message from the first child ring to a representative node of a second child ring having an address range of the target node among child rings, when the ID of the target node is not registered in the first child ring.