APPARATUS AND METHOD FOR SETTING PREFERENCE OF HOME AGENT, BASED ON THE NUMBER OF MOBILE NODES AND EXISTENCE TIME OF HOME AGENTS OR COMBINATION OF THEM IN MOBILE IPV6 STANDARDS

摘要

PURPOSE: An apparatus and method for setting preference of a home agent, based on the number of mobile nodes and existence time of home agents or combination of them in mobile IPv6 standards, are provided to maintain load balance among home agents by uniformly allocating mobile nodes to each home agent. CONSTITUTION: A home agent advertisement message receiving unit(6111) receives a home agent advertisement message from each home agent connected to a sub-net. A mobile node number extracting unit(6121) extracts the number of mobile nodes managed by each home agent from the home agent advertisement messages received by the home agent advertisement message receiving unit(6111). A preference setting unit(6131) sets a preference of each home agent based on the number of mobile nodes managed by each home agent as extracted by the mobile node number extracting unit(6121).