Date Added: Apr 2011
The home agent can be a single point of failure in mobile IPv6 networks. This paper proposes a home agent fault-tolerant method for mobile IPv6 networks. All home agents are formed into the ring detection & backup chain in which every home agent backups its bindings on the next adjacent home agent and is monitored by the adjacent home agents. Every home agent is not only an active home agent, but also a standby one. Simulation results show that the method outperforms the current solution.