Patent ID: 7535878

Claim:
A method for ensuring reliable access to a mobile node, comprising: intercepting a care of address (“COA”) request, the COA request including a mobile node hostname; routing the COA request to a configuration module within a network stack coupled to the mobile node; the configuration module replacing the mobile node hostname in the COA request with an alternative configured name prior to passing the COA request with the alternative configured name to a physical layer within the network stack coupled to the mobile node; transmitting the COA request with the alternative configured name to a server; the configuration module on the mobile node intercepting a COA reply from the server, the COA reply being sent by the server in response to the COA request with the alternative configured name, the COA reply including the alternative configured name; the configuration module replacing the alternative configured name with the mobile node hostname; and the configuration module transmitting the COA reply with the mobile node hostname up the network stack of the mobile node.