System and method for providing agent-free and no-packet overhead mobility support with transparent session continuity for mobile devices

A computer-readable medium having computer-executable instructions for performing steps by a mobile host communicating with a correspondent host over an existing connection to handle an address change of the mobile host from an old address to a new address, the steps comprising:

• deprecating the old address;
• sending an address change message to the correspondent host over a secured control channel;
• receiving an acknowledgment of receipt of the address change message from the correspondent host over the secured control channel;
• and
• modifying security filters and transport control parameters maintained by the mobile host for the connection to use the new address of the mobile host.

A method for handling an address change of a mobile host communicating with a correspondent host over an existing connection, comprising the steps of:

• deprecating, by the mobile host, an old address of the mobile host;
• sending, by the mobile host, an address change message to the correspondent host over a secured control channel;
• returning, by the correspondent host upon receiving the address change message, an acknowledgment to the mobile host over the secured control channel;
• modifying, by the correspondent host, security filters and transport control parameters maintained by the correspondent host for the connection with the mobile host to use the new address of the mobile host;
• modifying, by the mobile host upon receiving the acknowledgment from the correspondent host, security filters and transport control parameters maintained by the mobile host for the connection to use the new address of the mobile host.