MOBILITY MANAGEMENT SYSTEM, MOBILE NODE USED IN THE SYSTEM, MOBILITY MANAGEMENT METHOD, MOBILITY MANAGEMENT PROGRAM, AND MOBILITY MANAGEMENT NODE

摘要

WHEN A MOBILE NODE MN MOVES FROM AN ACCESS ROUTER AR3 TO ANOTHER ACCESSS ROUTER AR4, IT SENDS A MULTI-BINDING ON REQUEST TO A MOBILITY AGENT MA1 AND THEN MOVES (1). RECEIVING THE MULTI-BINDING ON REQUEST, THE MOBILITY AGENT MA1 VOLUNTARILY CONFIGURES PROSPECTIVE CoA'S (PROBABLE CoA'S). THE PROBABLE CoA'S ARE ADDED AS FORWARDING ADDRESSES WHILE AN M BIT IS SET ON IN AN REGISTER OF THE MOBILE NODE MN ON A BINDING CACHE (2). WHEN THE MOBILITY AGENT MA1 RECEIVES A CAPSULED PACKET ADDRESSED TO THE MOBILE NODE MN THEREAFTER, IT TUNNEL-FORWARDS THE PACKET TO CoA3, PROBABLE CoA2, AND PROBABLE CoA4 ACCORDING TO THE BINDING CACHE (3).