Mobile Communication Control Method, Mobile Communication System, Routing Device, Management Device, and Program

摘要

When a mobile terminal ( 10 a) moves from an access network ( 21 a) to another access network ( 21 c), the unique information on destination of the mobile terminal ( 10 a) in an access router ( 20 c) is transferred as alternate information from an access router ( 20 a) to a home agent ( 30 a). The access router ( 20 c) transfers the unique information on destination of the mobile terminal ( 10 a) in the access router ( 20 a) as original information to the home agent ( 30 a) and at the same time transfers the unique information on destination of the mobile terminal ( 10 a) in the access router ( 20 c) as alternate information to the home agent ( 30 a). Using these data, the home agent ( 30 a) builds security association for the mobile terminal ( 10 a) between the access router ( 20 c) and the home agent ( 30 a).