| 摘要 |
A mobile router notifies a care-of address to a home agent apparatus, and generates a tunnel for local scope packet transmission between it and the home agent apparatus, and thereby, even if a terminal device moved onto a foreign link, communication becomes available in the same manner as on a home link. In addition, the home agent apparatus and the mobile router carry out transfer only to a necessary destination, by use of information of the terminal device which is accommodated in itself. Further, the home agent apparatus manages information of the terminal device which is accommodated in the mobile router, and thereby, it is possible to carry out packet communication only to the terminal device which corresponded to a destination, and it becomes possible to reduce useless transmission processing and reception processing in a network.
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