Mobile node and communication control method

摘要

A technology is disclosed for a mobile device with multiple interfaces to make use of its multiple interfaces capability with Mobile IP. According to this technology, MN (Mobile Node) 100 comprises a cellular interface to connect to the cellular network 112 and a Wireless-LAN interface to connect to the local network 122 and 132, and sends a Binding Update message to set the address of the Wireless-LAN interface to CoA (Care-of Address) to HA (Home Agent) at the cellular network or CN (Correspondent Node) 160. This Binding Update message includes a special label indication that the cellular interface is currently connected to the home network.

主权项

1. A home agent for transmitting packets, which are destined for a home address of a mobile node, to one of a plurality of network interfaces of the mobile node, the home agent comprising:
a receiving unit configured to receive a message from the mobile node, the message including information on a binding between said home address and a care-of address, and the message including a care-of address field, into which said home address included in a home address option of the message is inserted.