| 摘要 |
An object is, when a mobile terminal performs a handover, to more quickly reset a path after the handover and reduce interrupt time (particularly interrupt time of a QoS path) of packet communication. For example, in a state in which a MN 101 has not acquired an address (NCoA) of a new connection destination (AR 109 ), the MN 101 requests that a QNE (proxy) 123 start a process of establishing a QoS path used when the MN 101 is connected to a new connection destination. The QNE (proxy) makes a resource reservation between the ONE (proxy) itself and a CN 121 . As a result, in an upper stream above a QNE (CRN 115 ), new path information (filter B) is correlated with path information (filter A) used when the MN is connected to an AR 105 . Until when the MN uses the actual new CoA and updates the QoS path after movement, the data packet is encapsulated by a proxy node and transmitted based on the path information (filter B).
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