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    • 7. 发明申请
    • METHOD FOR UTILIZING THE SAME IP ADDRESS WHEN CHANGING FROM ONE SERVICE AREA INTO ANOTHER IN A MPLS BASED WIRELESS COMMUNICATION SYSTEM
    • 在基于MPLS的无线通信系统中将一个服务区域更改为另一个时使用该IP地址的方法
    • WO2005119978A1
    • 2005-12-15
    • PCT/EP2004/006072
    • 2004-06-04
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.VELEV, GenadiKAWAKAMI, Tetsuya
    • VELEV, GenadiKAWAKAMI, Tetsuya
    • H04L12/56
    • H04L45/00H04L45/50H04W36/0033H04W36/14
    • A method is provided for ensuring mobility to a mobile host in a wireless network with multi protocol label switching deployed in the packet switched core network. A Mobile Host has a packet switched connection via a bidirectional Multi-Protocol Label Switching data tunnel from a first ingress node of the core network serving the service area of a radio access network domain, where the Mobile Host is currently located, to an egress node of the core network. When the mobile host moves to a service area of a second radio access network domain, the node of attachment serving the second radio access network domain is informed about the Internet Protocol address of the egress node of the existing data tunnel together with respective LSP tunnel parameters and sets up a new bidirectional Multi-­Protocol Label Switching tunnel to the egress node specified by the Internet Protocol Address. During this handover, the Mobile Host does not change its own Internet Protocol address.
    • 提供了一种用于确保在分组交换核心网中部署的具有多协议标签交换的无线网络中的移动主机的移动性的方法。 移动主机通过双向多协议标签交换数据隧道从服务于移动主机当前所在的无线电接入网络域的服务区域的核心网络的第一入口节点到出口节点进行分组交换连接 的核心网络。 当移动主机移动到第二无线接入网域的服务区时,向第二无线接入网域服务的附着节点通知现有数据隧道的出口节点的因特网协议地址以及相应的LSP隧道参数 并为互联网协议地址指定的出口节点建立一个新的双向多协议标签交换隧道。 在该切换期间,移动主机不改变其自己的因特网协议地址。