Invention Grant
US08170010B2 Multiple interface mobile node with simultaneous home- and foreign network connection 有权
多接口移动节点,具有同时的家庭和国外网络连接

  • Patent Title: Multiple interface mobile node with simultaneous home- and foreign network connection
  • Patent Title (中): 多接口移动节点,具有同时的家庭和国外网络连接
  • Application No.: US12067137
    Application Date: 2006-01-08
  • Publication No.: US08170010B2
    Publication Date: 2012-05-01
  • Inventor: Jens BachmannKilian Weniger
  • Applicant: Jens BachmannKilian Weniger
  • Applicant Address: JP Osaka
  • Assignee: Panasonic Corporation
  • Current Assignee: Panasonic Corporation
  • Current Assignee Address: JP Osaka
  • Agency: Dickinson Wright PLLC
  • Priority: EP05020354 20050919
  • International Application: PCT/EP2006/007611 WO 20060108
  • International Announcement: WO2007/039007 WO 20070412
  • Main IPC: H04L12/28
  • IPC: H04L12/28
Multiple interface mobile node with simultaneous home- and foreign network connection
Abstract:
The invention relates to a method for node management in a packet-switched network, wherein a first node acts as a proxy for a second node, both nodes having network-layer addresses and link-layer addresses, the network-layer addresses at the network layer and the link-layer addresses at the link layer being used for communication in the packet-switched network. The method comprises the following steps performed by the first node: The first node receives from the second node a request to receive and forward packets addressed to the second node's network-layer address, whereby the same network-layer address is associated with the first node and the second node, and the first node and the second node have distinct link-layer addresses. The first node advertises to nodes attached to the packet-switched network the first node's link-layer address as a destination address for the second node's network-layer address, while the second node does not advertise. The first node receives in response to advertising, packets destined to the second node's network-layer address having the first node's link-layer address; and forwards packets addressed to the second node's network-layer address to the second node using its link-layer address.
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