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    • 2. 发明授权
    • Method and apparatus for IP multicasting
    • IP组播方法和装置
    • US07701937B2
    • 2010-04-20
    • US11249637
    • 2005-10-13
    • Vidya NarayananChristophe JanneteauGeorge Popovich
    • Vidya NarayananChristophe JanneteauGeorge Popovich
    • H04L12/28
    • H04L12/185H04L12/189H04W8/04
    • A method and apparatus for multicast communication, wherein the apparatus is configured for performing the method that includes the steps of: communicating (210) a request to a server to join a first multicast group, the first multicast group associated with a first multicast address; determining (220) a second multicast group corresponding to the first multicast group, the second multicast group having a second multicast address; joining (230) the second multicast group to create a corresponding multicast tunnel; receiving (240) a first multicast packet from the server using the multicast tunnel, the first multicast packet comprising the first and second multicast addresses; removing (250) the second multicast address from the first multicast packet; and forwarding (260) the first multicast packet comprising the first multicast address to an entity.
    • 一种用于多播通信的方法和装置,其中所述装置被配置为执行所述方法,所述方法包括以下步骤:向服务器通信(210)请求以加入第一多播组,所述第一多播组与第一多播地址相关联; 确定(220)对应于所述第一多播组的第二多播组,所述第二多播组具有第二多播地址; 加入(230)第二组播组以创建相应的组播隧道; 使用所述多播隧道从所述服务器接收(240)第一多播分组,所述第一多播分组包括所述第一和第二多播地址; 从所述第一多播分组中移除(250)所述第二组播地址; 以及将包括所述第一组播地址的所述第一多播分组转发(260)到实体。
    • 3. 发明授权
    • Method for optimized local routing between mobile nodes
    • 在移动节点之间优化本地路由的方法
    • US07206859B2
    • 2007-04-17
    • US10782601
    • 2004-02-18
    • Vidya NarayananTyrone D. BekiaresMatthew C. KellerGeorge Popovich
    • Vidya NarayananTyrone D. BekiaresMatthew C. KellerGeorge Popovich
    • G06F15/16G06F15/173
    • H04W8/082H04W8/06H04W80/04
    • In a system (100) that includes at least one mobility server (40, 50), at least one edge mobility agent (60) and a plurality of mobile nodes (20, 30), a method for local routing between two mobile nodes that includes the steps of: receiving a first care-of address for a first mobile node; detecting an edge mobility agent having knowledge of the first care-of address; determining, based upon at least one condition, that the edge mobility agent can perform local routing of at least one datagram for the first mobile node; and instructing the edge mobility agent to perform local routing of at least one datagram between the first mobile node and a second mobile node that has a second care-of address that is known to the edge mobility agent.
    • 在包括至少一个移动性服务器(40,50),至少一个边缘移动性代理(60)和多个移动节点(20,30)的系统(100)中,一种用于两个移动节点之间的本地路由的方法, 包括以下步骤:接收第一移动节点的第一转交地址; 检测具有第一转交地址知识的边缘移动代理; 基于至少一个条件确定所述边缘移动性代理可以对所述第一移动节点执行至少一个数据报的本地路由; 以及指示所述边缘移动代理在所述第一移动节点和所述边缘移动代理已知的具有第二转交地址的第二移动节点之间执行至少一个数据报的本地路由。
    • 4. 发明授权
    • Method for improving the reliability of low latency handoffs
    • 提高低延迟切换可靠性的方法
    • US07035640B2
    • 2006-04-25
    • US10438402
    • 2003-05-15
    • Vidya NarayananGeorge Popovich
    • Vidya NarayananGeorge Popovich
    • H04Q7/20
    • H04W60/00H04W36/0011H04W36/0016H04W80/04
    • A first device (104) receives a first message from a second device (100). Upon receipt of the first message, the first device transmits a registration request to the second device for pre-registration with a third device (102). If the second device does not receive the registration request from the first device within a predetermined time period, the second device re-transmits the first message to the first device if a communication link with the first device is still operational. If the first device receives the first message again from the second device prior to attaching to the third device, the first device re-transmits the registration request to the second device. If registration with the third device is not pending when the first device attaches to the third device, the third device transmits a second message to the first device to solicit a registration request from the first device.
    • 第一设备(104)从第二设备(100)接收第一消息。 在接收到第一消息时,第一设备向第二设备发送注册请求,以便与第三设备(102)预注册。 如果第二设备在预定时间段内没有从第一设备接收到注册请求,则如果与第一设备的通信链路仍然可操作,则第二设备将第一消息重新发送到第一设备。 如果第一设备在连接到第三设备之前从第二设备再次接收到第一消息,则第一设备将注册请求重新发送到第二设备。 如果在第一设备附加到第三设备时与第三设备的注册不等待,则第三设备向第一设备发送第二消息以从第一设备请求注册请求。
    • 7. 发明授权
    • Regional registration for a mobile IP enabled system
    • 移动IP启用系统的区域注册
    • US07069338B2
    • 2006-06-27
    • US10802159
    • 2004-03-17
    • George PopovichVidya Narayanan
    • George PopovichVidya Narayanan
    • G06F15/16
    • H04W8/06H04W8/085H04W80/04
    • A registration method in a system having a hierarchical structure (100) that includes a mobile node (20), at least one FA (42), at least one GFA (40) and an HA (30). The method includes the steps of: intercepting (210) a registration request (300) from a mobile node to its HA, the registration request including a first care of address (360) for the mobile node; determining (220) whether there is an existing entry in a visitor list for the mobile node; if the entry exists, updating (230) the entry; if no entry exists, creating an entry (250) in the list for the mobile node, adding (260) a second care of address as an extension to the registration request, and sending (270) the registration request with the address extension to the HA; and sending (240) a registration reply to the mobile node.
    • 具有包括移​​动节点(20),至少一个FA(42),至少一个GFA(40)和HA(30))的分层结构(100)的系统中的注册方法。 该方法包括以下步骤:从移动节点拦截(210)注册请求(300)到其HA,所述注册请求包括用于移动节点的第一注意地址(360); 确定(220)移动节点的访问者列表中是否存在现有条目; 如果条目存在,更新(230)条目; 如果没有条目,则在移动节点的列表中创建条目(250),将第二地址作为扩展添加(260)到注册请求,并且将具有地址扩展名的注册请求(270)发送(270)到 哈; 并向移动节点发送(240)注册回复。