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1. 发明授权

US09281951B2 Any-to any multicasting in a tunnel based virtual private network 有权
标题翻译：任何 - 在基于隧道的虚拟专用网络中的任何多播
公开(公告)号：US09281951B2
公开(公告)日：2016-03-08
申请号：US12315454
申请日：2008-12-03
申请人： Rajiv Asati , Mohamed Khalid , Manikchand R. Bafna
发明人： Rajiv Asati , Mohamed Khalid , Manikchand R. Bafna
IPC分类号： H04L12/18 , H04L12/761
CPC分类号： H04L12/18 , H04L45/16 , H04L2212/00
摘要： Systems, methods, and other embodiments associated with any-to-any multicasting in a tunnel based virtual private network (VPN) are described. One example method includes calculating a resolved address for an unknown reverse path forwarding (RPF) neighbor in an any-to-any multicasting route. The resolved address is calculated using next hop resolution protocol (NHRP) resolution. The address is to be resolved based on control plane traffic. The NHRP address resolution is not to affect unicast routing. The example method may also include establishing the any-to-any multicasting route. Since the multicasting route is any-to-any (e.g., spoke-to-spoke), the multicasting route is not required to include a hub in the logical hub-and-spoke network.
摘要翻译：描述与基于隧道的虚拟专用网（VPN）中的任何多播相关联的系统，方法和其他实施例。一种示例性方法包括计算任何到任何多播路由中的未知反向路径转发（RPF）邻居的解析地址。使用下一跳解析协议（NHRP）分辨率计算解析的地址。该地址将根据控制平面流量进行解决。 NHRP地址解析不影响单播路由。示例方法还可以包括建立任何到任何多播路由。由于多播路由是任何到任意的（例如，辐对话），所以组播路由不需要将集线器包括在逻辑集线器辐射网络中。

2. 发明申请

US20100135294A1 Any-to any multicasting in a tunnel based virtual private network 有权
标题翻译：任何 - 在基于隧道的虚拟专用网络中的任何多播
公开(公告)号：US20100135294A1
公开(公告)日：2010-06-03
申请号：US12315454
申请日：2008-12-03
申请人： Rajiv Asati , Mohamed Khalid , Manikchand R. Bafna
发明人： Rajiv Asati , Mohamed Khalid , Manikchand R. Bafna
IPC分类号： H04L12/56
CPC分类号： H04L12/18 , H04L45/16 , H04L2212/00
摘要： Systems, methods, and other embodiments associated with any-to-any multicasting in a tunnel based virtual private network (VPN) are described. One example method includes calculating a resolved address for an unknown reverse path forwarding (RPF) neighbor in an any-to-any multicasting route. The resolved address is calculated using next hop resolution protocol (NHRP) resolution. The address is to be resolved based on control plane traffic. The NHRP address resolution is not to affect unicast routing. The example method may also include establishing the any-to-any multicasting route. Since the multicasting route is any-to-any (e.g., spoke-to-spoke), the multicasting route is not required to include a hub in the logical hub-and-spoke network.
摘要翻译：描述与基于隧道的虚拟专用网（VPN）中的任何多播相关联的系统，方法和其他实施例。一种示例性方法包括计算任何到任何多播路由中的未知反向路径转发（RPF）邻居的解析地址。使用下一跳解析协议（NHRP）分辨率计算解析的地址。该地址将根据控制平面流量进行解决。 NHRP地址解析不影响单播路由。示例方法还可以包括建立任何到任何多播路由。由于多播路由是任何到任意的（例如，辐对话），所以组播路由不需要将集线器包括在逻辑集线器辐射网络中。

3. 发明授权

US08499095B1 Methods and apparatus for providing shortcut switching for a virtual private network 有权
标题翻译：为虚拟专用网提供快捷切换的方法和装置
公开(公告)号：US08499095B1
公开(公告)日：2013-07-30
申请号：US11440551
申请日：2006-05-25
申请人： Michael L. Sullenberger , Manikchand R. Bafna , Frederic R. P. Detienne
发明人： Michael L. Sullenberger , Manikchand R. Bafna , Frederic R. P. Detienne
IPC分类号： G06F15/173 , G06F15/16 , H04L12/28 , H04B7/212
CPC分类号： H04L12/4641 , H04L12/4633 , H04L45/04
摘要： A system receives a request at a hub. The request is received from a first spoke regarding a packet to be transmitted from the first spoke to a second spoke. The system identifies, at the time of the request, a preferred route from the first spoke to the second spoke. The system sends a redirect message to the first spoke, the redirect message directing the packet along the preferred route. The system transmits, from a first spoke to a hub, a first request associated with a packet. In response, the system receives, at the first spoke, a redirect message from the hub. The redirect message identifies a preferred route by which the first spoke transmits the packet to a second spoke. The system creates, at the first spoke, a second request containing a destination address of the second spoke, and transmits the second request along the preferred route.
摘要翻译：系统在集线器处接收请求。从关于要从第一辐条传送到第二辐条的包的第一个辐条接收到该请求。该系统在请求时识别从第一轮辐到第二轮辐的优选路线。系统向第一个辐条发送重定向消息，重定向消息沿着优选路由指示数据包。系统从第一分支发送与分组相关联的第一请求。作为响应，系统在第一个讲话处接收到来自集线器的重定向消息。重定向消息标识首选路由的首选路由，将该分组发送到第二个辐条。该系统在第一个辐条处创建包含第二个辐条的目标地址的第二个请求，并沿着首选路由发送第二个请求。

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