公开(公告)号：US20070058627A1

公开(公告)日：2007-03-15

申请号：US11216319

申请日：2005-08-30

申请人： Donald Smith ,  Kuo-Hui Liu ,  Chin Yuan ,  Michael Sinwald

发明人： Donald Smith ,  Kuo-Hui Liu ,  Chin Yuan ,  Michael Sinwald

IPC分类号： H04L12/56

CPC分类号： H04L45/16 ,  H04L12/1868 ,  H04L45/02 ,  H04L45/28 ,  H04L49/201 ,  H04L67/1002 ,  H04L67/101 ,  H04L67/1034 ,  H04L69/40

摘要： A method to perform dynamic source selection within an IP multicast network is performed at a designated router of an IP multicast network. At the designated router within the IP multicast network, a first source of a multicast group is selected to be forwarded to a receiving host or multiple receiving hosts. The first source is monitored to automatically detect when the first source exhibits a predetermined characteristic. At the designated router, responsive to the detection that the first source exhibits the predetermined characteristic, a second source of the multicast group is automatically selected to be forwarded to the receiving host or hosts. The method also supports automatic selection of all normally operating sources and forwarding of the traffic of such sources or channels to the receiving hosts or hosts.

摘要翻译： 在IP组播网络的指定路由器处执行在IP组播网络内执行动态源选择的方法。 在IP组播网络内的指定路由器上，选择组播组的第一个源转发给接收主机或多个接收主机。 监视第一个源以自动检测何时第一个源呈现预定特性。 在指定路由器处，响应于检测到第一源呈现预定特性，多播组的第二个源被自动选择转发到接收主机或主机。 该方法还支持自动选择所有正常运行的源，并将这些源或通道的流量转发到接收主机或主机。

公开(公告)号：US20120300618A1

公开(公告)日：2012-11-29

申请号：US13540150

申请日：2012-07-02

申请人： Chin Yuan ,  Kuo-Hui Liu ,  Christopher Chase

发明人： Chin Yuan ,  Kuo-Hui Liu ,  Christopher Chase

IPC分类号： H04L12/437

CPC分类号： H04L41/0663 ,  H04J3/14 ,  H04L41/509

摘要： A method includes sending a data packet, or a copy of the data packet, from a first video distribution hub to a second video distribution hub. The first video distribution hub is coupled to a first link and to a second link. The method also includes, in response to the second link being intact, sending the data packet, or the copy of the data packet, from the first video distribution hub to the second video distribution hub via a primary network path that includes the second link and excludes the first link. The method also includes, in response to a failure of the second link, sending the data packet, or the copy of the data packet, from the first video distribution hub to the second video distribution hub via a backup network path that includes the first link and that does not include the second link.

摘要翻译： 一种方法包括将数据分组或数据分组的副本从第一视频分发集线器发送到第二视频分发集线器。 第一视频分配集线器耦合到第一链路和第二链路。 所述方法还包括：响应于所述第二链路是完整的，经由包括所述第二链路的主网络路径将所述数据分组或所述数据分组的副本从所述第一视频分配集线器发送到所述第二视频分配集线器，以及 排除第一个链接。 所述方法还包括响应于所述第二链路的故障，经由包括所述第一链路的备份网络路径将所述数据分组或所述数据分组的副本从所述第一视频分配中心发送到所述第二视频分发中心 而不包括第二个链接。

公开(公告)号：US08248921B2

公开(公告)日：2012-08-21

申请号：US11592706

申请日：2006-11-03

申请人： Chin Yuan ,  Kuo-Hui Liu ,  Christopher Chase

发明人： Chin Yuan ,  Kuo-Hui Liu ,  Christopher Chase

IPC分类号： G01R31/08

CPC分类号： H04L41/0663 ,  H04J3/14 ,  H04L41/509

摘要： A method is disclosed that includes receiving a data packet at a first video distribution hub via a first link. The method also includes determining whether a second link has failed, wherein the first video distribution hub communicates with a second video distribution hub via a primary network path that includes the second link. When the second link has failed, a backup network path to send the data packet, or a copy thereof, to the second video distribution hub, is determined based on data stored at the first video distribution hub. The method also includes sending the data packet, or the copy thereof, to the second video distribution hub via the backup network path, wherein the backup network path does not include the second link.

摘要翻译： 公开了一种包括经由第一链路在第一视频分发集线器处接收数据分组的方法。 所述方法还包括确定第二链路是否已经失败，其中所述第一视频分发集线器经由包括所述第二链路的主网络路径与第二视频分发集线器进行通信。 当第二链路发生故障时，基于存储在第一视频分发集线器中的数据确定将数据分组或其副本发送到第二视频分配集线器的备用网络路径。 该方法还包括经由备用网络路径将数据分组或其副本发送到第二视频分发中心，其中备用网络路径不包括第二链路。

公开(公告)号：US08553535B2

公开(公告)日：2013-10-08

申请号：US13540150

申请日：2012-07-02

申请人： Chin Yuan ,  Kuo-Hui Liu ,  Christopher Chase

发明人： Chin Yuan ,  Kuo-Hui Liu ,  Christopher Chase

IPC分类号： G01R31/08

CPC分类号： H04L41/0663 ,  H04J3/14 ,  H04L41/509

摘要： A method includes sending a data packet, or a copy of the data packet, from a first video distribution hub to a second video distribution hub. The first video distribution hub is coupled to a first link and to a second link. The method also includes, in response to the second link being intact, sending the data packet, or the copy of the data packet, from the first video distribution hub to the second video distribution hub via a primary network path that includes the second link and excludes the first link. The method also includes, in response to a failure of the second link, sending the data packet, or the copy of the data packet, from the first video distribution hub to the second video distribution hub via a backup network path that includes the first link and that does not include the second link.

摘要翻译： 一种方法包括将数据分组或数据分组的副本从第一视频分发集线器发送到第二视频分发集线器。 第一视频分配集线器耦合到第一链路和第二链路。 所述方法还包括：响应于所述第二链路是完整的，经由包括所述第二链路的主网络路径将所述数据分组或所述数据分组的副本从所述第一视频分配集线器发送到所述第二视频分配集线器，以及 排除第一个链接。 所述方法还包括：响应于所述第二链路的故障，经由包括所述第一链路的备份网络路径将所述数据分组或所述数据分组的副本从所述第一视频分配集线器发送到所述第二视频分配中心 而不包括第二个链接。

公开(公告)号：US08099483B2

公开(公告)日：2012-01-17

申请号：US11216319

申请日：2005-08-30

申请人： Donald M. Smith ,  Kuo-Hui Liu ,  Chin Yuan ,  Michael P. Sinwald

发明人： Donald M. Smith ,  Kuo-Hui Liu ,  Chin Yuan ,  Michael P. Sinwald

IPC分类号： G06F15/173 ,  G06F15/16 ,  G06F15/177 ,  H04L12/56 ,  H04L12/28

CPC分类号： H04L45/16 ,  H04L12/1868 ,  H04L45/02 ,  H04L45/28 ,  H04L49/201 ,  H04L67/1002 ,  H04L67/101 ,  H04L67/1034 ,  H04L69/40

摘要： A method to perform dynamic source selection within an IP multicast network is performed at a designated router of an IP multicast network. At the designated router within the IP multicast network, a first source of a multicast group is selected to be forwarded to a receiving host or multiple receiving hosts. The first source is monitored to automatically detect when the first source exhibits a predetermined characteristic. At the designated router, responsive to the detection that the first source exhibits the predetermined characteristic, a second source of the multicast group is automatically selected to be forwarded to the receiving host or hosts. The method also supports automatic selection of all normally operating sources and forwarding of the traffic of such sources or channels to the receiving hosts or hosts.

摘要翻译： 在IP组播网络的指定路由器处执行在IP组播网络内执行动态源选择的方法。 在IP组播网络内的指定路由器上，选择组播组的第一个源转发给接收主机或多个接收主机。 监视第一个源以自动检测何时第一个源呈现预定的特性。 在指定路由器处，响应于检测到第一源呈现预定特性，多播组的第二个源被自动选择转发给接收主机或主机。 该方法还支持自动选择所有正常运行的源，并将这些源或通道的流量转发到接收主机或主机。

公开(公告)号：US20100067385A1

公开(公告)日：2010-03-18

申请号：US12624893

申请日：2009-11-24

申请人： Kuo-Hui Liu ,  Cheng-Hong Hu ,  Chin Yuan ,  Chou Lan Pok

发明人： Kuo-Hui Liu ,  Cheng-Hong Hu ,  Chin Yuan ,  Chou Lan Pok

IPC分类号： H04L12/56 ,  H04L12/26

CPC分类号： H04L12/4633 ,  H04L29/12839 ,  H04L61/6022 ,  H04L2212/00

摘要： A method of encapsulating data packets for use in a distributed computer network is disclosed. The method includes providing a data packet for transmission over the distributed computer network, the data packet selected from one of a customer data packet and an OAM data packet; and encapsulating the data packet with a medium access control outer packet. The disclosed data packet handling method includes receiving a data packet from a customer facing data port, the customer facing data port within a network node of a computer network; performing medium access control (MAC) learning for the received packet; determining whether the data port is a MAC-in-MAC port; performing a packet mapping to a destination address based on a service provider destination address; and encapsulating the received data packet with a header associated with the service provider.

摘要翻译： 公开了一种封装用于分布式计算机网络中的数据分组的方法。 该方法包括：提供用于在分布式计算机网络上传输的数据分组，从客户数据分组和OAM数据分组之一中选择的数据分组; 并用介质访问控制外包封装数据包。 所公开的数据分组处理方法包括从面向客户的数据端口接收来自计算机网络的网络节点内的面向客户的数据端口的数据分组; 对接收到的分组执行媒体访问控制（MAC）学习; 确定数据端口是否是MAC-in-MAC端口; 基于服务提供商目的地地址执行到目的地地址的分组映射; 并且用与服务提供商相关联的头部封装所接收的数据分组。

公开(公告)号：US07468986B2

公开(公告)日：2008-12-23

申请号：US10298266

申请日：2002-11-15

申请人： Chin Yuan ,  Kuo-Hui Liu

发明人： Chin Yuan ,  Kuo-Hui Liu

IPC分类号： H04L12/66 ,  H04L12/28

CPC分类号： H04L63/0272 ,  H04L12/4641 ,  H04L45/586 ,  H04L45/742

摘要： The present invention relates generally to a data communication system, a virtual interworking trunk interface within a device to form a universal virtual private network, and methods of operating a virtual private network. In a particular embodiment, the data communication system includes a first portion of a virtual private network, a second portion of the virtual private network, a virtual switch instance associated with the first portion of the virtual private network, a virtual router instance associated with the second portion of the virtual private network, and a virtual interworking trunk interface coupled to the virtual switch instance and to the virtual router instance.

摘要翻译： 本发明一般涉及数据通信系统，设备内的虚拟互通中继接口，以形成通用虚拟专用网络，以及操作虚拟专用网络的方法。 在特定实施例中，数据通信系统包括虚拟专用网络的第一部分，虚拟专用网络的第二部分，与虚拟专用网络的第一部分相关联的虚拟交换机实例，与该虚拟专用网络相关联的虚拟路由器实例 虚拟专用网络的第二部分以及耦合到虚拟交换机实例和虚拟路由器实例的虚拟互通中继接口。

公开(公告)号：US07643424B2

公开(公告)日：2010-01-05

申请号：US10394482

申请日：2003-03-22

申请人： Kuo-Hui Liu ,  Cheng-Hong Hu ,  Chin Yuan ,  Chou Lan Pok

发明人： Kuo-Hui Liu ,  Cheng-Hong Hu ,  Chin Yuan ,  Chou Lan Pok

IPC分类号： H04J3/14

CPC分类号： H04L12/4633 ,  H04L29/12839 ,  H04L61/6022 ,  H04L2212/00

摘要： A method of encapsulating data packets for use in a distributed computer network is disclosed. The method includes providing a data packet for transmission over the distributed computer network, the data packet selected from one of a customer data packet and an OAM data packet; and encapsulating the data packet with a medium access control outer packet. The disclosed data packet handling method includes receiving a data packet from a customer facing data port, the customer facing data port within a network node of a computer network; performing medium access control (MAC) learning for the received packet; determining whether the data port is a MAC-in-MAC port; performing a packet mapping to a destination address based on a service provider destination address; and encapsulating the received data packet with a header associated with the service provider.

摘要翻译： 公开了一种封装用于分布式计算机网络中的数据分组的方法。 该方法包括：提供用于在分布式计算机网络上传输的数据分组，从客户数据分组和OAM数据分组之一中选择的数据分组; 并用介质访问控制外包封装数据包。 所公开的数据分组处理方法包括从面向客户的数据端口接收来自计算机网络的网络节点内的面向客户的数据端口的数据分组; 对接收到的分组执行媒体访问控制（MAC）学习; 确定数据端口是否是MAC-in-MAC端口; 基于服务提供商目的地地址执行到目的地地址的分组映射; 并且用与服务提供商相关联的头部封装所接收的数据分组。

公开(公告)号：US07570648B2

公开(公告)日：2009-08-04

申请号：US10357280

申请日：2003-02-03

申请人： Cheng-Hong Hu ,  Chin Yuan ,  Kuo-Hui Liu

发明人： Cheng-Hong Hu ,  Chin Yuan ,  Kuo-Hui Liu

IPC分类号： H04L12/28

CPC分类号： H04L45/50 ,  H04L45/16 ,  H04L2212/00

摘要： The present disclosure is generally directed to systems and methods associated with data communications. In a particular embodiment, a method for use of multi-protocol labels switching (MPLS) encapsulation with control word communicated over a distributed computer network is disclosed. The method includes providing MPLS virtual circuit label with the control word associated with a data packet selected from one of a customer data packet and an OAM data packet, and communicating the MPLS packet with control word and the data packet over the distributed computer network.In another embodiment, a method of handling a data packet within a computer network is disclosed. The data packet is either an unknown unicast, multicast, or broadcast packet. The method includes encapsulating the packet into a multi-packet label switching label and a control word, the control word having a source site identity and a multi-cast identity; and distributing the packet to a plurality of sites within the computer network.

摘要翻译： 本公开通常涉及与数据通信相关联的系统和方法。 在特定实施例中，公开了一种使用通过分布式计算机网络传送的控制字的多协议标签交换（MPLS）封装的方法。 该方法包括向MPLS虚拟电路标签提供与从客户数据分组和OAM数据分组中选择的数据分组相关联的控制字，并且通过分布式计算机网络将MPLS分组与控制字和数据分组进行通信。 在另一个实施例中，公开了一种在计算机网络内处理数据分组的方法。 数据包是未知单播，组播或广播数据包。 该方法包括将分组封装到多分组标签交换标签和控制字中，该控制字具有源站点标识和多播标识; 并将分组分发到计算机网络内的多个站点。

公开(公告)号：US08804509B2

公开(公告)日：2014-08-12

申请号：US13268032

申请日：2011-10-07

申请人： Cheng-Hong Hu ,  Donald Smith ,  Kuo-Hui Liu

发明人： Cheng-Hong Hu ,  Donald Smith ,  Kuo-Hui Liu

IPC分类号： H04L12/56

CPC分类号： H04L47/30 ,  H04L47/125 ,  H04L65/4084 ,  H04L65/80 ,  H04L69/14 ,  Y02D50/30

摘要： A particular method includes measuring port usage data related to each of a plurality of physical ports associated with a link aggregation group. A bandwidth requirement of a requested media stream is estimated and added to a traffic load at each of the plurality of physical ports to produce an estimated total traffic load of each of the plurality of physical ports. When the requested media stream includes non-video data, the requested media stream is sent to a destination device via a physical port that selected in accordance with a static bandwidth allocation. When the requested media stream includes video data, the requested media stream is sent to the destination device via a least loaded physical port that is dynamically identified based on the estimated traffic loads of each of the plurality of physical ports.

摘要翻译： 特定方法包括测量与链路聚合组相关联的多个物理端口中的每一个相关的端口使用数据。 估计所请求的媒体流的带宽要求并将其相加到多个物理端口中的每个物理端口处的业务负载，以产生多个物理端口中的每一个的估计总业务负载。 当所请求的媒体流包括非视频数据时，所请求的媒体流通过根据静态带宽分配选择的物理端口被发送到目的地设备。 当所请求的媒体流包括视频数据时，所请求的媒体流通过基于所估计的多个物理端口中的每一个的业务负载来动态识别的最小负载的物理端口被发送到目的地设备。