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公开(公告)号：US08547828B2
公开(公告)日：2013-10-01
申请号：US12849311
申请日：2010-08-03
IPC分类号： G06F11/00
CPC分类号： G06F11/2005 , H04L41/0604 , H04L45/22 , H04L45/245 , H04L45/28
摘要： A first network element is coupled to a second network element via a first path of a first point-to-point network, the first network element is coupled to a third network element via a second path of the first-point-to-point network, the second network element is coupled to a fourth network element via a first path of a second point-to-point network, and the third network element is coupled to the fourth network element via a second path of the second point-to-point network. The paths of the first point-to-point network are configured as paths of a first linear protected switching connection and the paths of the second point-to-point network are configured as paths of a second linear protected switching connection such that traffic communicated between the first network element and the fourth network element via the first paths may be switched over to the second paths.
摘要翻译： 第一网络元件经由第一点对点网络的第一路径耦合到第二网络元件，第一网络元件经由第一点对点网络的第二路径耦合到第三网络元件 ，所述第二网络单元经由第二点对点网络的第一路径耦合到第四网络单元，并且所述第三网络单元经由所述第二点对点网络的第二路径耦合到所述第四网络单元 网络。 第一点对点网络的路径被配置为第一线性受保护交换连接的路径，并且第二点对点网络的路径被配置为第二线性保护交换连接的路径，使得在 经由第一路径的第一网元和第四网元可以切换到第二路径。
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公开(公告)号：US08477598B2
公开(公告)日：2013-07-02
申请号：US12849269
申请日：2010-08-03
IPC分类号： H04L12/28
CPC分类号： H04L41/0663 , H04L49/00 , H04L49/552
摘要： According to one embodiment, a method may include communicatively coupling a first network element to a second network element via a first path of a point-to-point network. The method may also include communicatively coupling the first network element to a third network element via a second path of the point-to-point network. The method may further include configuring the first path and the second path as paths of a linear protected switching connection such that traffic associated with a service and communicated via one of the first path and the second path may be switched over to the other of the first path and the second path in response to an event.
摘要翻译： 根据一个实施例，一种方法可以包括经由点对点网络的第一路径将第一网络元件通信地耦合到第二网络元件。 该方法还可以包括经由点对点网络的第二路径将第一网络元件通信地耦合到第三网络元件。 该方法还可以包括将第一路径和第二路径配置为线路保护交换连接的路径，使得与服务相关联并且经由第一路径和第二路径之一传送的业务可以切换到第一路径和第二路径中的另一路径 路径和响应于事件的第二条路径。
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公开(公告)号：US07116665B2
公开(公告)日：2006-10-03
申请号：US10163073
申请日：2002-06-04
申请人： Rajesh Balay , Vijay Srinivasan , Sanjeev Tyagi , Pasula Srinivasa Reddy , Chandramouli Sargor , John Crawbuck
发明人： Rajesh Balay , Vijay Srinivasan , Sanjeev Tyagi , Pasula Srinivasa Reddy , Chandramouli Sargor , John Crawbuck
IPC分类号： H04L12/56
摘要： Methods and Systems are provided for a distributed Provider Edge (PE). A single Virtual Routing and Forwarding device (VRF) is associated with a single customer site. The VRF includes a single routing table (RIB) and a single forwarding table (FIB). The VRF also includes a plurality of Virtual Private Network (VPN) Protocol Instance Modules (VRP), where each VRP is associated with a different VPN from the customer site. Each VRP accesses the RIB directly and the FIB indirectly to acquiring addressing/routing information for a received data packet. Moreover, each VRP uses a data plane of the VRP to communicate the data packets to a PE backbone device. In turn, the PE backbone device uses the data plane to communicate with each of the VRPs, and the PE backbone device communicates with one or more tunnels.
摘要翻译： 为分布式提供商边缘（PE）提供方法和系统。 单个虚拟路由和转发设备（VRF）与单个客户站点相关联。 VRF包括单个路由表（RIB）和单个转发表（FIB）。 VRF还包括多个虚拟专用网（VPN）协议实例模块（Virtual Private Network，VPN）协议实例模块（VRP），其中每个VRP与客户站点的不同的VPN相关联。 每个VRP直接访问RIB和FIB间接地获取接收的数据分组的寻址/路由信息。 此外，每个VRP使用VRP的数据平面将数据包传送到PE骨干设备。 PE骨干设备依次使用数据平面与每个VRP通信，PE骨干设备与一个或多个隧道进行通信。
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公开(公告)号：US08553531B2
公开(公告)日：2013-10-08
申请号：US12849289
申请日：2010-08-03
IPC分类号： G06F11/00
CPC分类号： H04L45/28 , H04L43/0811 , H04L45/22 , H04L45/245
摘要： A method may include communicatively coupling a first network element to a second network element via a first link of a multi-chassis link aggregation group, communicatively coupling the first network element to a third network element via a second link of the multi-chassis link aggregation group, communicatively coupling the second network element to a fourth network element via a first path of a point-to-point network, and communicatively coupling the third network element to the fourth network element via a second path of the point-to-point network. The method may also include configuring the first path and the second path as paths of a linear protected switching connection such that traffic associated with a service and communicated between the first network element and the fourth network element via the first link and the first path may be switched over to the second link and the second path in response to an event.
摘要翻译： 一种方法可以包括经由多机架链路聚合组的第一链路将第一网络元件通信地耦合到第二网络元件，所述第一网络元件经由多机架链路聚合的第二链路将第一网络元件通信地耦合到第三网络元件 组，经由点对点网络的第一路径将第二网络元件通信地耦合到第四网络元件，并且经由点对点网络的第二路径将第三网络元件通信地耦合到第四网络元件 。 该方法还可以包括将第一路径和第二路径配置为线路保护交换连接的路径，使得与服务相关联的业务经由第一链路和第一路径在第一网络元件和第四网络元件之间传送的业务可以是 响应于事件切换到第二链路和第二路径。
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公开(公告)号：US08477599B2
公开(公告)日：2013-07-02
申请号：US12849329
申请日：2010-08-03
IPC分类号： H04L12/28
CPC分类号： H04L41/0663
摘要： According to a further embodiment, a method may include communicatively coupling a first network element to a second network element via a first path of a point-to-point network. The method may also include communicatively coupling the first network element to a third network element via a second path of the point-to-point network. The method may additionally include communicatively coupling the second network element and the third network element to a multipoint-to-multipoint network. The method may further include configuring the first path and the second path as paths of a linear protected switching connection such that traffic associated with a service and communicated between the first network element and the multipoint-to-multipoint network via one of the first path and the second path may be switched over to the other of the first path and the second path in response to an event.
摘要翻译： 根据另一实施例，一种方法可以包括经由点对点网络的第一路径将第一网络元件通信地耦合到第二网络元件。 该方法还可以包括经由点对点网络的第二路径将第一网络元件通信地耦合到第三网络元件。 该方法可以另外包括将第二网络元件和第三网络元件通信地耦合到多点对多点网络。 该方法还可以包括将第一路径和第二路径配置为线路保护交换连接的路径，使得与服务相关联的业务并且经由第一路径之一和第一网络元件与多点到多点网络之间的通信， 第二路径可以响应于事件切换到第一路径和第二路径中的另一路径。
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公开(公告)号：US20120033547A1
公开(公告)日：2012-02-09
申请号：US12849311
申请日：2010-08-03
IPC分类号： G06F11/00
CPC分类号： G06F11/2005 , H04L41/0604 , H04L45/22 , H04L45/245 , H04L45/28
摘要： According to an additional embodiment, a method may include communicatively coupling a first network element to a second network element via a first path of a first point-to-point network. The method may also include communicatively coupling the first network element to a third network element via a second path of the first-point-to-point network. The method may additionally include communicatively coupling the second network element to a fourth network element via a first path of a second point-to-point network. The method may further include communicatively coupling the third network element to the fourth network element via a second path of the second point-to-point network. The method may also include configuring the first path and the second path of the first point-to-point network as paths of a first linear protected switching connection and the first path and the second path of the second point-to-point network as paths of a second linear protected switching connection such that traffic associated with a service and communicated between the first network element and the fourth network element via the first path of the first point-to-point network and the first path of the second point-to-point network may be switched over to the second path of the first point-to-point network and the second path of the second point-to-point network in response to an event.
摘要翻译： 根据另外的实施例，一种方法可以包括经由第一点对点网络的第一路径将第一网络元件通信地耦合到第二网络元件。 该方法还可以包括经由第一点到点网络的第二路径将第一网络元件通信地耦合到第三网络元件。 该方法还可以包括经由第二点对点网络的第一路径将第二网络元件通信地耦合到第四网络元件。 该方法还可以包括经由第二点对点网络的第二路径将第三网络元件通信地耦合到第四网络元件。 该方法还可以包括将第一点对点网络的第一路径和第二路径配置为第一线性保护交换连接的路径，并且将第二点对点网络的第一路径和第二路径配置为路径 第二线性保护交换连接，使得与服务相关联的流量经由第一点对点网络的第一路径和第二点对点网络的第一路径在第一网络元件和第四网络元件之间传送， 响应于事件，点网络可以切换到第一点对点网络的第二路径和第二点对点网络的第二路径。
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公开(公告)号：US20120033543A1
公开(公告)日：2012-02-09
申请号：US12849329
申请日：2010-08-03
CPC分类号： H04L41/0663
摘要： According to a further embodiment, a method may include communicatively coupling a first network element to a second network element via a first path of a point-to-point network. The method may also include communicatively coupling the first network element to a third network element via a second path of the point-to-point network. The method may additionally include communicatively coupling the second network element and the third network element to a multipoint-to-multipoint network. The method may further include configuring the first path and the second path as paths of a linear protected switching connection such that traffic associated with a service and communicated between the first network element and the multipoint-to-multipoint network via one of the first path and the second path may be switched over to the other of the first path and the second path in response to an event.
摘要翻译： 根据另一实施例，一种方法可以包括经由点对点网络的第一路径将第一网络元件通信地耦合到第二网络元件。 该方法还可以包括经由点对点网络的第二路径将第一网络元件通信地耦合到第三网络元件。 该方法可以另外包括将第二网络元件和第三网络元件通信地耦合到多点对多点网络。 该方法还可以包括将第一路径和第二路径配置为线路保护交换连接的路径，使得与服务相关联的业务并且经由第一路径之一和第一网络元件与多点到多点网络之间的通信， 第二路径可以响应于事件切换到第一路径和第二路径中的另一路径。
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公开(公告)号：US20120099596A1
公开(公告)日：2012-04-26
申请号：US13338213
申请日：2011-12-27
申请人： Rajesh Balay , Vijay Srinivasan , Sanjeev Tyagi , Pasula Srinivasa Reddy , Chandramouli Sargor , John Crawbuck
发明人： Rajesh Balay , Vijay Srinivasan , Sanjeev Tyagi , Pasula Srinivasa Reddy , Chandramouli Sargor , John Crawbuck
IPC分类号： H04L12/56
摘要： Methods and systems for a distributed provider edge are provided. According to one embodiment, a one-to-one association is formed between a Virtual Routing and Forwarding device (VRF) of a provider edge device (PE) of a service provider and a customer site. The VRF includes a routing information base (RIB) and a forwarding information base (FIB). A network interface module is instantiated within the VRF for each network interface employed, such as an intranet, extranet, Virtual Private Network (VPN) and/or Internet interface. A first packet is received at the PE via a first network interface. A first network interface module associated with the first network interface accesses the RIB to acquire routing information for the first packet. A second packet is received via a second network interface. A second network interface module associated with the second network interface accesses the RIB to acquire routing information for the second packet.
摘要翻译： 提供了分布式提供商边缘的方法和系统。 根据一个实施例，在服务提供商的提供商边缘设备（PE）和客户站点的虚拟路由和转发设备（VRF）之间形成一对一关联。 VRF包括路由信息库（RIB）和转发信息库（FIB）。 对于所采用的每个网络接口，例如内部网，外部网，虚拟专用网（VPN）和/或因特网接口，在VRF内实例化网络接口模块。 在PE处经由第一网络接口接收第一分组。 与第一网络接口相关联的第一网络接口模块访问RIB以获取第一分组的路由信息。 经由第二网络接口接收第二个分组。 与第二网络接口相关联的第二网络接口模块访问RIB以获取第二分组的路由信息。
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公开(公告)号：US20120033549A1
公开(公告)日：2012-02-09
申请号：US12849269
申请日：2010-08-03
CPC分类号： H04L41/0663 , H04L49/00 , H04L49/552
摘要： According to one embodiment, a method may include communicatively coupling a first network element to a second network element via a first path of a point-to-point network. The method may also include communicatively coupling the first network element to a third network element via a second path of the point-to-point network. The method may further include configuring the first path and the second path as paths of a linear protected switching connection such that traffic associated with a service and communicated via one of the first path and the second path may be switched over to the other of the first path and the second path in response to an event.
摘要翻译： 根据一个实施例，一种方法可以包括经由点对点网络的第一路径将第一网络元件通信地耦合到第二网络元件。 该方法还可以包括经由点对点网络的第二路径将第一网络元件通信地耦合到第三网络元件。 该方法还可以包括将第一路径和第二路径配置为线路保护交换连接的路径，使得与服务相关联并且经由第一路径和第二路径之一传送的业务可以切换到第一路径和第二路径中的另一路径 路径和响应于事件的第二条路径。
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公开(公告)号：US20120033546A1
公开(公告)日：2012-02-09
申请号：US12849289
申请日：2010-08-03
CPC分类号： H04L45/28 , H04L43/0811 , H04L45/22 , H04L45/245
摘要： According to another embodiment, a method may include communicatively coupling a first network element to a second network element via a first link of a multi-chassis link aggregation group. The method may also include communicatively coupling the first network element to a third network element via a second link of the multi-chassis link aggregation group. The method may additionally include communicatively coupling the second network element to a fourth network element via a first path of a point-to-point network. The method may further include communicatively coupling the third network element to the fourth network element via a second path of the point-to-point network. The method may also include configuring the first path and the second path as paths of a linear protected switching connection such that traffic associated with a service and communicated between the first network element and the fourth network element via the first link and the first path may be switched over to the second link and the second path in response to an event.
摘要翻译： 根据另一实施例，一种方法可以包括经由多机架链路聚合组的第一链路将第一网络元件通信地耦合到第二网络元件。 该方法还可以包括经由多机架链路聚合组的第二链路将第一网络元件通信地耦合到第三网络元件。 该方法可以另外包括经由点对点网络的第一路径将第二网络元件通信地耦合到第四网络元件。 该方法还可以包括经由点到点网络的第二路径将第三网络元件通信地耦合到第四网络元件。 该方法还可以包括将第一路径和第二路径配置为线性保护交换连接的路径，使得与服务相关联并且经由第一链路和第一路径在第一网络元件和第四网络元件之间传送的业务可以是 响应于事件切换到第二链路和第二路径。
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