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1. 发明申请

US20120195319A1 SEPARATE ETHERNET FORWARDING AND CONTROL PLANE SYSTEMS AND METHODS WITH INTERIOR GATEWAY ROUTE REFLECTOR FOR A LINK STATE ROUTING SYSTEM 有权
标题翻译：单独的以太网前向和控制平面系统和方法与内部网关路由反射器的链路状态路由系统
公开(公告)号：US20120195319A1
公开(公告)日：2012-08-02
申请号：US13018944
申请日：2011-02-01
申请人： Nigel L. BRAGG , Ian H. Duncan
发明人： Nigel L. BRAGG , Ian H. Duncan
IPC分类号： H04L12/56
CPC分类号： H04L45/50 , H04L45/04
摘要： The present disclosure provides a separate Ethernet forwarding and control plane system, method, network, and architecture with a Link State Interior Gateway route reflector for the control plan system and a layer two network architecture for the forwarding system. The present invention optionally utilizes a cloud implementation for the Designated Router (DR) or designated peering node reducing peering requirements and distributing the functionality. Through the architecture of the present invention, the Provider router is obviated by the application of layer two switches and servers. Such an architecture provides improved scaling, performance, and cost reduction.
摘要翻译：本公开提供了具有用于控制计划系统的链路状态内部网关路由反射器和用于转发系统的第二层网络架构的单独的以太网转发和控制平面系统，方法，网络和架构。本发明可选地利用指定路由器（DR）或指定对等节点的云实现来减少对等要求并分发功能。通过本发明的架构，提供商路由器被第二层交换机和服务器的应用所消除。这样的架构提供了改进的缩放，性能和成本降低。

2. 发明申请

US20130215749A1 RESILIENT ATTACHMENT TO PROVIDER LINK STATE BRIDGING (PLSB) NETWORKS 有权
标题翻译：提供链路状态桥梁（PLSB）网络的强制性附件
公开(公告)号：US20130215749A1
公开(公告)日：2013-08-22
申请号：US13586620
申请日：2012-08-15
申请人： Liam CASEY , David ALLAN , Nigel L. BRAGG , Jerome CHIABAUT , Peter ASHWOOD SMITH
发明人： Liam CASEY , David ALLAN , Nigel L. BRAGG , Jerome CHIABAUT , Peter ASHWOOD SMITH
IPC分类号： H04L12/66
CPC分类号： H04L41/0654 , H04L12/66 , H04L45/02 , H04L45/22 , H04L45/245 , H04L45/48 , H04L45/74 , H04L47/41 , H04L2212/00 , Y02D50/30
摘要： A system for interfacing a client system in a first network domain with a Provider Link State Bridging (PLSB) domain includes at least two Backbone Edge Bridges (BEBs) of the PLSB domain. Each BEB is an end-point of a connection in the first network domain to the client system and an end-point of at least a unicast path in the PLSB domain. An inter-node trunk is provided in the PLSB domain for interconnecting the BEBs. A phantom node is defined in the PLSB domain and is notionally located on the inter-node trunk. Each of the BEBs is configured such that: an ingress packet received from the client system via the connection in the first network domain is forwarded through a path notionally rooted at the phantom node; and an egress packet destined for the client system is forwarded to the client system through the connection in the first network domain.
摘要翻译：用于将第一网络域中的客户端系统与提供商链路状态桥接（PLSB）域接口的系统包括至少两个PLSB域的骨干边缘桥（BEB）。每个BEB是第一网络域中的客户端系统的连接端点和PLSB域中至少一个单播路径的端点。在PLSB域中提供节点间中继以互连BEB。在PLSB域中定义了虚拟节点，并且概念上位于节点间中继线上。每个BEB被配置为使得经由第一网络域中的连接从客户端系统接收的入口分组通过一个有意识地根植于虚拟节点的路径转发; 并且去往客户端系统的出口分组通过第一网络域中的连接被转发到客户端系统。

3. 发明申请

US20090201937A1 RESILIENT PROVIDER LINK STATE BRIDGING (PLSB) VIRTUAL PRIVATE LAN SERVICE (VPLS) INTERWORKING 失效
标题翻译：友情链接国际桥梁（PLSB）虚拟私人网络服务（VPLS）互动
公开(公告)号：US20090201937A1
公开(公告)日：2009-08-13
申请号：US12334013
申请日：2008-12-12
申请人： Nigel L. BRAGG , David ALLAN , Peter ASHWOOD SMITH , Paul UNGEHAGEN
发明人： Nigel L. BRAGG , David ALLAN , Peter ASHWOOD SMITH , Paul UNGEHAGEN
IPC分类号： H04L12/56
CPC分类号： H04L45/12 , H04L12/4625 , H04L45/22 , H04L45/28 , H04L47/125
摘要： A method of peer interfacing a Link-State controlled network domain with an Ethernet Bridging controlled network domain. A pair of peer attachment points are provided between the Link-State controlled network domain and the Ethernet Bridging domain. The peer attachment points are respective endpoints of a set of one or more LAN segments defined within the Ethernet Bridging domain. The set of LAN segments are represented as a virtual node in the Link-State controlled network domain. The virtual node is represented in the Link-State controlled network domain as connected to each of the peer attachment points via a respective virtual link. The virtual links are configured such that frames to or from an address in the Link-State controlled network domain are forwarded over a tree passing through only one of the peer attachments points.
摘要翻译：链路状态控制网络对等接口与以太网桥接控制网络域的方法。在链路状态控制的网络域和以太网桥接域之间提供了一对对等连接点。对等连接点是在以太网桥接域内定义的一个或多个LAN段的集合的相应端点。 LAN段的集合在链路状态控制的网络域中表示为虚拟节点。在链路状态控制的网络域中，虚拟节点通过相应的虚拟链路连接到每个对等连接点。虚拟链路被配置为使得到链路状态控制的网络域中的或来自链路状态受控网络域中的帧的帧在仅通过对等附件点之一的树上转发。

4. 发明申请

US20100157844A1 RESILIENT ATTACHMENT TO PROVIDER LINK STATE BRIDGING (PLSB) NETWORKS 失效
标题翻译：提供链路状态桥梁（PLSB）网络的强制性附件
公开(公告)号：US20100157844A1
公开(公告)日：2010-06-24
申请号：US12340174
申请日：2008-12-19
申请人： Liam CASEY , David ALLAN , Nigel L. BRAGG , Jerome CHIABAUT , Peter ASHWOOD SMITH
发明人： Liam CASEY , David ALLAN , Nigel L. BRAGG , Jerome CHIABAUT , Peter ASHWOOD SMITH
IPC分类号： H04L12/28
CPC分类号： H04L41/0654 , H04L12/66 , H04L45/02 , H04L45/22 , H04L45/245 , H04L45/48 , H04L45/74 , H04L47/41 , H04L2212/00 , Y02D50/30
摘要： A method system for interfacing a client system in a first network domain with a Provider Link State Bridging (PLSB) network domain. At least two Backbone Edge Bridges (BEBs) of the PLSB domain 20 are provided. Each BEB is an end-point of a connection in the first network domain to the client system and an end-point of at least a unicast path defined within the PLSB domain 20. An inter-node trunk is provided in the PLSB domain 20 for interconnecting the at least two BEBs. A phantom node is defined in the PLSB domain 20. The phantom node has a unique address in the PLSB domain 20 and is notionally located on the inter-node trunk one hop from each of the BEBs. Each of the BEBs is configured such that: an ingress packet received from the client system via the connection in the first network domain is forwarded through a path notionally rooted at the phantom node; and an egress subscriber packet destined for the client system is forwarded to the client system through the connection in the first network domain.
摘要翻译：一种用于将第一网络域中的客户端系统与提供商链路状态桥接（PLSB）网络接口的方法系统。提供了PLSB域20的至少两个骨干边缘桥（BEB）。每个BEB是在第一网络域中到客户端系统的连接的端点以及在PLSB域20内定义的至少单播路径的端点。在PLSB域20中提供节点间中继，用于互连所述至少两个BEB。在PLSB域20中定义了虚拟节点。虚拟节点在PLSB域20中具有唯一的地址，并且从每个BEB中概念地位于节点间中继一跳。每个BEB被配置为使得经由第一网络域中的连接从客户端系统接收的入口分组通过一个有意识地根植于虚拟节点的路径转发; 并且去往客户端系统的出口订户分组通过第一网络域中的连接被转发到客户端系统。

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