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1. 发明申请

US20160218968A1 METHOD AND APPARATUS FOR OPTIMAL, SCALE INDEPENDENT FAILOVER REDUNDANCY INFRASTRUCTURE 有权
标题翻译：方法和设备优化，规模独立的冗余基础设施
公开(公告)号：US20160218968A1
公开(公告)日：2016-07-28
申请号：US14618132
申请日：2015-02-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Pramodh D'Souza , Antoni Przygienda , Zoltan Toth , Lars Ernstrom
IPC分类号： H04L12/703 , H04L29/08 , H04L12/707 , H04L29/06
CPC分类号： H04L45/28 , H04L41/0659 , H04L41/0668 , H04L45/22 , H04L45/245 , H04L67/28 , H04L69/22
摘要： Exemplary methods performed by a first network device (ND) include generating first and second prefix entries associating incoming Internet Protocol (IP) traffic to first and second data structures (DSs), respectively. Generating the first DS includes generating a first proxy including forwarding information causing incoming IP traffic to be forwarded to a second ND, and generating a second proxy referencing a third DS. Generating the second DS includes generating a first proxy including forwarding information causing incoming IP traffic to be forwarded to the second ND, and generating a second proxy referencing the third DS. The methods include generating the third DS including forwarding information causing the incoming IP traffic to be forwarded to a third ND, the third DS further including first state information indicating whether the forwarding information included in the first proxies of the first and second DSs should be used for forwarding the incoming IP traffic.
摘要翻译：由第一网络设备（ND）执行的示例性方法包括分别产生将传入的因特网协议（IP）流量与第一和第二数据结构（DS）相关联的第一和第二前缀条目。生成第一DS包括生成包括转发信息的第一代理，所述转发信息导致进入的IP业务被转发到第二ND，以及生成参考第三DS的第二代理。生成第二DS包括生成包括转发信息的第一代理，所述转发信息导致传入的IP流量被转发到第二ND，以及生成参考第三DS的第二代理。所述方法包括生成包括转发信息的第三DS，所述转发信息导致所述进入的IP业务被转发到第三ND，所述第三DS还包括指示是否应当使用包括在所述第一和第二DS的所述第一代理中的转发信息的第一状态信息用于转发传入的IP流量。

2. 发明申请

US20160182362A1 INTER-DOMAIN FAST REROUTE METHODS AND NETWORK DEVICES 有权
标题翻译：域内快速REROUTE方法和网络设备
公开(公告)号：US20160182362A1
公开(公告)日：2016-06-23
申请号：US15055405
申请日：2016-02-26
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Lars Ernstrom , Pramodh D'Souza , Zoltan Toth
IPC分类号： H04L12/707 , H04L12/715 , H04L12/24 , H04L12/931
CPC分类号： H04L45/22 , H04L41/0668 , H04L45/04 , H04L45/28 , H04L45/50 , H04L49/65
摘要： A network device, is to be deployed in a network between a first network domain and a second network domain, and is to be configured for fast reroute. The network device includes a first traffic forwarder control module, corresponding to the first network domain, which is to determine a primary next hop in the first network domain. The control plane includes a second traffic forwarder control module, corresponding to the second network domain, which is to determine a backup next hop in the second network domain. The backup next hop is to be used as a fast reroute for the primary next hop in response to a failure associated with the primary next hop. The control plane includes a controller module, in communication with the first and second traffic forwarder control modules, which is to configure a forwarding structure of the forwarding plane with the primary and backup next hops.
摘要翻译：网络设备将部署在第一网络域和第二网络域之间的网络中，并被配置为快速重新路由。网络设备包括与第一网络域相对应的第一业务转发器控制模块，其用于确定第一网络域中的主要下一跳。控制平面包括对应于第二网络域的第二业务转发器控制模块，其用于确定第二网络域中的备份下一跳。备份下一跳将被用作主下一跳的快速重路由，以响应与主要下一跳相关联的故障。控制平面包括与第一和第二流量转发器控制模块通信的控制器模块，其用于配置转发平面与主要和备用下一跳的转发结构。

3. 发明授权

US09954769B2 Inter-domain fast reroute methods and network devices 有权
公开(公告)号：US09954769B2
公开(公告)日：2018-04-24
申请号：US15055405
申请日：2016-02-26
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Lars Ernstrom , Pramodh D'Souza , Zoltan Toth
IPC分类号： H04J1/16 , H04L12/707 , H04L12/24 , H04L12/715 , H04L12/703 , H04L12/723 , H04L12/931
CPC分类号： H04L45/22 , H04L41/0668 , H04L45/04 , H04L45/28 , H04L45/50 , H04L49/65
摘要： A network device, is to be deployed in a network between a first network domain and a second network domain, and is to be configured for fast reroute. The network device includes a first traffic forwarder control module, corresponding to the first network domain, which is to determine a primary next hop in the first network domain. The control plane includes a second traffic forwarder control module, corresponding to the second network domain, which is to determine a backup next hop in the second network domain. The backup next hop is to be used as a fast reroute for the primary next hop in response to a failure associated with the primary next hop. The control plane includes a controller module, in communication with the first and second traffic forwarder control modules, which is to configure a forwarding structure of the forwarding plane with the primary and backup next hops.

4. 发明授权

US09787577B2 Method and apparatus for optimal, scale independent failover redundancy infrastructure 有权
公开(公告)号：US09787577B2
公开(公告)日：2017-10-10
申请号：US14618132
申请日：2015-02-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Pramodh D'Souza , Antoni Przygienda , Zoltan Toth , Lars Ernstrom
IPC分类号： H04L12/703 , H04L29/06 , H04L29/08 , H04L12/707 , H04L12/709 , H04L12/24
CPC分类号： H04L45/28 , H04L41/0659 , H04L41/0668 , H04L45/22 , H04L45/245 , H04L67/28 , H04L69/22
摘要： Exemplary methods performed by a first network device (ND) include generating first and second prefix entries associating incoming Internet Protocol (IP) traffic to first and second data structures (DSs), respectively. Generating the first DS includes generating a first proxy including forwarding information causing incoming IP traffic to be forwarded to a second ND, and generating a second proxy referencing a third DS. Generating the second DS includes generating a first proxy including forwarding information causing incoming IP traffic to be forwarded to the second ND, and generating a second proxy referencing the third DS. The methods include generating the third DS including forwarding information causing the incoming IP traffic to be forwarded to a third ND, the third DS further including first state information indicating whether the forwarding information included in the first proxies of the first and second DSs should be used for forwarding the incoming IP traffic.

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