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1.发明授权公开(公告)号：US08223666B2
公开(公告)日：2012-07-17
申请号：US11211109
申请日：2005-08-23
申请人： Neil Alasdair James Jarvis , Crispin Nicholas Dent-Young , Alan J. Cheilek , Matthew James Collins , Christian Cassar , Jesper Skriver
发明人： Neil Alasdair James Jarvis , Crispin Nicholas Dent-Young , Alan J. Cheilek , Matthew James Collins , Christian Cassar , Jesper Skriver
IPC分类号： H04L12/28
CPC分类号： H04L45/54 , H04L45/02 , H04L45/7457
摘要： A method of constructing a forwarding database for a data communications network comprising a plurality of network components and supporting at least first and second topologies having one or more common network components is described. The forwarding database includes a plurality of entries providing forwarding information for data destined for a related network component. The method comprises the step, performed at a constructing network component, of deriving topology dependent forwarding information for data destined for a network component. The method further comprises the step of including the topology dependent forwarding information at the related forwarding database entry.
摘要翻译： 描述了构建包括多个网络组件并且支持具有一个或多个公共网络组件的至少第一和第二拓扑的数据通信网络的转发数据库的方法。 转发数据库包括多个条目，提供用于相关网络组件的数据的转发信息。 该方法包括在构造网络组件处执行的针对网络组件的数据导出与拓扑相关的转发信息的步骤。 该方法还包括在相关转发数据库条目处包括拓扑相关转发信息的步骤。
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2.发明申请公开(公告)号：US20170149657A1
公开(公告)日：2017-05-25
申请号：US14952249
申请日：2015-11-25
IPC分类号： H04L12/725 , H04L12/713 , H04L12/741
CPC分类号： H04L45/306 , H04L45/586 , H04L45/745
摘要： In one embodiment, a provider edge packet switching device of a provider network is configured with different Internet Protocol (IP) forwarding information bases (FIBs) depending on whether the forwarding information base is associated with core-facing ingress packet traffic (e.g., packet traffic from the provider network) or customer-facing ingress packet traffic (e.g., packet traffic from a customer network). In the latter case of customer-facing ingress packet traffic, the customer-facing forwarding information base includes load balancing lookup results for load balancing traffic between a customer edge packet switching device and through the provider network. In the case of core-facing ingress packet traffic, the core-facing forwarding information base includes a lookup result for forwarding traffic to a customer edge packet switching device, and does not include the above-referenced load balancing lookup result information.
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3.发明授权公开(公告)号：US09729432B2
公开(公告)日：2017-08-08
申请号：US14952249
申请日：2015-11-25
IPC分类号： H04L12/28 , H04L12/725 , H04L12/741 , H04L12/713
CPC分类号： H04L45/306 , H04L45/586 , H04L45/745
摘要： In one embodiment, a provider edge packet switching device of a provider network is configured with different Internet Protocol (IP) forwarding information bases (FIBs) depending on whether the forwarding information base is associated with core-facing ingress packet traffic (e.g., packet traffic from the provider network) or customer-facing ingress packet traffic (e.g., packet traffic from a customer network). In the latter case of customer-facing ingress packet traffic, the customer-facing forwarding information base includes load balancing lookup results for load balancing traffic between a customer edge packet switching device and through the provider network. In the case of core-facing ingress packet traffic, the core-facing forwarding information base includes a lookup result for forwarding traffic to a customer edge packet switching device, and does not include the above-referenced load balancing lookup result information.
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