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1.发明授权Systems and methods of multicast reconfiguration using cross-layer information 有权使用跨层信息进行组播重配置的系统和方法公开(公告)号：US09215166B2
公开(公告)日：2015-12-15
申请号：US13873989
申请日：2013-04-30
Applicant: AT&T Intellectual Property I, L.P.
Inventor： Kadangode Ramakrishnan , Robert Doverspike , Murat Yuksel
IPC: G01R31/08 , H04L12/703 , H04L12/701 , H04L12/761 , H04L12/705 , H04L12/707 , H04L29/14
Abstract: A method includes receiving, at a first node of a data network, a message indicating a failure of a communication link of the data network. The message is received at the first node from a second node of the data network. The method includes determining an alternate route from the first node to a data source of the data network. The alternate route includes a third node as an upstream node of the first node. The method includes determining whether the third node is a downstream node of the first node prior to sending a first join message from the first node to the third node, and sending the first join message from the first node to the third node conditioned on determining that the third node is not a downstream node of the first node.
Abstract translation: 一种方法包括在数据网络的第一节点处接收指示数据网络的通信链路故障的消息。 在第一节点从数据网络的第二节点接收消息。 该方法包括确定从第一节点到数据网络的数据源的备用路由。 备用路由包括作为第一节点的上游节点的第三节点。 该方法包括：在从第一节点向第三节点发送第一连接消息之前，确定第三节点是否是第一节点的下游节点，以及将第一节点从第一节点发送到第三节点， 第三节点不是第一节点的下游节点。
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公开(公告)号：US20130182561A1
公开(公告)日：2013-07-18
申请号：US13787978
申请日：2013-03-07
Applicant: AT&T Intellectual Property I, L.P.
Inventor： Dahai Xu , Robert Doverspike , David Johnson , Jennifer Rexford , Martin Suchara
IPC: H04L12/24
CPC classification number: H04L41/0654 , H04L45/24 , H04L45/28 , H04L47/125
Abstract: A resilient load balancing method uses fixed paths and a fixed path-splitting strategy to enable ingress routers to efficiently reroute traffic after a failure. An off-line management system computes a set of fixed paths and a set of splitting ratios for routing demand from ingress routers to egress routers, with sufficient capacity to meet demands under each failure scenario. That data is then used by the ingress router to reroute demand after observing a failure.
Abstract translation: 弹性负载平衡方法使用固定路径和固定路径分割策略，使入口路由器能够在故障后有效地重新路由流量。 离线管理系统计算一组固定路径和一组分割比，用于从入口路由器到出口路由器的路由需求，具有足够的容量以满足每个故障场景下的需求。 该数据然后由入口路由器在观察到故障后重新路由需求。
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3.发明申请Systems and Methods of Multicast Reconfiguration using Cross-Layer Information 有权使用跨层信息进行组播重构的系统和方法公开(公告)号：US20130235717A1
公开(公告)日：2013-09-12
申请号：US13873989
申请日：2013-04-30
Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.
Inventor： Kadangode Ramakrishnan , Robert Doverspike , Murat Yuksel
IPC: H04L12/56
Abstract: A method includes receiving, at a first node of a data network, a message indicating a failure of a communication link of the data network. The message is received at the first node from a second node of the data network. The method includes determining an alternate route from the first node to a data source of the data network. The alternate route includes a third node as an upstream node of the first node. The method includes determining whether the third node is a downstream node of the first node prior to sending a first join message from the first node to the third node, and sending the first join message from the first node to the third node conditioned on determining that the third node is not a downstream node of the first node.
Abstract translation: 一种方法包括在数据网络的第一节点处接收指示数据网络的通信链路故障的消息。 在第一节点从数据网络的第二节点接收消息。 该方法包括确定从第一节点到数据网络的数据源的备用路由。 备用路由包括作为第一节点的上游节点的第三节点。 该方法包括：在从第一节点向第三节点发送第一连接消息之前，确定第三节点是否是第一节点的下游节点，以及将第一节点从第一节点发送到第三节点， 第三节点不是第一节点的下游节点。
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公开(公告)号：US08611232B2
公开(公告)日：2013-12-17
申请号：US13787978
申请日：2013-03-07
Applicant: AT&T Intellectual Property I, L.P.
Inventor： Dahai Xu , Robert Doverspike , David Johnson , Jennifer Rexford , Martin Suchara
IPC: H04L12/26
CPC classification number: H04L41/0654 , H04L45/24 , H04L45/28 , H04L47/125
Abstract: A resilient load balancing method uses fixed paths and a fixed path-splitting strategy to enable ingress routers to efficiently reroute traffic after a failure. An off-line management system computes a set of fixed paths and a set of splitting ratios for routing demand from ingress routers to egress routers, with sufficient capacity to meet demands under each failure scenario. That data is then used by the ingress router to reroute demand after observing a failure.
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