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1. 发明申请

US20080037423A1 Mapping Off-Network Traffic to an Administered Network 有权
标题翻译：将网络外流量映射到管理网络
公开(公告)号：US20080037423A1
公开(公告)日：2008-02-14
申请号：US11835130
申请日：2007-08-07
申请人： Pradeep Singh , Kent Hundley , David Manowitz , David James Boyd , Nishant Gupta , Vinod Jeyachandran
发明人： Pradeep Singh , Kent Hundley , David Manowitz , David James Boyd , Nishant Gupta , Vinod Jeyachandran
IPC分类号： G06F11/00
CPC分类号： H04L41/145 , H04L45/02 , H04L45/122 , H04L45/24 , H04L45/38
摘要： Traffic flows through an administered network from an off-network source and/or to an off-network destination are simulated and analyzed by selecting an ingress and/or egress node within the administered network, the ingress node capable of collecting traffic from an off-network source, and the egress node capable of routing traffic to an off-network destination. Traffic flow is mapped from the source or ingress node through the administered network to the egress node. The traffic flow may be simulated and analyzed. The ingress and/or egress nodes may be selected in a variety of ways.
摘要翻译：通过选择管理的网络内的入口和/或出口节点来模拟和分析从网络外的源和/或离网目的地流经管理的网络的流量，所述入口节点能够从离线网络中收集流量，网络源和能够将流量路由到离网目的地的出口节点。业务流从源或入节点通过被管理网络映射到出口节点。可以模拟和分析交通流量。可以以各种方式来选择入口节点和/或出口节点。

2. 发明授权

US07672238B2 Mapping off-network traffic to an administered network 有权
标题翻译：将网络外流量映射到管理网络
公开(公告)号：US07672238B2
公开(公告)日：2010-03-02
申请号：US11835130
申请日：2007-08-07
申请人： Pradeep Singh , Kent Hundley , David Manowitz , David James Boyd , Nishant Gupta , Vinod Jeyachandran
发明人： Pradeep Singh , Kent Hundley , David Manowitz , David James Boyd , Nishant Gupta , Vinod Jeyachandran
IPC分类号： H04L15/00
CPC分类号： H04L41/145 , H04L45/02 , H04L45/122 , H04L45/24 , H04L45/38
摘要： Traffic flows through an administered network from an off-network source and/or to an off-network destination are simulated and analyzed by selecting an ingress and/or egress node within the administered network, the ingress node capable of collecting traffic from an off-network source, and the egress node capable of routing traffic to an off-network destination. Traffic flow is mapped from the source or ingress node through the administered network to the egress node. The traffic flow may be simulated and analyzed. The ingress and/or egress nodes may be selected in a variety of ways.
摘要翻译：通过选择管理的网络内的入口和/或出口节点来模拟和分析从网络外的源和/或离网目的地流经管理的网络的流量，所述入口节点能够从离线网络中收集流量，网络源和能够将流量路由到离网目的地的出口节点。业务流从源或入节点通过被管理网络映射到出口节点。可以模拟和分析交通流量。可以以各种方式来选择入口节点和/或出口节点。

3. 发明授权

US09014012B2 Network path discovery and analysis 有权
标题翻译：网络路径发现与分析
公开(公告)号：US09014012B2
公开(公告)日：2015-04-21
申请号：US12900357
申请日：2010-10-07
申请人： Vinod Jeyachandran , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalli , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
发明人： Vinod Jeyachandran , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalli , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
IPC分类号： H04L1/00 , H04L12/24
CPC分类号： H04L41/12 , H04L41/0213
摘要： A network analysis system invokes an application specific, or source-destination specific, path discovery process. The application specific path discovery process determines the path(s) used by the application, collects performance data from the nodes along the path, and communicates this performance data to the network analysis system for subsequent performance analysis. The system may also maintain a database of prior network configurations to facilitate the identification of nodes that are off the path that may affect the current performance of the application. The system may also be specifically controlled so as to identify the path between any pair of specified nodes, and to optionally collect performance data associated with the path.
摘要翻译：网络分析系统调用特定于应用程序或源特定路径的路径发现过程。应用程序特定路径发现过程确定应用程序使用的路径，从沿着路径的节点收集性能数据，并将该性能数据传达到网络分析系统以进行后续性能分析。系统还可以维护先前网络配置的数据库，以便于识别可能影响应用的当前性能的路径之外的节点。还可以特别地控制系统，以便识别任何一对指定节点之间的路径，并且可选地收集与该路径相关联的性能数据。

4. 发明申请

US20080037532A1 Managing service levels on a shared network 审中-公开
标题翻译：管理共享网络上的服务级别
公开(公告)号：US20080037532A1
公开(公告)日：2008-02-14
申请号：US11507113
申请日：2006-08-19
申请人： Edward Sykes , Shobana Narayanaswamy , Alain Cohen , Pradeep Singh , Vinod Jeyachandran , Vivek Narayanan , Yevgeny Gurevich , Michael Brauwerman
发明人： Edward Sykes , Shobana Narayanaswamy , Alain Cohen , Pradeep Singh , Vinod Jeyachandran , Vivek Narayanan , Yevgeny Gurevich , Michael Brauwerman
IPC分类号： H04L12/56
CPC分类号： H04L65/80 , H04L41/0893 , H04L41/0896 , H04L41/147 , H04L41/22 , H04L41/5003 , H04L41/5009 , H04L41/5012 , H04L41/5019 , H04L41/5025 , H04L41/5087 , H04L41/509 , H04L43/0829 , H04L43/0852
摘要： Devices and methods for modeling and analysis of services provided over a common network include a processor configured to track services connected to the common network through nodes and links; run service models associated with the services under selected conditions, the selected conditions including failure and repair of one of the nodes or links; and propose corrective action and/or change of network resources of the common network to minimize impact of the failure. The processor may also run Network model(s). The models may be executed successively or simultaneously, and outputs of one model may be used as input to other models, including any necessary conversions for compatibility.
摘要翻译：用于对通过公共网络提供的服务进行建模和分析的设备和方法包括：处理器，被配置为通过节点和链路跟踪连接到公共网络的服务; 在选定条件下运行与服务相关联的服务模型，所选条件包括其中一个节点或链接的故障和修复; 并提出纠正措施和/或改变公共网络的网络资源，以尽量减少故障的影响。处理器还可以运行网络模型。模型可以连续或同时执行，一个模型的输出可以用作其他模型的输入，包括任何必要的兼容性转换。

5. 发明授权

US08811193B2 Network path discovery and analysis 有权
标题翻译：网络路径发现与分析
公开(公告)号：US08811193B2
公开(公告)日：2014-08-19
申请号：US12900348
申请日：2010-10-07
申请人： Vinod Jeyachandran , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalli , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
发明人： Vinod Jeyachandran , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalli , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
IPC分类号： H04L12/26
CPC分类号： H04L41/12 , H04L41/0213
摘要： A network analysis system invokes an application specific, or source-destination specific, path discovery process. The application specific path discovery process determines the path(s) used by the application, collects performance data from the nodes along the path, and communicates this performance data to the network analysis system for subsequent performance analysis. The system may also maintain a database of prior network configurations to facilitate the identification of nodes that are off the path that may affect the current performance of the application. The system may also be specifically controlled so as to identify the path between any pair of specified nodes, and to optionally collect performance data associated with the path.
摘要翻译：网络分析系统调用特定于应用程序或源特定路径的路径发现过程。应用程序特定路径发现过程确定应用程序使用的路径，从沿着路径的节点收集性能数据，并将该性能数据传达到网络分析系统以进行后续性能分析。系统还可以维护先前网络配置的数据库，以便于识别可能影响应用的当前性能的路径之外的节点。还可以特别地控制系统，以便识别任何一对指定节点之间的路径，并且可选地收集与该路径相关联的性能数据。

6. 发明申请

US20110085449A1 NETWORK PATH DISCOVERY AND ANALYSIS 有权
公开(公告)号：US20110085449A1
公开(公告)日：2011-04-14
申请号：US12900348
申请日：2010-10-07
申请人： Vinod JEYACHANDRAN , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalti , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
发明人： Vinod JEYACHANDRAN , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalti , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
IPC分类号： H04L12/26
CPC分类号： H04L41/12 , H04L41/0213
摘要： A network analysis system invokes an application specific, or source-destination specific, path discovery process. The application specific path discovery process determines the path(s) used by the application, collects performance data from the nodes along the path, and communicates this performance data to the network analysis system for subsequent performance analysis. The system may also maintain a database of prior network configurations to facilitate the identification of nodes that are off the path that may affect the current performance of the application. The system may also be specifically controlled so as to identify the path between any pair of specified nodes, and to optionally collect performance data associated with the path.

7. 发明申请

US20080043627A1 Network Simulation and Analysis using Operational Forwarding Data 有权
标题翻译：使用操作转发数据进行网络仿真和分析
公开(公告)号：US20080043627A1
公开(公告)日：2008-02-21
申请号：US11838417
申请日：2007-08-14
申请人： Pradeep Singh , Vinod Jeyachandran , Yu Lin
发明人： Pradeep Singh , Vinod Jeyachandran , Yu Lin
IPC分类号： G06F11/00
CPC分类号： H04L41/145 , H04L41/5003 , H04L41/5022 , H04L45/00 , H04L47/12 , H04L47/24 , H04W16/22 , H04W24/06 , H04W40/02
摘要： A hybrid approach to populating forwarding tables in a virtual network obtains forwarding data both by simulating routing protocol behavior in the virtual network to build forwarding tables, and by importing operational forwarding data from corresponding physical nodes in a physical network. The use of operational forwarding data improves the fidelity of the simulation by closely conforming forwarding behavior in the simulation to that which occurs in the physical network.
摘要翻译：在虚拟网络中填充转发表的混合方法通过模拟虚拟网络中的路由协议行为来构建转发表，以及通过从物理网络中的相应物理节点导入操作转发数据来获得转发数据。使用运行转发数据通过将仿真中的转发行为与物理网络中发生的转发行为紧密相符，提高了仿真的保真度。

8. 发明申请

US20070025328A1 Tracing routing differences 有权
标题翻译：跟踪路由差异
公开(公告)号：US20070025328A1
公开(公告)日：2007-02-01
申请号：US11494692
申请日：2006-07-27
申请人： Alain Cohen , Pradeep Singh , Vinod Jeyachandran , Nitin Gupta
发明人： Alain Cohen , Pradeep Singh , Vinod Jeyachandran , Nitin Gupta
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/28 , H04L45/02 , H04L45/54
摘要： A routing validation method and system identifies routers that are likely to be the cause of differences in forwarding tables associated with two versions of a network. Each destination sub-network prefix is processed to identify all the routers that exhibit differences in their forwarding table for this prefix. Each router exhibiting a difference is assessed to determine whether the difference may have been propagated to this router from another router. If the difference could not have been propagated from another router, this router is identified as a potential source of the observed difference. By eliminating routers that could have received the effects of the differences from another router, the task of identifying the root cause of the observed differences is substantially reduced in complexity.
摘要翻译：路由验证方法和系统识别可能是与两个网络版本相关联的转发表中的差异的原因的路由器。处理每个目标子网络前缀以标识在其前缀的转发表中表现出差异的所有路由器。评估每个出现差异的路由器，以确定差异是否可能已经从另一个路由器传播到该路由器。如果差异不能从另一个路由器传播，则该路由器被识别为观察到的差异的潜在来源。通过消除可能已经接收到来自另一个路由器的差异的影响的路由器，识别所观察到的差异的根本原因的任务在复杂性上显着降低。

9. 发明授权

US08824282B2 Network simulation and analysis using operational forwarding data 有权
标题翻译：使用运行转发数据进行网络仿真和分析
公开(公告)号：US08824282B2
公开(公告)日：2014-09-02
申请号：US11838417
申请日：2007-08-14
申请人： Pradeep Singh , Vinod Jeyachandran , Yu Lin
发明人： Pradeep Singh , Vinod Jeyachandran , Yu Lin
IPC分类号： H04L12/28 , H04W24/06 , H04W16/22 , H04W40/02
CPC分类号： H04L41/145 , H04L41/5003 , H04L41/5022 , H04L45/00 , H04L47/12 , H04L47/24 , H04W16/22 , H04W24/06 , H04W40/02
摘要： A hybrid approach to populating forwarding tables in a virtual network obtains forwarding data both by simulating routing protocol behavior in the virtual network to build forwarding tables, and by importing operational forwarding data from corresponding physical nodes in a physical network. The use of operational forwarding data improves the fidelity of the simulation by closely conforming forwarding behavior in the simulation to that which occurs in the physical network.
摘要翻译：在虚拟网络中填充转发表的混合方法通过模拟虚拟网络中的路由协议行为来构建转发表，以及通过从物理网络中的相应物理节点导入操作转发数据来获得转发数据。使用运行转发数据通过将仿真中的转发行为与物理网络中发生的转发行为紧密相符，提高了仿真的保真度。

10. 发明申请

US20110085450A1 NETWORK PATH DISCOVERY AND ANALYSIS 有权
标题翻译：网络路径发现与分析
公开(公告)号：US20110085450A1
公开(公告)日：2011-04-14
申请号：US12900357
申请日：2010-10-07
申请人： Vinod JEYACHANDRAN , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalli , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
发明人： Vinod JEYACHANDRAN , Pradeep Natarajan , James Mark Shaw , Raghavendra Uppalli , Pradeep Singh , Nitin Gupta , Jerrold Stiffler
IPC分类号： H04L12/26
CPC分类号： H04L41/12 , H04L41/0213
摘要： A network analysis system invokes an application specific, or source-destination specific, path discovery process. The application specific path discovery process determines the path(s) used by the application, collects performance data from the nodes along the path, and communicates this performance data to the network analysis system for subsequent performance analysis. The system may also maintain a database of prior network configurations to facilitate the identification of nodes that are off the path that may affect the current performance of the application. The system may also be specifically controlled so as to identify the path between any pair of specified nodes, and to optionally collect performance data associated with the path.
摘要翻译：网络分析系统调用特定于应用程序或源特定路径的路径发现过程。应用程序特定路径发现过程确定应用程序使用的路径，从沿着路径的节点收集性能数据，并将该性能数据传达到网络分析系统以进行后续性能分析。系统还可以维护先前网络配置的数据库，以便于识别可能影响应用的当前性能的路径之外的节点。还可以特别地控制系统，以便识别任何一对指定节点之间的路径，并且可选地收集与该路径相关联的性能数据。

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