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1. 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。

2. 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。

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

US20120207161A1 NETWORK MULTI-PATH DISCOVERY 有权
标题翻译：网路多路径发现
公开(公告)号：US20120207161A1
公开(公告)日：2012-08-16
申请号：US13210351
申请日：2011-08-15
申请人： Raghavendra Uppalli , James Mark Shaw , Pradeep Natarajan , Alain Cohen
发明人： Raghavendra Uppalli , James Mark Shaw , Pradeep Natarajan , Alain Cohen
IPC分类号： H04L12/56
CPC分类号： H04L45/26 , H04L41/0213 , H04L41/12
摘要： Potential paths between a source and destination of a network are identified based on trace-route information, then filtered to eliminate paths or links that are not supported by ancillary information associated with the network so as to identify feasible/actual paths between the source and destination. The ancillary information includes, for example, routing tables and ARP tables. If a feasible path cannot be identified based on the ancillary information, supplemental information regarding nodes further along the potential path is assessed to provide a basis for inferring the nodes that may provide a feasible path. The determined feasible paths are displayed for review, and provided to serve as filters for subsequent path-analysis tools.
摘要翻译：基于跟踪路由信息来识别网络的源和目的地之间的潜在路径，然后被过滤以消除与网络相关联的辅助信息不支持的路径或链路，以便识别源和目的地之间的可行/实际路径。辅助信息包括例如路由表和ARP表。如果不能基于辅助信息识别可行路径，则评估关于沿潜在路径进一步的节点的补充信息，以提供推断可能提供可行路径的节点的基础。确定的可行路径被显示以供审查，并提供用作后续路径分析工具的过滤器。

5. 发明授权

US08724494B2 Network multi-path discovery 有权
标题翻译：网络多路径发现
公开(公告)号：US08724494B2
公开(公告)日：2014-05-13
申请号：US13210351
申请日：2011-08-15
申请人： Raghavendra Uppalli , James Mark Shaw , Pradeep Natarajan , Alain Cohen
发明人： Raghavendra Uppalli , James Mark Shaw , Pradeep Natarajan , Alain Cohen
IPC分类号： H04L12/26
CPC分类号： H04L45/26 , H04L41/0213 , H04L41/12
摘要： Potential paths between a source and destination of a network are identified based on trace-route information, then filtered to eliminate paths or links that are not supported by ancillary information associated with the network so as to identify feasible/actual paths between the source and destination. The ancillary information includes, for example, routing tables and ARP tables. If a feasible path cannot be identified based on the ancillary information, supplemental information regarding nodes further along the potential path is assessed to provide a basis for inferring the nodes that may provide a feasible path. The determined feasible paths are displayed for review, and provided to serve as filters for subsequent path-analysis tools.
摘要翻译：基于跟踪路由信息来识别网络的源和目的地之间的潜在路径，然后被过滤以消除与网络相关联的辅助信息不支持的路径或链路，以便识别源和目的地之间的可行/实际路径。辅助信息包括例如路由表和ARP表。如果不能基于辅助信息识别可行路径，则评估关于沿着潜在路径进一步的节点的补充信息，以提供推断可能提供可行路径的节点的基础。确定的可行路径被显示以供审查，并提供用作后续路径分析工具的过滤器。

6. 发明申请

US20130042020A1 Quick Network Path Discovery 审中-公开
标题翻译：快速网络路径发现
公开(公告)号：US20130042020A1
公开(公告)日：2013-02-14
申请号：US13568988
申请日：2012-08-07
申请人： Jerrold STIFFLER , Raghavendra UPPALLI , James Mark SHAW
发明人： Jerrold STIFFLER , Raghavendra UPPALLI , James Mark SHAW
IPC分类号： G06F15/173
CPC分类号： H04L45/12
摘要： Embodiments for quick network path discovery are provided. Embodiments may be used by a user (e.g., network administrator) in troubleshooting a performance/communication problem in the network. M an embodiment, path information, including Layer-3 and/or Layer-2 path information, can be requested between any pair of devices in the network and presented to the user. In an embodiment, path information is provided to the user in an iterative (or gradual) manner as soon as resolved. This allows the user quick access to path information, which both reduces troubleshooting time and enhances the user experience. In addition, in an embodiment, the path information may be provided without any live interaction with any device in the network.
摘要翻译：提供了快速网路发现的实施例。用户（例如，网络管理员）可以使用实施例来对网络中的性能/通信问题进行故障排除。在实施例中，可以在网络中的任何一对设备之间请求包括第3层和/或第2层路径信息的路径信息，并呈现给用户。在一个实施例中，一旦解决了路径信息就以迭代（或逐渐）的方式提供给用户。这允许用户快速访问路径信息，这两者都减少了故障排除时间并增强了用户体验。此外，在一个实施例中，可以提供路径信息而不与网络中的任何设备进行任何实时交互。

7. 发明申请

US20120300675A1 LINK INFERENCE IN LARGE NETWORKS BASED ON INCOMPLETE DATA 有权
标题翻译：基于不完整数据的大型网络中的链接干扰
公开(公告)号：US20120300675A1
公开(公告)日：2012-11-29
申请号：US13301688
申请日：2011-11-21
申请人： Raghavendra Uppalli , Rajesh BALASUBRAMANIAM , James Mark SHAW
发明人： Raghavendra Uppalli , Rajesh BALASUBRAMANIAM , James Mark SHAW
IPC分类号： H04L12/44
CPC分类号： H04L41/12 , H04L12/4625 , H04L12/66
摘要： A network is partitioned into a set of independent partitions, and the topology of each partition is determined, then merged to form a topology of the entire network. Preferably, the partitioning is hierarchical, wherein the network is partitioned to form individual VLAN partitions, and each of the VLAN partitions is further partitioned based on the nodes that are simply connected to each port of one or more selected root switches within the VLAN partition. Simple connections to each port are efficiently determined based on an aggregate address forwarding table associated with each node. Ancillary information, such as spanning tree or CDP data, may be used to facilitate efficient partitioning and/or to validate inferences that are made with incomplete information.
摘要翻译：将网络划分为一组独立分区，确定每个分区的拓扑，然后合并形成整个网络的拓扑。优选地，分区是分级的，其中网络被分割以形成单独的VLAN分区，并且基于简单地连接到VLAN分区内的一个或多个所选根交换机的每个端口的节点来进一步分割每个VLAN分区。基于与每个节点相关联的聚合地址转发表，有效地确定到每个端口的简单连接。诸如生成树或CDP数据的辅助信息可以用于促进有效分割和/或验证由不完整信息进行的推理。

8. 发明授权

US08670352B2 Link inference in large networks based on incomplete data 有权
标题翻译：基于不完整数据的大型网络中的链路推理
公开(公告)号：US08670352B2
公开(公告)日：2014-03-11
申请号：US13301688
申请日：2011-11-21
申请人： Raghavendra Uppalli , Rajesh Balasubramaniam , James Mark Shaw
发明人： Raghavendra Uppalli , Rajesh Balasubramaniam , James Mark Shaw
IPC分类号： H04L12/28
CPC分类号： H04L41/12 , H04L12/4625 , H04L12/66
摘要： A network is partitioned into a set of independent partitions, and the topology of each partition is determined, then merged to form a topology of the entire network. Preferably, the partitioning is hierarchical, wherein the network is partitioned to form individual VLAN partitions, and each of the VLAN partitions is further partitioned based on the nodes that are simply connected to each port of one or more selected root switches within the VLAN partition. Simple connections to each port are efficiently determined based on an aggregate address forwarding table associated with each node. Ancillary information, such as spanning tree or CDP data, may be used to facilitate efficient partitioning and/or to validate inferences that are made with incomplete information.
摘要翻译：将网络划分为一组独立分区，确定每个分区的拓扑，然后合并形成整个网络的拓扑。优选地，分区是分级的，其中网络被分割以形成单独的VLAN分区，并且基于简单地连接到VLAN分区内的一个或多个所选根交换机的每个端口的节点来进一步分割每个VLAN分区。基于与每个节点相关联的聚合地址转发表，有效地确定到每个端口的简单连接。诸如生成树或CDP数据的辅助信息可以用于促进有效分割和/或验证由不完整信息进行的推理。

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