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21. 发明授权

US07616584B2 Minimizing single points of failure in paths with mixed protection schemes 有权
标题翻译：最小化混合保护方案路径中的单点故障
公开(公告)号：US07616584B2
公开(公告)日：2009-11-10
申请号：US10986675
申请日：2004-11-12
申请人： Suresh Katukam , Pradeep Singh
发明人： Suresh Katukam , Pradeep Singh
IPC分类号： H04L12/26
CPC分类号： H04L12/43 , H04J2203/0053 , H04J2203/006 , H04L45/00 , H04L45/22 , H04L45/28
摘要： Methods and apparatus for substantially minimizing single points of failure for circuit paths in networks with mixed protection schemes are disclosed. According to one aspect of the present invention, a method for routing circuit paths between a source and a destination of a network includes identifying a first available circuit path between the source and the destination. The first available circuit path includes a first plurality of links which each have an associated protection type. The method also includes determining a number protection changes associated with the first plurality of links, and assigning a first metric to the first available path that is based on the number of protection changes. Finally, the method includes identifying a selected available path to be used to pass information between the source and the destination based at least in part on the first metric.
摘要翻译：公开了用于基本上最小化具有混合保护方案的网络中的电路路径的单点故障的方法和装置。根据本发明的一个方面，一种用于在网络的源和目的地之间路由电路路径的方法包括识别源与目的地之间的第一可用电路路径。第一可用电路路径包括第一多个链路，每个链路各具有相关联的保护类型。该方法还包括确定与第一多个链路相关联的数字保护改变，以及基于保护改变的数量为第一可用路径分配第一度量。最后，该方法包括至少部分地基于第一度量来识别用于在源和目的地之间传递信息的所选择的可用路径。

22. 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。

23. 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。

24. 发明申请

US20200226549A1 SOCIAL ALARMS AND REMINDERS 审中-公开
公开(公告)号：US20200226549A1
公开(公告)日：2020-07-16
申请号：US16246499
申请日：2019-01-13
申请人： Pradeep Singh
发明人： Pradeep Singh
IPC分类号： G06Q10/10 , G08B21/24
摘要： Embodiments of the present invention include a multi-user, multi-device alarm system, which, according to some embodiments, maintains the confirmation status of the alarm creator and participants, any communications between the alarm creator and participants, and user management functionality. Embodiments include systems and methods for configuring and executing different types of alarms, including personal alarms, group alarms, buddy alarms, and team alarms. The same or alternative embodiments may include cascading notifications to participants of an alarm until the alarm creator or one of the participants marks the alarm as done.

25. 发明授权

US09253045B2 Modeling and simulating flow propagation in dynamic bandwidth systems 有权
标题翻译：在动态带宽系统中建模和模拟流传播
公开(公告)号：US09253045B2
公开(公告)日：2016-02-02
申请号：US11941186
申请日：2007-11-16
申请人： Karthikeyan Chandrashekar , Alain J. Cohen , Paul M. Janes , David Boyd , Stefan Znam , Pradeep Singh
发明人： Karthikeyan Chandrashekar , Alain J. Cohen , Paul M. Janes , David Boyd , Stefan Znam , Pradeep Singh
IPC分类号： G06F17/50 , G06G7/62 , H04L12/24
CPC分类号： H04L41/145 , H04L41/0896 , H04L41/22
摘要： In a network that includes static bandwidth and dynamic bandwidth links, traffic flow at the OSI network layer is simulated at a traffic-flow level at interfaces to fixed bandwidth links, and simulated at a discrete-packet level at interfaces to dynamic bandwidth links. The resultant discrete-packet reception events at the receiving interface(s) of the dynamic bandwidth link are processed to determine the effective bandwidth/throughput of the link, as well as the allocation of this bandwidth among the individual flows through the link. The discrete-packet level receptions are used to reconstruct the parameters of the traffic flow at the network layer of the receiving interface, and this determined traffic flow is simulated accordingly at the next link, depending upon whether the next link is a static or dynamic bandwidth link.
摘要翻译：在包含静态带宽和动态带宽链路的网络中，在固定带宽链路的接口处，在业务流级别模拟OSI网络层的流量，并在离散分组级别模拟动态带宽链路的接口。在动态带宽链路的接收接口处的结果离散分组接收事件被处理以确定链路的有效带宽/吞吐量，以及通过链路在各个流中分配该带宽。离散分组级接收用于重构接收接口的网络层的业务流的参数，根据下一个链路是静态带宽还是动态带宽，在下一个链路上相应地模拟确定的流量链接。

26. 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。

27. 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。

28. 发明申请

US20070043752A1 Disparate network model synchronization 审中-公开
标题翻译：不同的网络模型同步
公开(公告)号：US20070043752A1
公开(公告)日：2007-02-22
申请号：US11501389
申请日：2006-08-09
申请人： George Zacharla , Graham Middleton , Amish Shah , Pradeep Singh , Shibu Vachery
发明人： George Zacharla , Graham Middleton , Amish Shah , Pradeep Singh , Shibu Vachery
IPC分类号： G06F7/00
CPC分类号： H04L41/085 , H04L67/1095 , H04L67/32
摘要： Changes to the source network model are captured in a database schema independent fashion, and an update manager broadcasts the changes to a registered client as and when the changes occur. Alternatively, the update manager can be queried, and in response, returns a summary of changes corresponding to criteria specified in the query. The client assesses the change summary to determine whether to request the detailed information corresponding to one or more of the reported changes in the change summary. A combination of both approaches may include, for example, regularly broadcasting a change summary and responding to specific subsequent requests. To facilitate an efficient scheme for identifying and filtering changes of interest, associative change records are provided, wherein the devices or components of the network that are associated with each change are identified. To facilitate selective time based retrieval, each change record includes a date-time stamp.
摘要翻译：对源网络模型的更改以独立于数据库模式的方式进行捕获，并且更新管理器会在更改发生时将更改广播到注册的客户端。或者，可以查询更新管理器，作为响应，返回与查询中指定的条件相对应的更改的摘要。客户评估变更摘要以确定是否请求与更改摘要中的一个或多个报告的更改相对应的详细信息。两种方法的组合可以包括例如定期地广播变更摘要并响应特定的后续请求。为了便于识别和过滤兴趣变化的有效方案，提供关联变更记录，其中识别与每个变化相关联的网络的设备或组件。为了方便选择性的基于时间的检索，每个更改记录包括日期时间戳。

29. 发明申请

US20060159212A1 Method and system for discovering circuits in a network 有权
标题翻译：用于发现网络中电路的方法和系统
公开(公告)号：US20060159212A1
公开(公告)日：2006-07-20
申请号：US11040257
申请日：2005-01-19
申请人： Pradeep Singh , Joseph Marchionni , David Friedman
发明人： Pradeep Singh , Joseph Marchionni , David Friedman
IPC分类号： H04L7/00
CPC分类号： H04L41/12 , H04J3/1611 , H04J2203/0058
摘要： A method and system for representing a low-order connection and a high-order connection as a single circuit are disclosed. The method includes creating a low-order listener object and a low/high listener object at each end point of the low-order connection and creating a high-order listener object at each end point of the high-order connection. The low/high listener objects are matched with the high-order listener objects to create a link and represent the connections as a single circuit.
摘要翻译：公开了一种用于将低阶连接和高阶连接表示为单个电路的方法和系统。该方法包括在低阶连接的每个端点处创建低阶监听器对象和低/高监听器对象，并在高阶连接的每个端点处创建高阶监听器对象。低/高侦听器对象与高阶侦听器对象匹配以创建链接并将连接表示为单个电路。

30. 发明申请

US20060104199A1 Minimizing single points of failure in paths with mixed protection schemes 有权
公开(公告)号：US20060104199A1
公开(公告)日：2006-05-18
申请号：US10986675
申请日：2004-11-12
申请人： Suresh Katukam , Pradeep Singh
发明人： Suresh Katukam , Pradeep Singh
IPC分类号： H04J1/16
CPC分类号： H04L12/43 , H04J2203/0053 , H04J2203/006 , H04L45/00 , H04L45/22 , H04L45/28
摘要： Methods and apparatus for substantially minimizing single points of failure for circuit paths in networks with mixed protection schemes are disclosed. According to one aspect of the present invention, a method for routing circuit paths between a source and a destination of a network includes identifying a first available circuit path between the source and the destination. The first available circuit path includes a first plurality of links which each have an associated protection type. The method also includes determining a number protection changes associated with the first plurality of links, and assigning a first metric to the first available path that is based on the number of protection changes. Finally, the method includes identifying a selected available path to be used to pass information between the source and the destination based at least in part on the first metric.

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