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公开(公告)号：US07075896B1
公开(公告)日：2006-07-11
申请号：US09526830
申请日：2000-03-16
IPC分类号： H04L12/28
CPC分类号： H04L41/12 , H04L43/0811 , H04L2012/445
摘要： A method for the automatic layout of switched networks of switched network topologies. In representative embodiments, a topological map of a network is automatically obtained by combining various segments into one of three segment types, a bus segment, a serial segment, and a star segment. In the creation of the topological map of the network, the methods can be used to update the network map as changes occur.
摘要翻译： 一种用于交换网络拓扑的交换网络的自动布局的方法。 在代表性实施例中，网络的拓扑图通过将各种段组合成三种段类型，总线段，串行段和星形段之一来自动获得。 在创建网络的拓扑图时，可以使用这些方法在发生更改时更新网络映射。
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2.发明授权
公开(公告)号：US5787252A
公开(公告)日：1998-07-28
申请号：US551499
申请日：1995-11-01
IPC分类号： G06F13/00 , H04L12/24 , G06F15/177
CPC分类号： H04L41/0213 , H04L41/12 , H04L41/22
摘要： Discovery/layout software configures a general purpose computer system to act as a management station using an industry standard SNMP protocol. The discovery/layout software has a discovery mechanism and a layout mechanism which, in combination, permit the discovery/layout software to provide various submaps to a display for illustrating network topology, which includes devices and device interconnections of a network. The submaps correspond to various hierarchical views of a network. Significantly, one or more filtering systems are provided in the discovery/layout software for filtering objects to be displayed within the submaps. The filtering systems reduce clutter in the submaps, reduce memory usage and associated expense, and reduce interprocess communication (context switching) to achieve higher performance.
摘要翻译： 发现/布局软件将通用计算机系统配置为使用行业标准SNMP协议的管理站。 发现/布局软件具有发现机制和布局机制，其组合允许发现/布局软件向显示器提供各种子图，以示出网络拓扑，其包括网络的设备和设备互连。 子图对应于网络的各种分层视图。 重要的是，在发现/布局软件中提供一个或多个过滤系统，用于过滤要在子地图中显示的对象。 过滤系统减少子图中的杂乱，减少内存使用和相关费用，并减少进程间通信（上下文切换）以实现更高的性能。
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3.发明授权Status polling failover of devices in a distributed network management hierarchy 有权分布式网络管理层次结构中设备的状态轮询故障转移公开(公告)号：US06961768B2
公开(公告)日：2005-11-01
申请号：US09905307
申请日：2001-07-13
IPC分类号： H04L12/24 , G06F15/173
CPC分类号： H04L43/0817 , H04L41/0663
摘要： Automatic failover methodology provides a mechanism whereby a central control unit, such as a management station, will automatically takeover interface status polling of objects of a collection station that is temporarily unreachable. This methodology is applicable to any distributed computing environment, such as a data communications network, in which it is desirable to have a central control unit assume the interface status polling operation of a temporarily inaccessible collection station. The collection station may be inaccessible due to the network on which the central control unit and the collection station reside being down or due to the collection station being down for maintenance.
摘要翻译： 自动故障切换方法提供了一种机制，其中诸如管理站之类的中央控制单元将自动接管临时不可达的收集站对象的接口状态轮询。 该方法适用于诸如数据通信网络的任何分布式计算环境，其中期望使中央控制单元承担临时不可访问的收集站的接口状态轮询操作。 由于中央控制单元和收集站所在的网络关闭或由于收集站停机以进行维护，收集站可能无法访问。
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公开(公告)号：US07039696B1
公开(公告)日：2006-05-02
申请号：US09703962
申请日：2000-10-31
申请人： Eric A. Pulsipher , Joseph R. Hunt
发明人： Eric A. Pulsipher , Joseph R. Hunt
IPC分类号： G06F15/173
CPC分类号： H04L41/12 , H04Q3/0062
摘要： A software method is disclosed for processing data pertaining to connections in a communications network, such as a computer network. The data may be used to map the topology of the network to aid network management. The system creates data structures referred to as tuples to store the relationships between network nodes. A connection calculator receives tuple information from a tuple manager and creates additional tuples based on this data. The connection calculator identifies singly-heard host links, from which it then builds tuples to represent the network infrastructure. To build the infrastructure, the method creates tuples for the singly-heard host links, and then creates tuples for conn-to-conn links based on existing tuples and on hints derived from singly-heard host links tuples, which hints are maintained as extra host links tuples. The method then attempts to disprove invalid conn-to-conn links tuples and attempts to resolve conflicts between inconsistent tuples. The method creates tuples for nodes involving shared media connections. If the connection calculator cannot create a tuple because there is insufficient information about a connection, it requests additional information from that node. After the tuples are created, the connection calculator consolidates those binary tuples involving shared media connections into n-ary tuples to represent the shared media connection. The refined tuples may then be used to identify changes in the network topology.
摘要翻译： 公开了一种软件方法，用于处理关于诸如计算机网络的通信网络中的连接的数据。 该数据可用于映射网络的拓扑以辅助网络管理。 该系统创建称为元组的数据结构，以存储网络节点之间的关系。 连接计算器从元组管理器接收元组信息，并基于该数据创建额外的元组。 连接计算器识别单独听到的主机链接，然后从其建立元组以表示网络基础设施。 为了构建基础设施，该方法为单独听到的主机链接创建元组，然后根据现有元组创建连接到conn链接的元组，并提供从单个主机链接元组导出的提示，这些提示被维护为额外的 主机链接元组。 该方法然后尝试反驳无效的conn-to-conn链接元组，并尝试解决不一致的元组之间的冲突。 该方法为涉及共享媒体连接的节点创建元组。 如果连接计算器无法创建元组，因为没有足够的有关连接的信息，则会从该节点请求其他信息。 在创建元组之后，连接计算器将涉及共享媒体连接的那些二进制元组合并成n元组，以表示共享媒体连接。 然后可以使用精简的元组来识别网络拓扑中的变化。
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公开(公告)号：US5948055A
公开(公告)日：1999-09-07
申请号：US705358
申请日：1996-08-29
摘要： An internet monitoring system efficiently discovers topology data of a network by utilizing a distributed object model. The topology data represents the devices and interconnections of the network and can be used to display various conceptual views of the network at a management station. In accordance with the internet monitoring system, different sets of topology data are discovered with corresponding sets of computer-based stations, such as management stations or collection stations, by discovering the topology at respective regions of the network. Further, the different sets of topology data can be combined at a management station to derive a global view of the network. Both management and remote stations include a layout mechanism for receiving topology data and driving the output device based upon the topology data and a discovery mechanism for discovering and storing the topology data. The discovery mechanism includes a network monitor for discovering topology data corresponding with a particular station-specific region of the network, a topology database for storing topology data, and a topology manager for controlling the topology database. The management station, unlike the collection station, utilizes a replicator for communicating with at least one other station to receive topology data from a different region of the network and to forward the different set of topology data to its respective topology manager. The management station has algorithms for handling overlap in monitored regions through the choice of a primary station for each object monitored.
摘要翻译： 互联网监控系统通过利用分布式对象模型有效地发现网络的拓扑数据。 拓扑数据表示网络的设备和互连，并可用于在管理站显示网络的各种概念视图。 根据互联网监控系统，通过发现网络各个区域的拓扑，发现不同组的拓扑数据，其中包括管理站或收集站等相应的计算机站。 此外，可以在管理站处组合不同组的拓扑数据以导出网络的全局视图。 管理和远程站均包括用于接收拓扑数据并基于拓扑数据驱动输出设备的布局机制以及用于发现和存储拓扑数据的发现机制。 发现机制包括网络监视器，用于发现与网络的特定站特定区域对应的拓扑数据，用于存储拓扑数据的拓扑数据库，以及用于控制拓扑数据库的拓扑管理器。 管理站与收集站不同，利用复制器与至少一个其他站进行通信，以从网络的不同区域接收拓扑数据，并将不同的拓扑数据集合转发到其相应的拓扑管理器。 管理站具有用于通过为所监视的每个对象选择主站来处理监视区域中的重叠的算法。
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6.发明授权Automatic status polling failover or devices in a distributed network management hierarchy 有权分布式网络管理层次结构中设备的自动状态轮询故障转移公开(公告)号：US06295558B1
公开(公告)日：2001-09-25
申请号：US09137851
申请日：1998-08-21
IPC分类号： G06F15173
CPC分类号： H04L43/0817 , H04L41/0663
摘要： Automatic failover methodology provides a mechanism whereby a central control unit, such as a management station, will automatically takeover interface status polling of objects of a collection station that is temporarily unreachable. This methodology is applicable to any distributed computing environment, such as a data communications network, in which it is desirable to have a central control unit assume the interface status polling operation of a temporarily inaccessible collection station. The collection station may be inaccessible due to the network on which the central control unit and the collection station reside being down or due to the collection station being down for maintenance.
摘要翻译： 自动故障切换方法提供了一种机制，其中诸如管理站之类的中央控制单元将自动接管临时不可达的收集站对象的接口状态轮询。 该方法适用于诸如数据通信网络的任何分布式计算环境，其中期望使中央控制单元承担临时不可访问的收集站的接口状态轮询操作。 由于中央控制单元和收集站所在的网络关闭或由于收集站停机以进行维护，收集站可能无法访问。
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7.发明授权Network management event correlation in environments containing inoperative network elements 失效网络管理事件相关的环境中包含不可操作的网元
公开(公告)号：US6061723A
公开(公告)日：2000-05-09
申请号：US947219
申请日：1997-10-08
CPC分类号： H04L12/2602 , H04L41/0631 , H04L41/12 , H04L41/22 , H04L43/00 , H04L43/0811 , H04L43/0817 , H04L43/10
摘要： A network monitor for distinguishing between broken and inaccessible network elements. The network monitor includes one or more computer readable storage mediums, and computer readable program code stored in the one or more computer readable storage mediums. The computer readable program code includes code for discovering the topology of a plurality of network elements, code for periodically polling a plurality of network interfaces associated with the plurality of network elements, code for computing or validating a criticalRoute attribute for each of the plurality of network interfaces, and code for analyzing a status of network interfaces identified by the criticalRoute attribute of an interface in question (IIQ) which is not responding to a poll or ping. The computer readable program code may also include code for establishing a slowPingList and placing in-memory representations of broken or failed network interfaces thereon, thereby reducing the amount of information which is presented to a network administrator from inaccessible elements not responding to a network interface poll. A means for correlating and/or suppressing events in response to the determination of whether a network interface is failed or broken is also provided. Information which is not critical to a network administrator may be suppressed, and then viewed in a "drill down" of a particular network interface.
摘要翻译： 网络监视器，用于区分破碎和不可访问的网络元素。 网络监视器包括一个或多个计算机可读存储介质和存储在一个或多个计算机可读存储介质中的计算机可读程序代码。 所述计算机可读程序代码包括用于发现多个网络元件的拓扑的代码，用于周期性地轮询与所述多个网络元件相关联的多个网络接口的代码，用于计算或验证所述多个网络中的每个网络的criticalRoute属性的代码 接口和用于分析由所响应的接口（IIQ）的criticalRoute属性标识的网络接口的状态的代码，其不响应于轮询或ping。 计算机可读程序代码还可以包括用于建立slowPingList并在其上放置破坏或失败的网络接口的存储器内表示的代码，从而减少由网络管理员向网络管理员呈现的不能访问的元素而不响应于网络接口轮询的信息量 。 还提供了响应于网络接口是否故障或断开的确定来相关和/或抑制事件的手段。 对网络管理员不重要的信息可能被抑制，然后在特定网络接口的“向下钻取”中查看。
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