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1. 发明授权

US07746860B2 Testing applications or devices in large networks 有权
标题翻译：测试大型网络中的应用程序或设备
公开(公告)号：US07746860B2
公开(公告)日：2010-06-29
申请号：US11192772
申请日：2005-07-29
申请人： Jonathan Gilbert Gordon Tams , David James Stevenson , Iain Hogg
发明人： Jonathan Gilbert Gordon Tams , David James Stevenson , Iain Hogg
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L41/00 , H04L29/12339 , H04L41/0213 , H04L43/50 , H04L47/10 , H04L61/2503
摘要： When testing network management applications, it is desirable to show that they will work with large or very large networks, to determine the upper bounds of the applications capabilities, and improvements which might increase the upper bounds. A method of testing a network application is disclosed mapping a layer-3 addresses of a real subnetwork onto a plurality of mapped layer-3 subnetwork addresses for conversations with applications or devices. Packets are modified to change a destination layer-3 address in a mapped subnetwork, pointing to corresponding real IP address and forwarding the packets. The conversation to which a response from a reallayer-3 address relates is identified. The source layer-3 address and packet contents are changed into the appropriate mapped subnetwork and the packet is forwarded to the application or device. An existing test network of any size may be used as the basis for testing the network management application.
摘要翻译：在测试网络管理应用程序时，最好表明它们将与大型或非常大的网络协同工作，以确定应用程序功能的上限，以及可能增加上限的改进。公开了一种测试网络应用的方法，其将真实子网的第3层地址映射到用于与应用或设备进行对话的多个映射层3子网地址上。数据包被修改以改变映射子网中的目的地层3地址，指向相应的实际IP地址并转发数据包。识别来自再层3地址的响应的对话。源层3地址和分组内容被改变为适当的映射子网，并且分组被转发到应用或设备。可以使用任何大小的现有测试网络作为测试网络管理应用的基础。

2. 发明授权

US06718346B1 Generating summary data for a requested time period having a requested start time and end time a plurality of data records 失效
标题翻译：从多个数据记录中产生具有请求的开始时间和结束时间的请求时间段的汇总数据
公开(公告)号：US06718346B1
公开(公告)日：2004-04-06
申请号：US09641084
申请日：2000-08-17
申请人： Ronald Brown , Jonathan G G Tams , Peter I Oliver , Iain Hogg
发明人： Ronald Brown , Jonathan G G Tams , Peter I Oliver , Iain Hogg
IPC分类号： G06F1730
CPC分类号： G06F17/30595 , Y10S707/99931 , Y10S707/99933 , Y10S707/99953
摘要： Apparatus and method for use in a network of, for example, computers, for generating summary data, such as traffic summary information, from a plurality of data records, the data records having a different temporal basis, for example, one hour or one day or one week, and different start and end times. The summary data is generated for a requested time interval having a requested start time and a requested end time by selecting a data record with a record start time corresponding to the requested start and an end time as far as possible from the record start time but equal to or before the requested end time. The data from that selected data record is processed, and the initial time is then set to the end time of that particular data record and the process repeated. In this way one can gather and process such data with a minimum number of steps.
摘要翻译：用于例如计算机的网络中用于从多个数据记录中生成诸如交通摘要信息的汇总数据的装置和方法，具有不同时间基础的数据记录，例如一小时或一天或一周，不同的开始和结束时间。通过从记录开始时间尽可能地选择具有与所请求的开始和结束时间相对应的记录开始时间的数据记录，生成具有请求的开始时间和请求的结束时间的请求时间间隔的汇总数据，但是相等在请求的结束时间之前或之前。处理来自所选数据记录的数据，然后将初始时间设置为该特定数据记录的结束时间并重复该过程。以这种方式，可以采用最少数量的步骤收集和处理这些数据。

3. 发明申请

US20060251075A1 Testing applications or devices in large networks 有权
标题翻译：测试大型网络中的应用程序或设备
公开(公告)号：US20060251075A1
公开(公告)日：2006-11-09
申请号：US11192772
申请日：2005-07-29
申请人： Jonathan Tams , David Stevenson , Iain Hogg
发明人： Jonathan Tams , David Stevenson , Iain Hogg
IPC分类号： H04L12/56 , H04L12/54
CPC分类号： H04L41/00 , H04L29/12339 , H04L41/0213 , H04L43/50 , H04L47/10 , H04L61/2503
摘要： It is desired to test network management applications, for example, to show that they will work with large or very large networks, to determine the upper bounds of the applications capabilities, and to determine improvements which might, for example, increase the upper bounds. A method of testing a network application is disclosed providing a mapping of the layer-3 addresses of a real subnetwork onto a plurality of mapped layer-3 subnetwork addresses for conversations with the application or device. A packet is modified to change a destination layer-3 address in a mapped subnetwork, to point to the corresponding real IP address and the packet is forwarded on. The conversation to which a response from a reallayer-3 address relates is identified. The source layer-3 address and packet contents are changed into the appropriate mapped subnetwork and the packet is forwarded to the application or device. In operation, an existing test network of any size may be used as the basis for testing the network management application. In an embodiment, a small driver, the “IP address mapping shim” (simply referred to as the shim hereafter), working within the network stack of the server running the network management application, maps one or more (usually private) IP subnets onto the real IP subnet of the test network. The former IP subnets are hereafter referred to as mapped subnets, while the latter subnet is hereafter referred to as the real subnet.
摘要翻译：例如，希望测试网络管理应用程序，以显示它们将与大型或非常大的网络一起工作，以确定应用能力的上限，并确定可能例如增加上限的改进。公开了一种测试网络应用的方法，其提供将真实子网的第3层地址映射到与应用或设备进行对话的多个映射层3子网地址上。修改数据包以更改映射子网中的目标层3地址，以指向相应的实际IP地址，并转发数据包。识别来自再层3地址的响应的对话。源层3地址和分组内容被改变为适当的映射子网，并且分组被转发到应用或设备。在运行中，可以使用任何大小的现有测试网络作为测试网络管理应用的基础。在一个实施例中，在运行网络管理应用的服务器的网络堆栈内工作的小型驱动程序“IP地址映射垫片”（简称为垫片）将一个或多个（通常是专用的）IP子网映射到测试网络的真实IP子网。以前的IP子网以下称为映射子网，后一个子网在下文中称为实际子网。

4. 发明授权

US06954785B1 System for identifying servers on network by determining devices that have the highest total volume data transfer and communication with at least a threshold number of client devices 有权
标题翻译：用于通过确定具有最高总体积数据传输和与至少阈值数量的客户端设备通信的设备来识别网络上的服务器的系统
公开(公告)号：US06954785B1
公开(公告)日：2005-10-11
申请号：US09641407
申请日：2000-08-17
申请人： Hamish D. S. Martin , Iain Hogg , Peter I Oliver , Ronald Brown , Mark A. Pearce
发明人： Hamish D. S. Martin , Iain Hogg , Peter I Oliver , Ronald Brown , Mark A. Pearce
IPC分类号： G06F15/173 , H04L12/26 , H04L29/08
CPC分类号： H04L67/1002 , H04L43/00
摘要： A method and apparatus for identifying a device acting as a server on a network is disclosed which uses network data representing communications on the network. The network data contains source device, destination device, data transfer protocol and data volume information for each communication represented therein and may be collected by network traffic monitors or packet capture devices such as RMON2 probes on the network. Data relating to relevant server protocols is identified within the network data, and using the identified data, a device is determined to be acting as a server if it has the highest data volume for communications in which it is the source or destination device and which communications involve at least a threshold number of other devices. The method may be conveniently implemented in a computer program and may be used in conjunction with a network management application.
摘要翻译：公开了一种用于识别作为网络上的服务器的设备的方法和装置，其使用表示网络上的通信的网络数据。网络数据包含源设备，目的设备，数据传输协议以及其中所表示的每个通信的数据卷信息，并且可以由网络流量监视器或诸如网络上的RMON2探测器的分组捕获设备来收集。与相关服务器协议有关的数据在网络数据内被识别，并且使用所识别的数据，如果设备具有用于作为源或目的地设备的通信的最高数据量，并且哪个通信涉及至少一个阈值数量的其他设备。该方法可以方便地在计算机程序中实现，并且可以与网络管理应用一起使用。

5. 发明授权

US07283555B2 Method and apparatus for determining a polling interval in a network management system 有权
标题翻译：用于确定网络管理系统中的轮询间隔的方法和装置
公开(公告)号：US07283555B2
公开(公告)日：2007-10-16
申请号：US10179440
申请日：2002-06-25
申请人： Robert J. Duncan , Christopher R. Linzell , David J. Stevenson , Iain Hogg
发明人： Robert J. Duncan , Christopher R. Linzell , David J. Stevenson , Iain Hogg
IPC分类号： H04L12/42
CPC分类号： H04L41/0213 , H04L41/12 , H04L43/10 , H04L43/103 , H04Q3/0087 , H04Q2213/13092 , H04Q2213/13093 , H04Q2213/13196 , H04Q2213/13349 , H04Q2213/13389
摘要： A method and apparatus for determining a time interval for periodically polling a device on a network 1 is described. The method determines the most restrictive link on the path to the network device, the level of restrictiveness of a link being dependent on the nature of the link, such as the link speed and link type. The time interval between polling is determined based on the nature of the most restrictive link. Thus, the time interval can be determined according to the type and speed of the links between the polling device, which in a preferred embodiment is a network management station, and the polled device on the network 1.
摘要翻译：描述了一种用于确定用于周期性地轮询网络1上的设备的时间间隔的方法和装置。该方法确定到网络设备的路径上的最严格的链路，链路的限制级别取决于链路的性质，例如链路速度和链路类型。轮询之间的时间间隔是基于限制性最强的链路的性质来确定的。因此，可以根据轮询设备（在优选实施例中为网络管理站）和网络1上的轮询设备之间的链路的类型和速度来确定时间间隔。

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