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91. 发明授权

US07467224B2 Load balancing techniques for inter-domain traffic engineering 有权
标题翻译：域间流量工程的负载均衡技术
公开(公告)号：US07467224B2
公开(公告)日：2008-12-16
申请号：US10781542
申请日：2004-02-17
申请人： Kartikeya Chandrayana , Matthew Roughan , Subhabrata Sen , Yin Zhang
发明人： Kartikeya Chandrayana , Matthew Roughan , Subhabrata Sen , Yin Zhang
IPC分类号： G06F15/16
CPC分类号： H04L45/125 , H04L45/04 , H04L45/124 , H04L45/22 , H04L45/24 , H04L45/70 , H04L47/10 , H04L47/11 , H04L47/122 , H04L47/125 , H04L47/20
摘要： A method for balancing traffic across paths connecting a network to the Internet using a fractional allocation strategy for distributing the traffic from a congested selected path. The strategy includes: (a) associating the paths j with a counter i; (b) calculating the total initial selected path overload; (c) calculating the selected path load, wherein the load is equal to the initial selected path overload less the sum of the low capacity boundary for i path(s); (d) calculating the portion of the traffic on the selected path to be distributed using a bi-sectional search strategy; (e) distributing a portion of the traffic on the selected path to the other paths; and (f) stopping if there are no more paths (i=j), otherwise increasing the numerical value of the counter by one (1) and go to step (c).
摘要翻译：一种用于使用分数分配策略来平衡通过连接网络到因特网的路径之间的流量的方法，用于分配来自拥塞的所选路径的流量。该策略包括：（a）将路径j与计数器i相关联; （b）计算总初始选择路径过载; （c）计算所选择的路径负载，其中负载等于初始选择的路径过载，减去i路径的低容量边界的和; （d）使用双向搜索策略计算要分配的所选路径上的业务部分; （e）将所选路径上的一部分业务分发到其他路径; 和（f）如果没有更多的路径（i = j）停止，否则将计数器的数值增加1（1）并转到步骤（c）。

92. 发明授权

US09167480B2 Methods and systems for managing device bandwidth usage 有权
标题翻译：用于管理设备带宽使用的方法和系统
公开(公告)号：US09167480B2
公开(公告)日：2015-10-20
申请号：US13109266
申请日：2011-05-17
申请人： Jeffrey Erman , Subhabrata Sen
发明人： Jeffrey Erman , Subhabrata Sen
IPC分类号： H04W24/00 , H04W28/20 , H04W8/18
CPC分类号： H04W28/20 , H04W8/18
摘要： Systems and methods for controlling a wireless device by a user based on bandwidth used when the device is connected to a network are disclosed. The bandwidth used by a process when the wireless device is connected to a network is determined. Information associating the value of the bandwidth used by the process when connected to the network, with at least one characteristic of the network is provided. A bandwidth management profile that identifies what process is allowed to be executed on each network is generated. The bandwidth management profile is used to determine whether the process should be executed on the network.
摘要翻译：公开了一种用户根据设备连接到网络所使用的带宽来控制无线设备的系统和方法。当无线设备连接到网络时，由进程使用的带宽被确定。提供了连接到网络时由进程使用的带宽的值与网络的至少一个特性相关联的信息。生成一个带宽管理配置文件，用于标识允许在每个网络上执行哪些进程。带宽管理配置文件用于确定该进程是否应在网络上执行。

93. 发明授权

US08051060B1 Automatic detection of separators for compression 有权
标题翻译：自动检测分离器进行压缩
公开(公告)号：US08051060B1
公开(公告)日：2011-11-01
申请号：US12378336
申请日：2009-02-13
申请人： Kiem-Phong Vo , Subhabrata Sen
发明人： Kiem-Phong Vo , Subhabrata Sen
IPC分类号： G06F17/30
CPC分类号： G06F17/30908
摘要： A method that accepts a data file, iteratively tests different information units as record delimiters and field delimiters, and chooses as the data files record delimiter, R, and field delimiter, F, the information units that result in the lowest generalized entropy that is computed on fields created by use of the chosen delimiter pair R,F.
摘要翻译：接受数据文件的方法，迭代地测试不同的信息单元作为记录分隔符和字段分隔符，并选择数据文件记录定界符R和字段分隔符F，导致计算出的最低广义熵的信息单元在通过使用所选定界符对R，F创建的字段上。

94. 发明授权

US07940685B1 Method and apparatus for monitoring a network 有权
标题翻译：监控网络的方法和装置
公开(公告)号：US07940685B1
公开(公告)日：2011-05-10
申请号：US11280645
申请日：2005-11-16
申请人： Lee Michel Breslau , Christopher J. Chase , William Christopher Fenner , Subhabrata Sen
发明人： Lee Michel Breslau , Christopher J. Chase , William Christopher Fenner , Subhabrata Sen
IPC分类号： H04L12/26
CPC分类号： H04L43/0858 , H04L43/0835 , H04L43/12
摘要： Certain exemplary embodiments provide a method that can comprise establishing a tunnel between a monitor and at least one router; sending a message to join a multicast transmission; and/or transmitting a packet via the tunnel to a router. The packet can comprise a source address of the network monitor and a destination address comprising a multicast address.
摘要翻译：某些示例性实施例提供了一种方法，其可以包括在监视器和至少一个路由器之间建立隧道; 发送加入组播传输的消息; 和/或经由隧道将数据包发送到路由器。分组可以包括网络监视器的源地址和包括多播地址的目的地地址。

95. 发明授权

US07924739B2 Method and apparatus for one-way passive loss measurements using sampled flow statistics 有权
标题翻译：使用采样流统计的单向无源损耗测量的方法和装置
公开(公告)号：US07924739B2
公开(公告)日：2011-04-12
申请号：US12317420
申请日：2008-12-22
申请人： Subhabrata Sen , Lee Breslau , Nicholas Duffield , Yu Gu
发明人： Subhabrata Sen , Lee Breslau , Nicholas Duffield , Yu Gu
IPC分类号： H04J3/14 , H04L12/26 , G06F11/30
CPC分类号： H04L43/0835 , H04L41/0213 , H04L41/142 , H04L41/5009 , H04L43/026 , H04L43/103 , Y02D50/30
摘要： A packet loss estimation technique is disclosed that utilizes the sampled flow level statistics that are routinely collected in operational networks, thereby obviating the need for any new router features or measurement infrastructure. The technique is specifically designed to handle the challenges of sampled flow-level aggregation such as information loss resulting from packet sampling, and generally comprises: receiving a first record of sampled packets for a flow from a first network element; receiving a second record of sampled packets for the flow from a second network element communicating with the first network element; correlating sampled packets from the flow at the first network element and the second network element to a measurement interval; and estimating the packet loss using a count of the sampled packets correlated to the measurement interval.
摘要翻译：公开了一种利用在操作网络中常规收集的采样流量统计信息的分组丢失估计技术，从而避免了对任何新的路由器特征或测量基础设施的需要。该技术专门设计用于处理采样流级聚合的挑战，例如由分组采样导致的信息丢失，并且通常包括：从第一网络元件接收流的第一采样分组记录; 从与第一网络元件通信的第二网络元件接收用于流的采样分组的第二记录; 将来自第一网元和第二网元的流的采样分组相关联到测量间隔; 以及使用与测量间隔相关联的采样分组的计数来估计分组丢失。

96. 发明授权

US07898976B2 Methods and apparatus for detection of hierarchical heavy hitters 有权
标题翻译：用于检测分级重击锤的方法和装置
公开(公告)号：US07898976B2
公开(公告)日：2011-03-01
申请号：US12236369
申请日：2008-09-23
申请人： Nicholas Duffield , Carsten Lund , Subhabrata Sen , Yin Zhang , Sumeet Singh
发明人： Nicholas Duffield , Carsten Lund , Subhabrata Sen , Yin Zhang , Sumeet Singh
IPC分类号： G06F11/30 , G06F12/00
CPC分类号： H04L63/1425 , H04L29/12801 , H04L61/6004 , H04L63/1441 , H04L63/1458 , Y10S707/99945 , Y10S707/99948
摘要： An efficient streaming method and apparatus for detecting hierarchical heavy hitters from massive data streams is disclosed. In one embodiment, the method enables near real time detection of anomaly behavior in networks.
摘要翻译：公开了一种用于从海量数据流检测分层重击打者的有效的流传输方法和装置。在一个实施例中，该方法能够近似实时地检测网络中的异常行为。

97. 发明申请

US20090073891A1 METHODS AND APPARATUS FOR SPACE EFFICIENT ADAPTIVE DETECTION OF MULTIDIMENSIONAL HIERARCHICAL HEAVY HITTERS 审中-公开
标题翻译：用于多层次分层重度HITTERS的空间有效自适应检测的方法和装置
公开(公告)号：US20090073891A1
公开(公告)日：2009-03-19
申请号：US12197424
申请日：2008-08-25
申请人： Nicholas Duffield , Carsten Lund , Subhabrata Sen , Yin Zhang
发明人： Nicholas Duffield , Carsten Lund , Subhabrata Sen , Yin Zhang
IPC分类号： G06F11/30
CPC分类号： H04L63/1408 , H04L43/022 , H04L43/024 , Y10S707/99945 , Y10S707/99948
摘要： The present invention develops an efficient streaming method for detecting multidimensional hierarchical heavy hitters from massive data streams and enables near real time detection of anomaly behavior in networks.
摘要翻译：本发明开发了一种用于从海量数据流中检测多维分层重击打者的有效流式传输方法，并能实现对网络中异常行为的近实时检测。

98. 发明申请

US20060106218A1 Substituted piperazines 有权
公开(公告)号：US20060106218A1
公开(公告)日：2006-05-18
申请号：US11008774
申请日：2004-12-08
申请人： Andrew Pennell , James Aggen , J.J. Wright , Subhabrata Sen , Brian McMaster , Daniel Dairaghi , Wei Chen , Penglie Zhang
发明人： Andrew Pennell , James Aggen , J.J. Wright , Subhabrata Sen , Brian McMaster , Daniel Dairaghi , Wei Chen , Penglie Zhang
IPC分类号： C07D403/02
CPC分类号： C07D403/04 , A61K31/496 , A61K31/497 , A61K31/501 , A61K31/506 , A61K31/52 , A61K31/53 , A61K31/5377 , A61K45/06 , C07D231/12 , C07D231/14 , C07D231/16 , C07D231/18 , C07D231/38 , C07D231/56 , C07D233/61 , C07D235/06 , C07D235/16 , C07D249/08 , C07D249/14 , C07D257/04 , C07D401/04 , C07D401/12 , C07D401/14 , C07D403/06 , C07D403/12 , C07D405/04 , C07D407/04 , C07D409/04 , C07D413/04 , C07D413/12 , C07D417/04 , C07D471/04 , C07D473/34 , A61K2300/00
摘要： Compounds are provided that act as potent antagonists of the CCR1 receptor, and have in vivo anti-inflammatory activity. The compounds are generally aryl piperazine derivatives and are useful in pharmaceutical compositions, methods for the treatment of CCR1-mediated diseases, and as controls in assays for the identification of competitive CCR1 antagonists.

99. 发明申请

US20060036737A1 Adaptive permutation group method for overload control 有权
标题翻译：用于过载控制的自适应置换组方法
公开(公告)号：US20060036737A1
公开(公告)日：2006-02-16
申请号：US10917988
申请日：2004-08-13
申请人： Gopal Kumar , Subhabrata Sen , Ganapathy Sundaram
发明人： Gopal Kumar , Subhabrata Sen , Ganapathy Sundaram
IPC分类号： G06F15/173
CPC分类号： H04L47/32 , H04L47/10 , H04L47/11 , H04L47/12 , H04L47/14 , H04L47/2441 , H04L47/25 , H04W28/10
摘要： A communication network includes an overload control algorithm that adapts to changing circumstances. In a disclosed example, an acceptance fraction for each of a plurality of message types depends upon the arrival rates of the message types. As at least one of the arrival rates changes, the acceptance fraction is responsively changed to provide an overload control algorithm that adapts to changes in message traffic.
摘要翻译：通信网络包括适应不断变化的情况的过载控制算法。在公开的示例中，多个消息类型中的每一个的接受分数取决于消息类型的到达速率。当到达速率中的至少一个改变时，响应地改变接受比例以提供适应消息业务变化的过载控制算法。

100. 发明申请

US20050039086A1 Method and apparatus for sketch-based detection of changes in network traffic 失效
标题翻译：用于基于草图检测网络流量变化的方法和装置
公开(公告)号：US20050039086A1
公开(公告)日：2005-02-17
申请号：US10867265
申请日：2004-06-14
申请人： Balachander Krishnamurthy , Subhabrata Sen , Yin Zhang , Yan Chen
发明人： Balachander Krishnamurthy , Subhabrata Sen , Yin Zhang , Yan Chen
IPC分类号： G06F13/00 , H04L12/24 , H04L12/26 , H04L12/56 , H04L29/06 , H02H3/05
CPC分类号： H04L41/142 , H04L41/147 , H04L63/1408 , H04L63/1441
摘要： A sketch-based change detection technique is introduced for anomaly detection and other applications that can benefit from having a quick and efficient change detection mechanism. The technique is capable of detecting significant changes in massive data streams with a large number of network time series. As part of the technique, we designed a variant of the sketch data structure, called k-ary sketch, uses a constant, small amount of memory, and has constant per-record update and reconstruction cost. A variety of time series forecast models are implemented on top of such summaries and detect significant changes by looking for flows with large forecast errors. Heuristics for automatically configuring the forecast model parameters are presented. Real Internet traffic data is used to demonstrate that the sketch-based change detection method is highly accurate when compared with per-flow analysis, and can be implemented at low computation and memory costs. The results validate using the technique as a building block for network anomaly detection and traffic measurement in large computer networks.
摘要翻译：引入了一种基于草图的变更检测技术，用于异常检测和其他可以从快速有效的变化检测机制中受益的应用。该技术能够通过大量网络时间序列来检测海量数据流的重大变化。作为技术的一部分，我们设计了草图数据结构的一个变体，称为k-ary素描，使用常量，少量的内存，并具有不断的每记录更新和重建成本。在这些总结之上还实施了各种时间序列预测模型，并通过查找具有较大预测误差的流量来检测重大变化。介绍了自动配置预测模型参数的启发式。实时互联网流量数据用于表明基于草图的变更检测方法与流量分析相比是高度准确的，可以以低计算和内存成本实现。结果验证了该技术作为大型计算机网络中网络异常检测和流量测量的基础。

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