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41. 发明授权

US06959323B1 Scalable atomic multicast 有权
标题翻译：可扩展的原子组播
公开(公告)号：US06959323B1
公开(公告)日：2005-10-25
申请号：US09384699
申请日：1999-08-27
申请人： Hong-Yi Tzeng , Yin Zhang
发明人： Hong-Yi Tzeng , Yin Zhang
IPC分类号： G06F15/16 , G06F15/173 , H04L12/18 , H04L12/56 , H04L29/08
CPC分类号： H04L12/1881 , H04L47/10 , H04L47/15 , H04L47/34 , H04L67/02
摘要： This document describes a protocol for reliably synchronizing states of nodes in a distributed environment through use of a Scalable Atomic Multicast (SAM) Service that ensures both atomicity and total order among messages sent to a multicast group. In addition to possessing good scalability property, this fault-tolerant protocol does not require explicit knowledge of multicast group membership, allows for non-disturbing state synchronization, and supports asynchronous non-blocking communications. According to one aspect of this invention, a dedicated sequencer is responsible solely for assigning sequence numbers to the multicast messages. The sequencer does not multicast the messages. Another aspect of the invention is the use of receiver-driven negative acknowledgments. According to third aspect, the invention supports message consolidation and garbage collection.
摘要翻译：本文档描述了一种通过使用可扩展原子组播（SAM）服务可靠地同步分布式环境中的节点状态的协议，该可扩展原子组播（SAM）服务确保发送到多播组的消息的原子性和总顺序。除了具有良好的可扩展性，该容错协议不需要对组播组成员资格的明确知识，允许非干扰状态同步，并支持异步非阻塞通信。根据本发明的一个方面，专用定序器仅用于为多播消息分配序列号。定序器不会组播消息。本发明的另一方面是使用接收机驱动的否定确认。根据第三方面，本发明支持消息合并和垃圾收集。

42. 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。

43. 发明授权

US08826314B2 Method and apparatus for managing quality of service 有权
标题翻译：管理服务质量的方法和装置
公开(公告)号：US08826314B2
公开(公告)日：2014-09-02
申请号：US13360828
申请日：2012-01-30
申请人： Jia Wang , Andrea Basso , Min-Hsuan Chen , Zihui Ge , Ajay Mahimkar , Han Hee Song , Jennifer Yates , Yin Zhang
发明人： Jia Wang , Andrea Basso , Min-Hsuan Chen , Zihui Ge , Ajay Mahimkar , Han Hee Song , Jennifer Yates , Yin Zhang
IPC分类号： H04H60/32
CPC分类号： H04L65/4076 , H04L65/103 , H04L65/80 , H04N21/2402 , H04N21/44222 , H04N21/64322 , H04N21/6583
摘要： A system that incorporates teachings of the present disclosure may include, for example, obtaining regression coefficients that quantify a relationship between premises feedback and first network and premises performance indicators, obtaining second network performance indicators for the network elements, obtaining second premises performance indicators for the customer premises equipment, and predicting customer complaints by applying the obtained regression coefficients to at least the second network performance indicators and the second premises performance indicators. Other embodiments are disclosed.
摘要翻译：结合本公开的教导的系统可以包括例如获得量化房屋反馈与第一网络和房屋性能指标之间的关系的回归系数，获得网络元件的第二网络性能指标，获得第二房屋性能指标客户驻地设备，以及通过将获得的回归系数应用于至少第二网络性能指标和第二房屋性能指标来预测客户投诉。公开了其他实施例。

44. 发明授权

US08649382B2 Methods and systems for content access and distribution 有权
标题翻译：内容访问和分发的方法和系统
公开(公告)号：US08649382B2
公开(公告)日：2014-02-11
申请号：US12575016
申请日：2009-10-07
申请人： Kadangode Ramakrishnan , William Fenner , Michael Rabinovich , Divesh Srivastava , Yin Zhang
发明人： Kadangode Ramakrishnan , William Fenner , Michael Rabinovich , Divesh Srivastava , Yin Zhang
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L67/02 , H04L67/104 , H04L67/1097 , H04L67/12
摘要： Distribution of content between publishers and consumers is accomplished using an overlay network that may make use of XML language to facilitate content identification. The overlay network includes a plurality of routers that may be in communication with each other and the publishers and consumers on the Internet. Content and queries are identified by content descriptors that are routed from the originator to a nearest router in the overlay network. The nearest router, for each unique content descriptor, generates a hash identification of the content descriptor which is used by remaining routers in the overlay network to provide the appropriate functions with respect to the content descriptor. In particular, this allows all routers in the overlay network except the nearest router to properly route content without processing every content descriptor.
摘要翻译：发布商和消费者之间的内容分发是通过覆盖网络实现的，该网络可以利用XML语言来促进内容识别。覆盖网络包括可以彼此通信的多个路由器以及因特网上的发布者和消费者。内容和查询由从发起者路由到覆盖网络中最近的路由器的内容描述符来标识。对于每个唯一的内容描述符，最近的路由器生成内容描述符的散列标识符，该标识由覆盖网络中的剩余路由器使用以提供关于内容描述符的适当的功能。特别地，这允许除了最近的路由器之外的覆盖网络中的所有路由器正确路由内容而不处理每个内容描述符。

45. 发明授权

US08649377B2 Methods and systems to store state used to forward multicast traffic 失效
标题翻译：存储用于转发组播流量的状态的方法和系统
公开(公告)号：US08649377B2
公开(公告)日：2014-02-11
申请号：US13277865
申请日：2011-10-20
申请人： Kadangode Ramakrishnan , Divesh Srivastava , Tae W. Cho , Yin Zhang , Michael Rabinovich
发明人： Kadangode Ramakrishnan , Divesh Srivastava , Tae W. Cho , Yin Zhang , Michael Rabinovich
IPC分类号： H04L12/28
CPC分类号： H04L12/1886 , H04L45/16 , H04L45/48
摘要： A method and system are described to multicast with an adaptive dual state. The system receives multicast traffic over a membership tree including a first plurality of nodes connected in a first topology destined for a plurality of multicast members of a first multicast group. Next, the system determines a rate of multicast traffic that exceeds a predetermined threshold based on the receiving the multicast traffic. Next, the system generates a dissemination tree including a second plurality of nodes connected in a second topology to reduce a number of hops to communicate the multicast traffic to the plurality of multicast members of the first multicast group. Finally, the system forwards the multicast traffic to the plurality of multicast members of the first multicast group over the dissemination tree.
摘要翻译：一种方法和系统被描述为具有自适应双状态的多播。系统通过隶属树接收组播流量，该成员树包括连接在第一个拓扑中的第一个多个节点，目的地是第一组播组的多个组播成员。接下来，系统基于接收到多播业务来确定超过预定阈值的多播业务速率。接下来，系统生成包括在第二拓扑中连接的第二多个节点的传播树，以减少将多播流量传送到第一多播组的多个多播成员的跳数。最后，系统通过传播树将组播流量转发给第一组播组的多个组播成员。

46. 发明申请

US20130072669A1 Covalently Functionalized Carbon Nanostructures and Methods for Their Separation 有权
标题翻译：共价官能化碳纳米结构及其分离方法
公开(公告)号：US20130072669A1
公开(公告)日：2013-03-21
申请号：US13439029
申请日：2012-04-04
申请人： YuHuang Wang , Alexandra H. Brozena , Shunliu Deng , Yin Zhang
发明人： YuHuang Wang , Alexandra H. Brozena , Shunliu Deng , Yin Zhang
IPC分类号： C07C51/353 , C07H1/00 , C07C57/40
CPC分类号： C07C51/353 , B82Y40/00 , C07C57/40 , C07H1/00 , Y10S977/745 , Y10S977/748 , Y10S977/847
摘要： The present invention is directed to carbon nanostructures, e.g., carbon nanotubes, methods of covalently functionalizing carbon nanostructures, and methods of separating and isolating covalently functionalized carbon. In some embodiments, carbon nanotubes are reacted with alkylating agents to provide water soluble covalently functionalized carbon nanotubes. In other embodiments, carbon nanotubes are reacted with a thermally-responsive agent and exposed to light in order to separate carbon nanotubes of a specific chirality from a mixture of carbon nanotubes.
摘要翻译：本发明涉及碳纳米结构，例如碳纳米管，共价官能化碳纳米结构的方法，以及分离和分离共价官能化碳的方法。在一些实施方案中，碳纳米管与烷基化剂反应以提供水溶性的共价官能化的碳纳米管。在其它实施方案中，碳纳米管与热响应剂反应并暴露于光以便从碳纳米管的混合物分离特定手性的碳纳米管。

47. 发明申请

US20120297405A1 EFFICIENTLY DISTRIBUTING VIDEO CONTENT USING A COMBINATION OF A PEER-TO-PEER NETWORK AND A CONTENT DISTRIBUTION NETWORK 审中-公开
标题翻译：使用对等网络和内容分发网络的组合高效地分发视频内容
公开(公告)号：US20120297405A1
公开(公告)日：2012-11-22
申请号：US13109690
申请日：2011-05-17
申请人： Yin Zhang , Lili Qiu
发明人： Yin Zhang , Lili Qiu
IPC分类号： H04H60/33
CPC分类号： H04N7/15 , H04H20/08 , H04L67/06 , H04L67/1085 , H04L67/1095
摘要： A method, system and computer program product for efficiently distributing video content. A peer-to-peer network and a content distribution network are used in combination to distribute video content. A content distribution network relies on servers distributed across the Internet to achieve high quality content delivery at a high cost. A peer-to-peer network distributes content among peers without incurring server side cost but may experience poor performance. The peer-to-peer network and the content distribution network are leveraged in a manner that achieves high content delivery and low cost by allowing the peer-to-peer network to serve as much content as possible while using the content distribution network to bootstrap the content in the peer-to-peer network and using it as a fallback whenever the peer-to-peer network has insufficient bandwidth, insufficient quality or when the missing piece of video content in the video buffer of the client device has an immediate deadline.
摘要翻译：一种用于有效分发视频内容的方法，系统和计算机程序产品。组合使用对等网络和内容分发网络来分发视频内容。内容分发网络依赖于分布在互联网上的服务器，以高成本实现高质量的内容传送。对等网络在对等体之间分配内容，而不会导致服务器端成本，但可能会遇到较差的性能。通过允许对等网络在使用内容分发网络引导时能够尽可能多的内容来实现高内容传送和低成本的方式来利用对等网络和内容分发网络对等网络中的内容，并且当对等网络具有不足的带宽，质量不足或客户端设备的视频缓冲区中缺少的视频内容片段具有即时截止时间时，将其用作回退。

48. 发明授权

US08228803B1 Method and apparatus for finding critical traffic matrices 有权
标题翻译：用于查找关键业务矩阵的方法和装置
公开(公告)号：US08228803B1
公开(公告)日：2012-07-24
申请号：US11477437
申请日：2006-06-28
申请人： Zihui Ge , Yin Zhang
发明人： Zihui Ge , Yin Zhang
IPC分类号： H04L1/00
CPC分类号： H04Q3/0062
摘要： Method and apparatus for determining at least one critical traffic matrix from a plurality of traffic matrices, where each of the plurality of traffic matrices is organized into at least one of a plurality of clusters, for a network is described. In one embodiment, a merging cost is calculated for each possible pair of clusters within a plurality of clusters. A pair of traffic matrices that is characterized by having the least merging cost is then merged. The calculating and the merging steps are subsequently repeated until a predefined number of clusters remains, wherein the remaining clusters are used to determine at least one critical traffic matrix.
摘要翻译：描述了一种用于从多个业务矩阵确定至少一个关键业务矩阵的方法和装置，其中多个业务矩阵中的每一个被组织成用于网络的多个集群中的至少一个。在一个实施例中，针对多个聚类中的每个可能的聚类对来计算合并成本。然后合并具有最小合并成本的一对业务矩阵。随后重复计算和合并步骤，直到保持预定数量的簇，其中剩余的簇用于确定至少一个关键业务矩阵。

49. 发明申请

US20090052448A1 METHODS AND SYSTEMS TO STORE STATE USED TO FORWARD MULTICAST TRAFFIC 有权
标题翻译：存储状态用于前向多媒体业务的方法和系统
公开(公告)号：US20090052448A1
公开(公告)日：2009-02-26
申请号：US12060709
申请日：2008-04-01
申请人： Kadangode K. Ramakrishnan , Divesh Srivastava , Tae Won Cho , Yin Zhang , Michael Rabinovich
发明人： Kadangode K. Ramakrishnan , Divesh Srivastava , Tae Won Cho , Yin Zhang , Michael Rabinovich
IPC分类号： H04L12/56
CPC分类号： H04L12/1886 , H04L45/16 , H04L45/48
摘要： Methods and systems are described to store state used to forward multicast traffic. The system includes a receiving module to receive request to add a first node to a membership tree. The membership tree includes a first plurality of nodes associated with a multicast group. The system further includes a processing module to identify a second node in the first plurality of nodes and to communicate a node identifier that identifies the first node over a network to the second node. The node identifier is to be stored at the second node to add the first node to the membership tree. The node identifier is further to be stored in the membership tree exclusively at the second node to enable the second node to forward the multicast traffic to the first node.
摘要翻译：描述了用于存储用于转发组播流量的状态的方法和系统。该系统包括接收模块，用于接收向成员树添加第一个节点的请求。隶属树包括与多播组相关联的第一多个节点。所述系统还包括处理模块，用于识别所述第一多个节点中的第二节点，并将通过网络识别所述第一节点的节点标识符传送到所述第二节点。节点标识符将存储在第二个节点，以将第一个节点添加到成员树中。节点标识符进一步被存储在专属于第二节点的成员树中，以使得第二节点能够将多播业务转发到第一节点。

50. 发明授权

US07437385B1 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：US07437385B1
公开(公告)日：2008-10-14
申请号：US11042771
申请日：2005-01-24
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： G06F17/00 , G06F7/00
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。

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