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    • 1. 发明申请
    • SYSTEM AND METHOD FOR AUTOMATED DISTRIBUTED DIAGNOSTICS FOR NETWORKS
    • 用于网络自动分布式诊断的系统和方法
    • WO2009097435A1
    • 2009-08-06
    • PCT/US2009/032445
    • 2009-01-29
    • TELCORDIA TECHNOLOGIES, INC.KRISHNAN, Komandur, R.LUSS, HananSHALLCROSS, David, F.NEIDHARDT, Arnold, L.
    • KRISHNAN, Komandur, R.LUSS, HananSHALLCROSS, David, F.NEIDHARDT, Arnold, L.
    • G06F11/00
    • G06F11/079G05B23/0248G05B23/0278G06F11/0706
    • A method for distributed computations for fault-diagnosis in a system whose fault propagation model has deterministic couplings between faults and symptoms includes creating a 'relation graph' in which the nodes correspond to the potential faults, with two nodes connected by a 'relational link' if their corresponding faults have an observed symptom in common. The relation graph is then partitioned into several domains, while minimizing the number of cross-domain relational links, which correspond to cross- domain symptoms. In each domain, all the optimal local solutions to the domain's sub- problem are first determined, and then a combination is selected of the local solutions, one from each domain, that explains the maximum number of cross-domain symptoms, where the optimal solution is supplemented, if necessary, with additional faults to explain any remaining unexplained cross-domain symptoms, determining also a bound on the deviation from optimality of the global solution.
    • 一种用于故障传播模型在故障与症状之间具有确定性耦合的系统中的故障诊断分布式计算方法包括创建“关系图”,其中节点对应于潜在故障,两个节点通过“关系链路”连接, 如果相应的故障具有共同的观察症状。 然后将关系图分割成多个域,同时最小化跨领域关系链接的数量,这对应于跨域症状。 在每个域中,首先确定域的子问题的所有最优本地解决方案,然后选择本地解决方案的组合,每个域中的一个解释跨域症状的最大数量,其中最优解 如有必要,补充说,还有其他错误来解释任何剩余的不明原因的跨域症状,也决定了与全局解决方案的最优性的偏离。
    • 2. 发明申请
    • A METHOD FOR EQUITABLE BANDWIDTH ALLOCATION FOR CONTENT DISTRIBUTION NETWORKS
    • 含量分布网络带宽均匀分配的一种方法
    • WO2009108679A2
    • 2009-09-03
    • PCT/US2009/035105
    • 2009-02-25
    • TELCORDIA TECHNOLOGIES, INC.LUSS, Hanan
    • LUSS, Hanan
    • H04J3/16
    • H04L47/781H04L47/70
    • A method is presented for determining bandwidth allocations in a content distribution network that comprises multiple trees, where the root of each tree has a server that broadcasts multiple programs throughout the tree. Each network link has limited capacity and may be used by one or more of these trees. The allocation problem is formulated as an equitable resource allocation problem with a lexicographic maximin objective function that attempts to provide equitable service performance for all requested programs at the various nodes. The constraints include link capacity constraints and tree-like ordering constraints imposed on each of the programs. The algorithm provides an equitable solution in polynomial time for wide classes of performance functions. At each iteration, the algorithm solves single-link maximin optimization problems while relaxing the ordering constraints, selects a bottleneck link and fixes various variables at their optimal value.
    • 提出了一种用于确定包括多个树的内容分发网络中的带宽分配的方法,其中每个树的根具有在整个树中广播多个节目的服务器。 每个网络链路的容量有限,可能会被一个或多个这些树使用。 分配问题被制定为一个公平的资源分配问题,带有词典最大目标函数,试图为各个节点上的所有请求的程序提供公平的服务性能。 约束包括链路容量约束和强加在每个程序上的树状排序约束。 该算法为多种性能函数提供了多项式时间的公平解。 在每次迭代中,该算法解决了单链最大最小化优化问题,同时放宽了排序约束,选择了一个瓶颈链,并将各种变量修正为最佳值。
    • 5. 发明申请
    • A METHOD FOR EQUITABLE BANDWIDTH ALLOCATION FOR CONTENT DISTRIBUTION NETWORKS
    • 用于内容分发网络的公平带宽分配的方法
    • WO2009108679A3
    • 2009-12-30
    • PCT/US2009035105
    • 2009-02-25
    • TELCORDIA TECH INCLUSS HANAN
    • LUSS HANAN
    • H04N7/173
    • H04L47/781H04L47/70
    • A method is presented for determining bandwidth allocations in a content distribution network that comprises multiple trees, where the root of each tree has a server that broadcasts multiple programs throughout the tree. Each network link has limited capacity and may be used by one or more of these trees. The allocation problem is formulated as an equitable resource allocation problem with a lexicographic maximin objective function that attempts to provide equitable service performance for all requested programs at the various nodes. The constraints include link capacity constraints and tree-like ordering constraints imposed on each of the programs. The algorithm provides an equitable solution in polynomial time for wide classes of performance functions. At each iteration, the algorithm solves single-link maximin optimization problems while relaxing the ordering constraints, selects a bottleneck link and fixes various variables at their optimal value.
    • 提出了一种用于确定包含多个树的内容分发网络中的带宽分配的方法,其中每个树的根具有在整个树上广播多个节目的服务器。 每个网络链路的容量有限,并且可以被这些树中的一个或多个使用。 分配问题被制定为具有字典最大目标函数的公平资源分配问题,其尝试为各个节点处的所有请求的程序提供公平的服务性能。 这些约束包括强制在每个程序上的链路容量限制和树状的排序约束。 该算法为多种性能函数的多项式时间提供了一个公平的解决方案。 在每次迭代时,该算法解决了单链路最大优化问题,同时放松了排序约束,选择了瓶颈链接,并将各种变量修正为其最优值。
    • 6. 发明申请
    • METHOD FOR EQUITABLE PLACEMENT OF A LIMITED NUMBER OF SENSORS FOR WIDE AREA SURVEILLANCE
    • 用于宽范围监测的传感器的有限数量的公平放置方法
    • WO2008100604A1
    • 2008-08-21
    • PCT/US2008/002067
    • 2008-02-14
    • TELCORDIA TECHNOLOGIES, INC.LUSS, Hanan
    • LUSS, Hanan
    • G06F17/50
    • G08B25/016G08B21/12G08B25/009H04W16/18
    • A limited number of sensors are placed at selected locations in order to achieve equitable coverage levels to all locations that need to be monitored The coverage level provided to any specific location depends on all sensors that monitor the location and on the properties of the sensors, including probability of object detection and probability of false alarm These probabilities may depend on the monitoring and monitored locations An equitable coverage to all locations is obtained by finding the lexicographically largest vector of coverage levels, where these coverage levels are sorted in a non-decreasing order The method generates a lexicographic maximin optimization model whose solution provides equitable coverage levels In order to facilitate computations, a nonlinear integer optimization model is generated whose solution provides the same coverage levels as the lexicographic maximin optimization model
    • 有限数量的传感器放置在选定的位置,以便实现所有需要监控的位置的公平的覆盖水平提供给任何特定位置的覆盖水平取决于监测传感器位置和属性的所有传感器,包括 对象检测的概率和误报概率这些概率可能取决于监测和监测的位置通过找到覆盖水平的字面上最大的覆盖水平向量获得对所有位置的公平覆盖,其中这些覆盖水平以非递减顺序排序。 方法生成一个词典最大化优化模型,其解决方案提供公平的覆盖水平为了便于计算,生成一个非线性整数优化模型,其解决方案提供与词典最大化优化模型相同的覆盖水平
    • 7. 发明申请
    • BANDWIDTH ALLOCATION FOR VIDEO-ON-DEMAND NETWORKS
    • 视频点播网络的带宽分配
    • WO2007056260A3
    • 2008-05-08
    • PCT/US2006043154
    • 2006-11-06
    • TELCORDIA TECH INCLUSS HANAN
    • LUSS HANAN
    • H04L12/28
    • H04N7/17318H04L12/1877H04L47/15H04L47/70H04L47/762H04L47/801H04L47/806H04L47/828H04N21/2402H04N21/26216H04N21/47202H04N21/6373
    • Methods for the optimal allocation of bandwidth among a plurality of video-on-demand (VOD) programs available on each link of a VOD tree network, where a server at the root node of the tree network broadcasts the multiple VOD programs. Each node in the network has demands for a subset of the programs and each link connecting nodes in the network has a limited amount of available bandwidth capacity. The available bandwidth is allocated on each link optimally among all programs that are carried on that link. The bandwidth allocated to a specific program may be different on different links of the network, as the bandwidth allocated may be decreased, but not increased, from one link to the next along the paths from the root node to the destination nodes. The methods use equitable resource allocation models with a lexicographic minimax objective function. The first method finds optimal solutions while satisfying the capacity constraints on all links, tree-like ordering constraints for the bandwidth allocated to each of the programs, and lower and upper bounds on bandwidth allocation for each program. The second method finds optimal solutions to a more restrictive scheme that imposes additional constraints which require equal bandwidth allocation for a specific program on all relevant links emanating from the same node.
    • 用于在VOD树网络的每个链路上可用的多个视频点播(VOD)节目中的带宽的最佳分配的方法,其中,树形网络的根节点处的服务器广播多个VOD节目。 网络中的每个节点都需要一个节目的子集,并且连接网络节点的每个链路具有有限的可用带宽容量。 在该链路上承载的所有程序中,可用带宽在每个链路上最佳分配。 分配给特定程序的带宽在网络的不同链路上可能不同,因为分配的带宽可以沿着从根节点到目的地节点的路径从一个链路减少但不会增加到下一个链路。 该方法使用具有词典最小目标函数的公平资源分配模型。 第一种方法在满足所有链路上的容量约束,分配给每个程序的带宽的树状排序约束以及每个程序的带宽分配的下限和上限的情况下找到最优解。 第二种方法为限制更多的方案找到最佳解决方案,该方案对于从相同节点发出的所有相关链路上的特定程序需要相等带宽分配的附加约束。
    • 9. 发明申请
    • DISTRIBUTED METHOD FOR EQUITABLE BANDWIDTH ALLOCATION FOR CONTENT DISTRIBUTION IN A NETWORK
    • 用于网络中内容分配的公平带宽分配的分布式方法
    • WO2011133737A1
    • 2011-10-27
    • PCT/US2011/033369
    • 2011-04-21
    • TELCORDIA TECHNOLOGIES, INC.LUSS, Hanan
    • LUSS, Hanan
    • G06F15/16
    • H04L43/0882H04L41/0896
    • A distributed method is presented for determining equitable bandwidth allocations in a content distribution tree network, where the root of the tree has a server that broadcasts multiple programs throughout the tree. The intensive computations in the distributed method are done at each of the nodes independently while only minimal information is exchanged among the nodes. Each network link has limited capacity. The allocation problem is formulated as an equitable resource allocation problem with a lexicographic maximin objective function that provides equitable service performance for all requested programs at the various nodes. The constraints include link capacity constraints and tree-like ordering constraints imposed on each of the programs. The distributed method converges to the equitable solution in a finite number of iterations. The distributed method can be applied to a network comprised of multiple trees.
    • 提出了一种用于确定内容分发树网络中的公平带宽分配的分布式方法,其中树的根具有在整个树中广播多个节目的服务器。 分布式方法中的密集计算独立完成在每个节点上,而在节点之间只交换最小的信息。 每个网络链路的容量有限。 分配问题被制定为具有字典最大目标函数的公平资源分配问题,其为各个节点处的所有请求的程序提供公平的服务性能。 这些约束包括强制在每个程序上的链路容量限制和树状的排序约束。 分布式方法在有限数量的迭代中收敛到公平解。 分布式方法可以应用于由多个树组成的网络。