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1. 发明授权

US07872976B2 System and method for multi-protocol label switching network tuning 有权
标题翻译：多协议标签交换网络调优的系统和方法
公开(公告)号：US07872976B2
公开(公告)日：2011-01-18
申请号：US10428464
申请日：2003-05-02
申请人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
IPC分类号： G01R31/08 , G06F11/00 , G08C15/00 , H04J3/14 , H04L1/00
CPC分类号： H04L45/50 , H04L45/00 , H04L45/38
摘要： A system for and method of multi-protocol label switching (MPLS) network tuning. In one embodiment, the system includes a hot zone clearing subsystem that recursively identifies label switched paths (LSPs) to be rerouted from a defined hot zone subject to edges to be avoided. In that embodiment, the system further includes an LSP ordering subsystem, which is coupled to the hot zone clearing subsystem, that orders the LSPs to be rerouted to yield a migration sequence. The migration sequence is employable to reduce a load of the hot zone.
摘要翻译：一种多协议标签交换（MPLS）网络调优的方法及方法。在一个实施例中，系统包括热区清除子系统，其递归地标识要从要避免的边缘的定义的热区域重新路由的标签交换路径（LSP）。在该实施例中，系统还包括耦合到热区清除子系统的LSP排序子系统，其命令要重新路由的LSP以产生迁移序列。迁移顺序可用于减少热区的负荷。

2. 发明授权

US07813270B2 Route precomputation method and apparatus for bandwidth guaranteed traffic 有权
标题翻译：路由预先计算方法和带宽保证流量的设备
公开(公告)号：US07813270B2
公开(公告)日：2010-10-12
申请号：US10438431
申请日：2003-05-15
申请人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
IPC分类号： H04J1/16
CPC分类号： H04L45/00 , H04L45/42
摘要： A maximum-flow based route precomputation algorithm includes at least a route generation phase and a route selection phase, and determines one or more routes between at least a given pair of nodes in a network. In the route generation phase, a maximum-flow algorithm is applied to a first set of information characterizing links between the given pair of nodes in the network. The output of the maximum-flow algorithm is utilizable to generate a second set of information characterizing corresponding admissible flows. In the route selection phase, one or more routes are determined based on the second set of information using, for example, a shortest widest path (SWP) algorithm. The route generation and route selection phases may be repeated for each of a plurality of node pairs of the network.
摘要翻译：基于最大流的路由预计算算法至少包括路由产生阶段和路由选择阶段，并确定网络中至少一给定对节点之间的一个或多个路由。在路由产生阶段，最大流算法应用于表征网络中给定的一对节点之间的链路的第一组信息。最大流量算法的输出可用于生成表征对应允许流的第二组信息。在路由选择阶段，使用例如最短最宽路径（SWP）算法，基于第二组信息来确定一个或多个路由。可以为网络的多个节点对中的每一个重复路由生成和路由选择阶段。

3. 发明申请

US20100083305A1 Interface Device Having Multiple Software Clients to Facilitate Display of Targeted Information 审中-公开
标题翻译：具有多个软件客户端的接口设备，以便于显示目标信息
公开(公告)号：US20100083305A1
公开(公告)日：2010-04-01
申请号：US12241400
申请日：2008-09-30
申请人： Swarup Acharya , Anurag Srivastava
发明人： Swarup Acharya , Anurag Srivastava
IPC分类号： H04N7/025
CPC分类号： H04N21/44016 , H04N21/44004 , H04N21/458 , H04N21/6336 , H04N21/812
摘要： Advertisements or other types of targeted information are delivered to set-top boxes or other user interface devices of a signal distribution system. In one aspect of the invention, a user interface device comprises at least first and second software clients and a video buffer. The first software client receives packets associated with a first media stream, and the second software client receives packets associated with a second media stream containing the targeted information. The first software client delivers at least a portion of the packets associated with the first media stream to the video buffer. The second software client delivers at least a portion of the packets associated with the second media stream to the video buffer while one or more packets of the first media stream are still in the video buffer. The user interface device switches from the first media stream to the second media stream based on timing information which may be received from an external detection server.
摘要翻译：广告或其他类型的目标信息被传递到信号分配系统的机顶盒或其他用户接口设备。在本发明的一个方面，用户接口设备至少包括第一和第二软件客户端和视频缓冲器。第一软件客户端接收与第一媒体流相关联的分组，并且第二软件客户端接收与包含目标信息的第二媒体流相关联的分组。第一软件客户端将与第一媒体流相关联的分组的至少一部分提供给视频缓冲器。第二软件客户端将与第二媒体流相关联的分组的至少一部分传递给视频缓冲器，而第一媒体流的一个或多个分组仍然在视频缓冲器中。用户接口设备基于可以从外部检测服务器接收的定时信息从第一媒体流切换到第二媒体流。

4. 发明申请

US20080313669A1 Targeted Advertisement Insertion with Interface Device Assisted Switching 有权
标题翻译：具有接口设备辅助切换的目标广告插入
公开(公告)号：US20080313669A1
公开(公告)日：2008-12-18
申请号：US11764472
申请日：2007-06-18
申请人： Swarup Acharya , Bhawna Gupta , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Anurag Srivastava
IPC分类号： H04N7/10
CPC分类号： H04L65/605 , H04L65/4084
摘要： Advertisements or other types of targeted information are delivered to a set-top box or other user interface device of signal distribution system. In one aspect of the invention, a detection server of the system detects at least one cue associated with a first media stream, and generates timing information from the detected cue. The timing information is signaled to the interface device. An advertisement server of the system generates a second media stream containing targeted information for delivery to the user interface device. The user interface device switches from the first stream to the second stream based on the timing information. The timing information may also be signaled by the detection server to the advertisement server, for use in controlling generation of the second stream.
摘要翻译：广告或其他类型的目标信息被传送到信号分配系统的机顶盒或其他用户接口设备。在本发明的一个方面，系统的检测服务器检测与第一媒体流相关联的至少一个提示，并且根据检测到的提示生成定时信息。定时信息被通知给接口设备。系统的广告服务器生成包含目标信息的第二媒体流，用于传送到用户界面设备。用户接口设备基于定时信息从第一流切换到第二流。定时信息也可以由检测服务器向广告服务器通知，以用于控制第二流的产生。

5. 发明申请

US20050030901A1 System and method for rerouting circuits on SONET and SDH rings without disrupting service 有权
标题翻译：在SONET和SDH环路上重新路由电路的系统和方法，不会中断服务
公开(公告)号：US20050030901A1
公开(公告)日：2005-02-10
申请号：US10637289
申请日：2003-08-08
申请人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
IPC分类号： H04J3/08 , H04L12/26
CPC分类号： H04J3/085
摘要： A system and method for rerouting circuits on a SONET, SDH or similar ring without disrupting service. In one embodiment, the system includes: (1) a route design subsystem adapted to identify, for the circuits, alternative routes that are subject to an alignment constraint and increase an objective value associated with the ring and (2) a path migration subsystem, associated with the route design subsystem, adapted to determine a hitless migration sequence that allows the alternative routes to be employed.
摘要翻译：用于在SONET，SDH或类似环路上重新路由电路而不中断服务的系统和方法。在一个实施例中，系统包括：（1）路由设计子系统，适于为电路识别经受对准约束的替代路由并增加与环相关联的目标值，以及（2）路径迁移子系统，与路由设计子系统相关联，适于确定允许替代路由被使用的无中继迁移序列。

6. 发明授权

US08494516B2 Delivery of subscription services to roaming users through head end equipment 有权
标题翻译：通过头端设备向漫游用户提供订阅服务
公开(公告)号：US08494516B2
公开(公告)日：2013-07-23
申请号：US11399872
申请日：2006-04-07
申请人： Swarup Acharya , Bhawna Gupta , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Anurag Srivastava
IPC分类号： H04W4/00
CPC分类号： H04N7/17318 , H04N21/218 , H04N21/2221 , H04N21/4383 , H04N21/47202 , H04N21/6408 , H04N21/643 , H04N21/6433
摘要： A subscriber or other user is provided with access to a subscription service of a signal distribution system at a location remote from a home location of the user. The subscription service comprises a plurality of selectable channels available to the user at the home location. The user is assigned one of a plurality of program streams utilizable for delivery of content from the head end equipment servicing the remote location to an interface device at the remote location. By way of example, the program streams may be part of existing unicast infrastructure in the head end equipment. The head end equipment obtains content for a first channel of the subscription service available to the user at the home location, and inserts the content for the first channel into the assigned program stream to thereby make that content accessible to the user at the remote location via the interface device. User selection via the remote location interface device of a different channel of the subscription service available to the user at the home location causes the content for the different channel to be obtained by the head end equipment and inserted into the assigned program stream in place of the content for the first channel.
摘要翻译：用户或其他用户被提供在远离用户的本地位置的位置处对信号分发系统的订阅服务的访问。订阅服务包括在家庭位置可用于用户的多个可选择的频道。用户被分配为可用于从服务于远程位置的头端设备向远程位置的接口设备传送内容的多个节目流中的一个。作为示例，节目流可以是头端设备中的现有单播基础设施的一部分。头端设备获得在家庭地点可用于用户的订阅服务的第一频道的内容，并将用于第一频道的内容插入分配的节目流中，从而使该用户可在远程位置经由接口设备。通过远程位置接口设备对用户在归属位置可用的订阅服务的不同频道进行的用户选择使得头端设备获得用于不同信道的内容，并将其插入到所分配的节目流中，代替第一个频道的内容。

7. 发明授权

US07864690B2 System and method for rerouting circuits on SONET and SDH rings without disrupting service 有权
标题翻译：在SONET和SDH环路上重新路由电路的系统和方法，不会中断服务
公开(公告)号：US07864690B2
公开(公告)日：2011-01-04
申请号：US10637289
申请日：2003-08-08
申请人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
IPC分类号： H04L1/00
CPC分类号： H04J3/085
摘要： A system and method for rerouting circuits on a SONET, SDH or similar ring without disrupting service. In one embodiment, the system includes: (1) a route design subsystem adapted to identify, for the circuits, alternative routes that are subject to an alignment constraint and increase an objective value associated with the ring and (2) a path migration subsystem, associated with the route design subsystem, adapted to determine a hitless migration sequence that allows the alternative routes to be employed.
摘要翻译：用于在SONET，SDH或类似环路上重新路由电路而不中断服务的系统和方法。在一个实施例中，系统包括：（1）路由设计子系统，适于为电路识别经受对准约束的替代路由并增加与环相关联的目标值，以及（2）路径迁移子系统，与路由设计子系统相关联，适于确定允许替代路由被使用的无中继迁移序列。

8. 发明授权

US07518990B2 Route determination method and apparatus for virtually-concatenated data traffic 有权
标题翻译：用于虚拟级联数据流量的路由确定方法和装置
公开(公告)号：US07518990B2
公开(公告)日：2009-04-14
申请号：US10745881
申请日：2003-12-26
申请人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
IPC分类号： G01R31/08
CPC分类号： H04L45/00 , H04L45/22
摘要： Virtually-concatenated data traffic is routed in a network comprising at least first and second nodes. The first and second nodes may comprise a source-sink node pair, an ingress-egress node pair, or any other pair of network nodes. For a given traffic demand, a plurality of routes for routing the traffic demand through the network are determined. Each of the routes corresponds to a member of a virtually-concatenated group, such that different portions of the traffic demand are assigned to different members of the virtually-concatenated group.
摘要翻译：几乎连接的数据业务在包括至少第一和第二节点的网络中路由。第一和第二节点可以包括源 - 汇节点对，入口出口节点对或任何其它对的网络节点。对于给定的业务需求，确定用于通过网络路由业务需求的多条路由。每个路由对应于虚拟级联组的成员，使得业务需求的不同部分被分配给虚拟级联组的不同成员。

9. 发明授权

US07408881B2 Differential delay constrained routing for virtually-concatenated data traffic 有权
标题翻译：差分延迟限制了虚拟连接数据流量的路由
公开(公告)号：US07408881B2
公开(公告)日：2008-08-05
申请号：US10949638
申请日：2004-09-24
申请人： Swarup Acharya , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Pankaj Risbood , Anurag Srivastava
IPC分类号： H04J1/116
CPC分类号： H04J3/1617 , H04L45/12 , H04L45/121 , H04L45/124
摘要： Virtually-concatenated data traffic is routed in a network comprising a plurality of nodes. For a given traffic demand to be routed from a source node to a destination node in the network, an initial candidate path set satisfying a differential delay constraint is determined by arranging a plurality of paths in order of increasing delay and selecting a particular subset of the plurality of paths as the initial candidate set. A determination is then made as to whether the initial candidate path set is able to support a bandwidth requirement of the traffic demand. If the initial candidate path set is able to support the bandwidth requirement of the traffic demand, the initial candidate path set is utilized to route the traffic demand. Otherwise, the process is repeated for one or more additional iterations, with a different candidate path set satisfying the differential delay constraint being selected for a given additional iteration by application of a sliding-window function to the plurality of paths arranged in order of increasing delay, until a different candidate path satisfying the differential delay constraint is determined to support the bandwidth requirement of the traffic demand.
摘要翻译：几乎连接的数据业务在包括多个节点的网络中路由。对于从源节点到网络中的目的地节点的给定业务需求，满足差分延迟约束的初始候选路径集通过按照增加延迟的顺序排列多个路径来确定，并且选择多个路径作为初始候选集。然后确定初始候选路径集是否能够支持业务需求的带宽需求。如果初始候选路径集合能够支持业务需求的带宽需求，则利用初始候选路径集来路由业务需求。否则，对于一个或多个附加迭代重复该过程，其中通过将滑动窗口函数应用于按照增加的延迟的顺序排列的多个路径，对于给定的附加迭代来选择满足差分延迟约束的不同候选路径集合，直到满足差分延迟约束的不同候选路径被确定为支持业务需求的带宽需求。

10. 发明授权

US07317728B2 System and method for increasing provisionable bandwidth in time-division multiplexed communication links 有权
标题翻译：用于在时分复用通信链路中增加可用带宽的系统和方法
公开(公告)号：US07317728B2
公开(公告)日：2008-01-08
申请号：US10374871
申请日：2003-02-25
申请人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
发明人： Swarup Acharya , Bhawna Gupta , Pankaj Risbood , Anurag Srivastava
IPC分类号： H04L12/43
CPC分类号： H04L12/5602 , H04J2203/0067 , Y10S370/907
摘要： A system for and method of, increasing provisionable bandwidth in a multiplexed communication link and a network management system incorporating the system or the method. In one embodiment, the system includes: (1) a defragmentation calculator that calculates a defragmentation of the communication link, the defragmentation containing at least one granularity, (2) a candidate slot selector, associated with the defragmentation calculator, that finds reduced cost candidate slots for the at least one granularity and (3) a circuit mover, associated with the candidate slot selector, that identifies target slots into which circuits occupying the candidate slots can be moved.
摘要翻译：一种用于增加复用通信链路中可配置带宽的系统和方法，以及包含该系统或方法的网络管理系统。在一个实施例中，系统包括：（1）碎片整理计算器，其计算通信链路的碎片整理，包含至少一个粒度的碎片整理;（2）与碎片整理计算器相关联的候选时隙选择器，其找到降低的成本候选用于至少一个粒度的时隙和（3）与候选时隙选择器相关联的电路移动器，其识别占据候选时隙的电路可以移动到其中的目标时隙。

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