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11. 发明授权

US07620055B1 Method and apparatus for mapping an MPLS tag to a data packet in a headend 有权
标题翻译：用于将MPLS标签映射到前端中的数据分组的方法和装置
公开(公告)号：US07620055B1
公开(公告)日：2009-11-17
申请号：US11484382
申请日：2006-07-10
申请人： Kartik Chandran , Chrisanto Leano , Sunil Khaunte , Jerry D. Goodrich , Kelly Schaefer
发明人： Kartik Chandran , Chrisanto Leano , Sunil Khaunte , Jerry D. Goodrich , Kelly Schaefer
IPC分类号： H04L12/28 , H04L12/56 , H04J3/12 , H04N7/173
CPC分类号： H04L12/2801 , H04L45/50 , H04L47/10 , H04L47/2441
摘要： A method of using DOCSIS 1.1 features to allow the addition of ISPs and QOS levels to a single cable modem without having to modify the CMTS is described in the various figures. Instead of using the SID of a data packet to determine the VPN tag of a data packet (DOCSIS 1.0), a service flow is used to identify the appropriate tag. This is done using the DOCSIS 1.1 configuration file. By doing so, the need for creating additional sub-interfaces in the cable modem interface does not arise. Instead, the configuration is modified at the provisioning server, i.e., the DHCP/TFTP server.
摘要翻译：在各图中描述了使用DOCSIS 1.1特征来允许在单个电缆调制解调器上添加ISP和QOS电平而不必修改CMTS的方法。代替使用数据包的SID来确定数据包（DOCSIS 1.0）的VPN标签，使用服务流来标识适当的标签。这是使用DOCSIS 1.1配置文件完成的。通过这样做，不需要在有线调制解调器接口中创建附加的子接口。而是在配置服务器，即DHCP / TFTP服务器上修改配置。

12. 发明申请

US20070041331A1 Approach for managing the consumption of resources using adaptive random sampling 有权
标题翻译：使用自适应随机抽样管理资源消耗的方法
公开(公告)号：US20070041331A1
公开(公告)日：2007-02-22
申请号：US11207270
申请日：2005-08-19
申请人： Xiaoxue Ma , Paul Gleichauf , Ganesh Sadasivan , Sunil Khaunte , Paul Aitken
发明人： Xiaoxue Ma , Paul Gleichauf , Ganesh Sadasivan , Sunil Khaunte , Paul Aitken
IPC分类号： G06F15/173 , G01R31/08
CPC分类号： H04L43/026 , H04L43/024 , Y02D50/30
摘要： An approach for managing the consumption of resources uses adaptive random sampling to decrease the collection of flow statistical data as the consumption of resources increases. When a packet is received from a network, a determination is made whether the packet belongs to an existing flow, for which flow statistical data is being collected, or to a new flow. If the packet belongs to an existing flow, then the flow statistical data for the existing flow is updated to reflect the packet. If the packet belongs to the new flow, then a sampling probability is used to determine whether the new flow is to be sampled. The sampling probability is determined, at least in part, upon a current usage of resources.
摘要翻译：管理资源消耗的方法使用自适应随机抽样来减少流量统计数据的收集，随着资源消耗的增加。当从网络接收到分组时，确定分组是否属于正在收集流量统计数据的现有流或新流。如果分组属于现有流，则更新现有流的流统计数据以反映分组。如果分组属于新流，则采用抽样概率来确定新流是否被采样。至少部分地根据资源的当前使用来确定抽样概率。

13. 发明授权

US06621812B1 Method and apparatus for mapping voice activity detection to a scheduled access media 有权
标题翻译：将语音活动检测映射到调度的访问介质的方法和装置
公开(公告)号：US06621812B1
公开(公告)日：2003-09-16
申请号：US09225895
申请日：1999-01-04
申请人： John T. Chapman , Guenter Roeck , Sunil Khaunte
发明人： John T. Chapman , Guenter Roeck , Sunil Khaunte
IPC分类号： H04J316
CPC分类号： H04L65/607 , H04L12/2801 , H04L29/06027 , H04M2207/14 , H04M2207/203
摘要： Unsolicited grants are allocated a selected time interval for scheduling transmission of audio packets at a network endpoint. A network processing node switches from outputting unsolicited grants to polling for packet transmission requests when Voice Activity Detection (VAD) at the transmitting endpoint stops generating audio packets. The network processing node switches back to outputting unsolicited grants when the endpoint resumes generation of audio packets. The unsolicited grants include one or more additional grants within the selected time interval that flush out one or more audio packets that may already be queued for transmitting. These additional grants reduce the latency normally caused when Voice Activity Detection (VAD) stops and then restarts audio packet transmission.
摘要翻译：分配未经请求的授权以选择的时间间隔来调度在网络端点处的音频分组的传输。当发送端点的语音活动检测（VAD）停止产生音频分组时，网络处理节点切换到输出未经请求的授权到轮询分组传输请求。当端点恢复生成音频数据包时，网络处理节点切换回输出未经请求的授权。未经请求的授权包括在所选择的时间间隔内的一个或多个附加授权，其中冲洗出可能已排队等待发送的一个或多个音频分组。这些附加授权减少了语音活动检测（VAD）停止时通常导致的延迟，然后重新启动音频数据包传输。

14. 发明授权

US06594305B1 Media access layer ping protocol for diagnosing cable modem links 有权
标题翻译：介质访问层ping协议，用于诊断电缆调制解调器链路
公开(公告)号：US06594305B1
公开(公告)日：2003-07-15
申请号：US09339067
申请日：1999-06-23
申请人： Guenter E. Roeck , Wei-Sing Chen , Sunil Khaunte , Mark E. Millet
发明人： Guenter E. Roeck , Wei-Sing Chen , Sunil Khaunte , Mark E. Millet
IPC分类号： H04B138
CPC分类号： H04L12/66 , H04L41/0213 , H04L41/0681 , H04L43/045 , H04L43/065 , H04L43/0817 , H04L43/10 , H04N7/17309 , H04N21/2402 , H04N21/42676 , H04N21/4424 , H04N21/6583
摘要： Methods, apparatus, and computer-readable media are disclosed for performing diagnostic tests of a communication link between a headend and a cable modem without having to assign an IP address to the cable modem. The diagnostic tests are performed at the MAC layer and test the state of the hardware between and including the cable modem termination system (CMTS) and a selected cable modem. By doing so, a network operator is able to more easily focus in on a potential problem in cable RF/MAC connectivity between the two components by first eliminating (or identifying) a problem with hardware before focusing on problem-solving at the software level, typically at the Network layer, at which point the cable modem is assigned an IP address. A network command is received from a network operator causing the CMTS to place a service identifier corresponding to a cable modem in possible need of diagnosing into a poll list. The service identifier is placed in the poll list the number of times specified in the network command as the number of polls desired for the test. This causes the cable modem to receive a map message with a station maintenance time slot for itself from the CMTS the specified number of times. Periodic ranging is performed between the CMTS and the cable modem associated with the service identifier. If it is determined that the service identifier is in the poll list as a result of the network command, results are then evaluated from the periodic ranging and reported to the network operator as a DOCSIS ping success/failure. It is then determined whether the cable modem should remain on the poll list based on results from the periodic ranging.
摘要翻译：公开了用于执行前端和电缆调制解调器之间的通信链路的诊断测试的方法，装置和计算机可读介质，而不必为电缆调制解调器分配IP地址。诊断测试在MAC层执行，并测试电缆调制解调器终端系统（CMTS）和所选电缆调制解调器之间的硬件状态。通过这样做，网络运营商能够更加轻松地集中在两个组件之间的有线RF / MAC连接的潜在问题上，首先在着重于软件层面的问题解决之前消除（或识别）硬件问题，通常在网络层，电缆调制解调器在此时被分配一个IP地址。从网络运营商接收到网络命令，导致CMTS将可能需要诊断的电缆调制解调器的服务标识符放置在轮询列表中。将服务标识符作为测试所需的轮询数量放在轮询列表中指定的网络命令中的次数。这使得电缆调制解调器从指定次数的CMTS接收到具有自身的站维护时隙的地图消息。在CMTS和与服务标识符相关联的电缆调制解调器之间执行周期性测距。如果由于网络命令确定服务标识符在轮询列表中，则结果将从周期范围进行评估，并作为DOCSIS ping成功/失败报告给网络运营商。然后根据周期性测距的结果确定电缆调制解调器是否应保留在轮询列表上。

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