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1. 发明授权

US07801040B1 Node registration technique implemented in access networks 有权
标题翻译：节点注册技术在接入网中实现
公开(公告)号：US07801040B1
公开(公告)日：2010-09-21
申请号：US11865520
申请日：2007-10-01
申请人： Hemant Singh , De Fu Li , Mark Millet
发明人： Hemant Singh , De Fu Li , Mark Millet
IPC分类号： H04J1/16
CPC分类号： H04J3/0682 , H04L12/2801
摘要： In one embodiment a technique is disclosed for facilitating communication between nodes and a head end of an access network including a head end, at least one shared access upstream channel and at least one downstream channel. A first insertion rate estimate is determined. In at least one embodiment, the first insertion rate estimate may relate to an estimated number of nodes attempting to sign-on to the access network during one or more time interval(s). In at least one embodiment, a frequency of occurrence of initial maintenance opportunities available to a first plurality of network nodes may be dynamically adjusted, for example, using data relating to the first insertion rate estimate. According to one embodiment where the access network corresponds to a cable network, the head end of the cable network may be operable to sign on at least 40,000 cable modems within a time interval of not more than 300 seconds.
摘要翻译：在一个实施例中，公开了一种用于促进节点与包括头端，至少一个共享访问上行信道和至少一个下游信道的接入网络的前端之间的通信的技术。确定第一插入率估计。在至少一个实施例中，第一插入速率估计可以涉及在一个或多个时间间隔期间尝试登录到接入网络的节点的估计数量。在至少一个实施例中，可以例如使用与第一插入率估计有关的数据来动态地调整第一多个网络节点可用的初始维护机会的发生频率。根据访问网络对应于有线网络的一个实施例，电缆网络的头端可以用于在不超过300秒的时间间隔内登录至少40,000个电缆调制解调器。

2. 发明授权

US08102854B2 Neighbor discovery proxy with distributed packet inspection scheme 有权
标题翻译：具有分布式数据包检测方案的邻居发现代理
公开(公告)号：US08102854B2
公开(公告)日：2012-01-24
申请号：US12192935
申请日：2008-08-15
申请人： Hemant Singh , William Beebee , Madhu Sudan , Joshua Littlefield
发明人： Hemant Singh , William Beebee , Madhu Sudan , Joshua Littlefield
IPC分类号： H04L12/56
CPC分类号： H04L12/2801 , H04L12/66 , H04L45/00
摘要： A network device is to receive traffic including neighbor discovery messages from requesting customer devices, and can detect the neighbor discovery messages within the traffic according to a distributed inspection scheme that includes the network device and a remote component. The network device is to then examine the neighbor discovery messages to determine if the neighbor discovery message should be forwarded to other of the customer devices, and respond to the requesting customer devices.
摘要翻译：网络设备是从请求客户设备接收包括邻居发现消息的流量，并且可以根据包括网络设备和远程组件的分布式检查方案来检测流量内的邻居发现消息。网络设备然后检查邻居发现消息，以确定邻居发现消息是否应转发给其他客户设备，并响应请求的客户设备。

3. 发明申请

US20080009544A1 Pharmaceutical Composition Useful as Acetylcholinesterase Inhibitors 有权
标题翻译：用作乙酰胆碱酯酶抑制剂的药物组合物
公开(公告)号：US20080009544A1
公开(公告)日：2008-01-10
申请号：US11688359
申请日：2007-03-20
申请人： Janaswamy Rao , Bhimapaka Raju , Pullela Srinivas , Katragadda Babu , Jhillu Yadav , Kondapuram Raghvan , Hemant Singh , Chandiswar Nath
发明人： Janaswamy Rao , Bhimapaka Raju , Pullela Srinivas , Katragadda Babu , Jhillu Yadav , Kondapuram Raghvan , Hemant Singh , Chandiswar Nath
IPC分类号： A61K31/353 , A61P25/28
CPC分类号： A61K31/37
摘要： A pharmaceutical composition useful as acetylcholinesterase inhibitors. The present invention relates to pharmaceutical composition comprising the naturally occurring compounds selected from (±) Marmesin, Columbianetin, Dihydroxanthyletin and substituted coumarin derivatives of 7-allyloxy coumarin, 7-benzyloxy coumarin, 7-methoxy coumarin, 7-acetyloxy coumarin, 4-methyl-7-hydroxy coumarin and 4-methyl-7-acetyloxy coumarin. The said compositions posses a high degree of acetylcholinesterase inhibitory (AChE) property.
摘要翻译：用作乙酰胆碱酯酶抑制剂的药物组合物。本发明涉及包含天然存在的化合物的药物组合物，所述化合物选自（±）马尔西辛，哥伦比亚甜素，二羟基黄酮和7-烯丙氧基香豆素的取代香豆素衍生物，7-苄氧基香豆素，7-甲氧基香豆素，7-乙酰氧基香豆素，4-甲基 -7-羟基香豆素和4-甲基-7-乙酰氧基香豆素。所述组合物具有高度的乙酰胆碱酯酶抑制（AChE）特性。

4. 发明授权

US08886834B2 Hot standby neighbor discovery protocol for internet protocol version 6 有权
标题翻译：互联网协议版本6的热备份邻居发现协议
公开(公告)号：US08886834B2
公开(公告)日：2014-11-11
申请号：US12967387
申请日：2010-12-14
申请人： Hemant Singh , William Beebee , Madhu Sudan
发明人： Hemant Singh , William Beebee , Madhu Sudan
IPC分类号： G06F15/16 , H04L12/66 , H04L12/751 , H04L12/24 , H04L29/08 , H04L29/14
CPC分类号： H04L12/66 , H04L41/0663 , H04L45/02 , H04L67/142 , H04L67/145 , H04L69/40
摘要： Techniques are provided herein for receiving synchronization messages at a second network device that is in a hot standby configuration from a first network device that is maintaining Internet Protocol version 6 (IPv6) state machines for one or more neighbor devices. The synchronization messages are configured to indicate an IPv6 state for each state machine maintained in the first network device. An IPv6 state for corresponding state machines is updated in the second network device based on the synchronization messages such that the IPv6 states in the second network device allows the second network device to actively process IPv6 traffic for the one or more neighbor devices upon traffic switchover from the first network device to the second network device without restarting the corresponding IPv6 state machine associated with each of the one or more neighbor devices in the second network device. The roles of the first and second device with respect to active and standby state are reversed after a switchover.
摘要翻译：本文提供了用于在处于来自维护用于一个或多个相邻设备的因特网协议版本6（IPv6）状态机的第一网络设备的处于热备用配置的第二网络设备处接收同步消息的技术。同步消息被配置为指示在第一网络设备中维护的每个状态机的IPv6状态。基于同步消息，在第二网络设备中更新对应状态机的IPv6状态，使得第二网络设备中的IPv6状态允许第二网络设备在流量切换时主动处理一个或多个相邻设备的IPv6流量所述第一网络设备到所述第二网络设备，而不重新启动与所述第二网络设备中的所述一个或多个相邻设备中的每一个相关联的相应的IPv6状态机。第一个和第二个设备在主动和待机状态下的角色在切换后是相反的。

5. 发明授权

US08437360B2 Stateful DHCPv6 relay agent in a cable modem termination system 有权
标题翻译：状态DHCPv6中继代理在电缆调制解调器终端系统中
公开(公告)号：US08437360B2
公开(公告)日：2013-05-07
申请号：US11939647
申请日：2007-11-14
申请人： Hemant Singh , Madhu Sudan , Shengyou Zeng
发明人： Hemant Singh , Madhu Sudan , Shengyou Zeng
IPC分类号： H04L12/28 , H04L12/56 , H04J3/24 , G06F15/173
CPC分类号： H04N21/64322 , H04L61/2015 , H04L61/6022 , H04L61/6059 , H04N21/41 , H04N21/443 , H04N21/6118
摘要： A CMTS or other data aggregation component having a DHCPv6 relay agent extracts a Media Access Control (MAC) address of an end device from a data packet received from an end device. A DHCPv6 data frame is created for transmission to a DHCPv6 server. The MAC address may be inserted into a specific option of the DHCPv6 data frame, where data in the option may not be processed by the server and are echoed back to the aggregation component or CMTS. The DHCPv6 data frame is transmitted to the DHCPv6 server. The component receives a response message from the server that may contain the MAC address or similar client hardware address as it was sent to the server by the network component. The network component may determine an outgoing port interface from which the response message should be sent, utilizing the MAC address and an interface bundling table. In this manner, interface bundling may be enabled.
摘要翻译：具有DHCPv6中继代理的CMTS或其他数据聚合组件从从终端设备接收的数据分组中提取终端设备的媒体访问控制（MAC）地址。创建DHCPv6数据帧以传输到DHCPv6服务器。 MAC地址可以插入到DHCPv6数据帧的特定选项中，其中该选项中的数据可能不被服务器处理，并被回送到聚合组件或CMTS。 DHCPv6数据帧发送到DHCPv6服务器。该组件从服务器接收可能包含由网络组件发送到服务器的MAC地址或类似客户端硬件地址的响应消息。网络组件可以使用MAC地址和接口绑定表来确定应该从中发送响应消息的出端口接口。以这种方式，可以启用接口捆绑。

6. 发明申请

US20110182295A1 AUTOMATICALLY IDENTIFYING AN EDGE-FACING ROUTER 有权
标题翻译：自动识别边缘路由器
公开(公告)号：US20110182295A1
公开(公告)日：2011-07-28
申请号：US12692367
申请日：2010-01-22
申请人： Hemant Singh , William Beebee, JR. , Ralph Droms , Ole Troan
发明人： Hemant Singh , William Beebee, JR. , Ralph Droms , Ole Troan
IPC分类号： H04L12/56
CPC分类号： H04L41/0803 , H04L29/12226 , H04L41/0816 , H04L61/2015 , H04L61/6059
摘要： Techniques for automatically identifying an edge-facing router in a network are provided.
摘要翻译：提供了一种用于自动识别网络中边缘路由器的技术。

7. 发明授权

US07103067B1 Mechanism for translating between two different voice-over-IP protocols 有权
标题翻译：在两种不同的IP语音协议之间进行翻译的机制
公开(公告)号：US07103067B1
公开(公告)日：2006-09-05
申请号：US10026273
申请日：2001-12-21
申请人： Hemant Singh , William G. Guckel
发明人： Hemant Singh , William G. Guckel
IPC分类号： H04J3/22 , H04L12/66
CPC分类号： H04L65/1043 , H04L29/06027 , H04L65/1006 , H04L65/103 , H04L65/1033 , H04L65/104 , H04L69/08
摘要： Disclosed are methods and apparatus for translating data within a cable network between a first voice-over-IP (VOIP) protocol used by a user agent and a second VOIP protocol used by a call management server, or other type of call receiver. In one embodiment, data from an SIP (Session Initiation Protocol) user agent is translated for an NCS (Network Call Signaling) call management server. In one implementation, translation mechanisms are provided within the customer premises equipment in which the respective user agent is also configured.
摘要翻译：公开了用于在由用户代理使用的第一语音IP（VOIP）协议和呼叫管理服务器或其他类型的呼叫接收机使用的第二VOIP协议之间的电缆网络内翻译数据的方法和装置。在一个实施例中，为NCS（网络呼叫信令）呼叫管理服务器转换来自SIP（会话发起协议）用户代理的数据。在一个实施方式中，在客户驻地设备中提供翻译机制，其中还配置相应的用户代理。

8. 发明授权

US09184930B2 Detection and support of a dual-stack capable host 有权
标题翻译：检测和支持双堆栈主机
公开(公告)号：US09184930B2
公开(公告)日：2015-11-10
申请号：US12480623
申请日：2009-06-08
申请人： Hemant Singh , William Beebee , Madhu Sudan
发明人： Hemant Singh , William Beebee , Madhu Sudan
IPC分类号： H04L12/28 , H04L29/12
CPC分类号： H04L12/2801 , H04L61/2015 , H04L61/2076 , H04L61/6086
摘要： A network processing device is configured to receive a configuration message from a host device and forward the configuration message to a server. The configuration message can be configured to request the server assign an Internet Protocol (IP) address to the host device. The network processing device can be configured to send at least one probe message to the host device responsive to receiving the configuration message. The network processing device can be configured to determine whether the host device intends to continue utilizing a previously assigned IP address in addition to the IP address requested by the configuration message based, at least in part, on any responses to the at least one probe message received from the host device.
摘要翻译：网络处理设备被配置为从主机设备接收配置消息，并将配置消息转发到服务器。配置消息可以被配置为请求服务器向主机设备分配互联网协议（IP）地址。网络处理设备可以被配置为响应于接收到配置消息而向主机设备发送至少一个探测消息。网络处理设备可以被配置为至少部分地基于对至少一个探测消息的任何响应来确定除了配置消息所请求的IP地址之外，主机设备是否继续继续利用先前分配的IP地址从主机设备接收。

9. 发明授权

US08576857B2 Automatically identifying an edge-facing router 有权
标题翻译：自动识别边缘路由器
公开(公告)号：US08576857B2
公开(公告)日：2013-11-05
申请号：US12692367
申请日：2010-01-22
申请人： Hemant Singh , William Beebee, Jr. , Ralph Droms , Ole Troan
发明人： Hemant Singh , William Beebee, Jr. , Ralph Droms , Ole Troan
IPC分类号： H04L12/56
CPC分类号： H04L41/0803 , H04L29/12226 , H04L41/0816 , H04L61/2015 , H04L61/6059
摘要： Techniques for automatically identifying an edge-facing router in a network are provided. In one technique, data is obtained at a first router of a subscriber network. The data may be included in a DHCP message or a NDP RA message. The first router determines, based on the data, whether the first router is a service provider (SP)-facing router, which is a router that is coupled to a SP router and no other router in the subscriber network is logically between the SP-facing router and the SP router. If it is determined that the first router is an SP-facing router, then the first router stores identification data that identifies the first router as an SP-facing router. Otherwise, the first router stores identification data that identifies the first router as a non-SP-facing router.
摘要翻译：提供了一种用于自动识别网络中边缘路由器的技术。在一种技术中，在用户网络的第一路由器处获得数据。数据可以包括在DHCP消息或NDP RA消息中。第一路由器基于数据确定第一路由器是否是服务提供商（SP）路由器，其是耦合到SP路由器的路由器，并且订户网络中的其他路由器在逻辑上在SP- 面向路由器和SP路由器。如果确定第一路由器是面向SP的路由器，则第一路由器将标识第一路由器的标识数据存储为面向SP的路由器。否则，第一路由器将标识第一路由器的识别数据存储为非面向SP的路由器。

10. 发明授权

US07957305B2 Hierarchical cable modem clone detection 有权
标题翻译：分层电缆调制解调器克隆检测
公开(公告)号：US07957305B2
公开(公告)日：2011-06-07
申请号：US11465107
申请日：2006-08-16
申请人： Shengyou Zeng , Hemant Singh
发明人： Shengyou Zeng , Hemant Singh
IPC分类号： H04L12/26 , H04L12/28 , H04B3/46
CPC分类号： H04L61/6022 , G06F2221/2129 , H04L12/2801 , H04L29/12264 , H04L29/12839 , H04L41/12 , H04L61/2046 , H04L63/0876 , H04L63/1458 , H04L67/1002 , H04N21/25841
摘要： A hierarchical cable modem clone detection system: A cable modem clone detection system uses a cable modem media access control (MAC) address and physical location information such as information relating to a cable interface, upstream and downstream port numbers, fiber node information, and load balancing group descriptors to determine if a cable modem is a clone. The hierarchical approach first make a clone determination at a cable modem termination system, then at a regional operations center and finally at a network operations center.
摘要翻译：分层电缆调制解调器克隆检测系统：电缆调制解调器克隆检测系统使用有线调制解调器媒体访问控制（MAC）地址和物理位置信息，例如有关电缆接口，上游和下游端口号，光纤节点信息和负载的信息平衡组描述符以确定电缆调制解调器是否是克隆。分级方法首先在电缆调制解调器终端系统上进行克隆确定，然后在区域操作中心，最后在网络操作中心进行克隆确定。

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