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    • 33. 发明授权
    • System and method for determining whether DOCSIS-enabled devices in a HFC cable network are co-located
    • 用于确定HFC电缆网络中的启用DOCSIS的设备是否位于同一位置的系统和方法
    • US07539145B2
    • 2009-05-26
    • US11240130
    • 2005-09-30
    • Doug SemonKenneth Gould
    • Doug SemonKenneth Gould
    • H04J1/16
    • H04L12/66
    • A system and method for determining if DOCSIS-enabled devices (DEDs) connected to an HFC cable network are co-located. Subscriber account data is acquired to determine the DEDs associated with a subscriber account. The MAC address of the DEC is used to obtain the MAC domain to which a DED is assigned and the ranging offset value associated with the DED. An alert is issued if multiple DEDs associated with a subscriber account are associated with different MAC domains. The alert signifies that DEDs associated with the account are not co-located. Where DEDs associated with an account are associated with the same MAC domain, the normalized ranging offset values associated with the subscriber's DEDs are compared to determine if the difference in their values exceeds a predetermined threshold. If the difference in their values exceeds a predetermined threshold, an alert is issued. The alert again signifies that DEDs associated with the account are not co-located.
    • 用于确定连接到HFC电缆网络的DOCSIS使能设备(DED)是否位于同一位置的系统和方法。 获取用户帐户数据以确定与用户帐户相关联的DED。 DEC的MAC地址用于获取分配了DED的MAC域和与DED相关联的测距偏移值。 如果与订户帐户相关联的多个DED与不同的MAC域相关联,则发出警报。 警报表示与帐户相关联的DED不在同一位置。 在与帐户相关联的DED与相同的MAC域相关联的情况下,与用户的DED相关联的归一化的测距偏移值进行比较,以确定其值中的差异是否超过预定阈值。 如果其值的差超过预定阈值,则发出警报。 警报再次表示与帐户相关联的DED不是共同定位的。
    • 35. 发明授权
    • System and method for controlling a digital video recorder on a cable network
    • 用于控制有线网络上的数字录像机的系统和方法
    • US07486869B2
    • 2009-02-03
    • US11001513
    • 2004-12-01
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • Paul AlexanderChristopher P. WilliamsKenneth GouldDavid Christman
    • H04N5/76
    • H04N5/76H04N7/173H04N21/4147H04N21/4334H04N21/44227H04N21/4788
    • A system and method for controlling a digital video recorder on a cable network. Signaling associated with the answering or initiation of a digital telephone call by a digital telephone subscriber is used to issue commands to a digital video recorder (DVR). A signal is generated by an MTA when the telephone is enters an “off-hook” state and sent to the DVR to initiate recording of a program being viewed by the called party. When the phone goes “on-hook”, the called party resumes watching the program from exactly where it was interrupted. The MTA may be connected directly to the VTD/DVR and the telephone state is determined by the DVR from information provided by the MTA. Alternatively, a soft switch monitors signaling from the MTA indicative of the state of the called telephone. A telephone state message comprising the telephone state information is then sent over an out-of-band channel/path to a DVR client within the VTD. The DVR client uses the telephone state information to control a DVR.
    • 一种用于控制有线网络上的数字录像机的系统和方法。 使用与数字电话用户应答或启动数字电话呼叫相关联的信令,向数字录像机(DVR)发出命令。 当电话进入“摘机”状态时,信号由MTA生成,并发送到DVR以开始对被叫方正在观看的节目的记录。 当手机“挂机”时,被叫方恢复正在中断的地方观看该节目。 MTA可以直接连接到VTD / DVR,并且电话状态由DVR从MTA提供的信息确定。 或者,软开关监视来自MTA的指示被叫电话的状态的信令。 包括电话状态信息的电话状态消息然后通过带外信道/路径发送到VTD内的DVR客户端。 DVR客户端使用电话状态信息来控制DVR。
    • 37. 发明授权
    • System and method for IP multicast
    • IP组播的系统和方法
    • US08948171B1
    • 2015-02-03
    • US13554395
    • 2012-07-20
    • Wesley E. George, IVRobert E. Seastrom
    • Wesley E. George, IVRobert E. Seastrom
    • H04L12/28
    • H04L12/18H04L45/16H04L45/748H04L47/125
    • A system and method for routing multicast packets. A multicast packet is received at an inbound interface on a switch/router. S,G data are obtained from the packet and used to search an OIL table. If the S,G data are found in the OIL table, the packet is forwarded on an outbound interface associated with the S,G data. If the S,G data are not found in the OIL table, the multicast routing table is consulted to obtain a longest match for the packet, and the packet is forwarded on the interface(s) which correspond to the longest match route. The multicast routing table may include a single entry, such that all packets that do not match an entry in the OIL are forwarded on the same outbound interface. The multicast routing table may include multiple entries with different covered ranges of (S,G).
    • 一种用于路由组播数据包的系统和方法。 交换机/路由器上的入接口收到组播报文。 S,G数据从数据包获得,用于搜索OIL表。 如果在OIL表中找到S,G数据,则在与S,G数据相关联的出接口上转发数据包。 如果在OIL表中没有找到S,G数据,则查询组播路由表以获取最长匹配的数据包,并在与最长匹配路由对应的接口上转发数据包。 组播路由表可以包括单个条目,使得与OIL中的条目不匹配的所有分组在相同的出站接口上转发。 组播路由表可以包括具有(S,G)的不同覆盖范围的多个条目。
    • 39. 发明授权
    • System and method for coordinated discovery of the status of network routes by hosts in a network
    • 网络主机协调发现网络路由状态的系统和方法
    • US08681645B2
    • 2014-03-25
    • US13035152
    • 2011-02-25
    • John Anthony Chen
    • John Anthony Chen
    • H04L12/26
    • H04L41/0893H04L45/24H04L45/28H04L45/46
    • Systems and methods for coordinated discovery of the status of network routes by hosts in a network. A plurality of host devices is connected to at least one of a plurality of egress devices. Each of the plurality of host devices is assigned to at least one cluster group. A cluster group may include one or more host devices connected to a common egress device. A master node is selected from the members of each cluster group. The master node coordinates the issuance of probe messages from the master node and other members of the cluster group to the common egress device. The probes provide the status of a network route to and through the common egress device. The master node makes the status available to the members of the cluster group. A member of the cluster group may obtain the status by communicating with the master node or by communicating with other members of its cluster group.
    • 网络主机协调发现网络路由状态的系统和方法。 多个主机设备连接到多个出口设备中的至少一个。 将多个主机设备中的每一个分配给至少一个集群组。 集群组可以包括连接到公共出口设备的一个或多个主机设备。 从每个群集组的成员中选择主节点。 主节点协调从主节点和群集组的其他成员向公共出口设备发出探测消息。 探测器提供了通过普通出口设备的网络路由的状态。 主节点使状态可用于集群组的成员。 集群组的成员可以通过与主节点通信或通过与其集群组的其他成员进行通信来获得状态。
    • 40. 发明申请
    • APPARATUS AND METHODS FOR SELECTIVE ENFORCEMENT OF SECONDARY CONTENT VIEWING
    • 选择性执行二次内容查看的装置和方法
    • US20140020017A1
    • 2014-01-16
    • US13676012
    • 2012-11-13
    • TIME WARNER CABLE INC.
    • Peter SternMichael L. LajoieMichael Angus
    • H04N21/236
    • H04N21/23611G06F21/00H04N21/222H04N21/2407H04N21/2668H04N21/2747H04N21/44204H04N21/64322H04N21/6587H04N21/812H04N21/8358
    • Methods and apparatus for selectively enforcing required insertion or viewing of secondary content, such as advertisements or promotions, in a content distribution network. In one embodiment, the network is a managed network (e.g., cable television, satellite, or the like), and the method includes identifying secondary content with a particular attribute or property (e.g., an advertisement that a user has watched before), and selectively enabling one or more “trick mode” functions relating to that secondary content. In one implementation, audio codes or watermarks are inserted into the secondary content and detected when the content is accessed or rendered; if the detected content matches a database or listing of previously played content for that user or premises, the trick mode functionality (e.g., FF or “skip”) is enabled, thereby allowing the user to bypass the content.
    • 用于在内容分发网络中选择性地执行需要插入或观看次要内容(例如广告或促销)的方法和装置。 在一个实施例中,网络是受管网络(例如,有线电视,卫星等),并且该方法包括识别具有特定属性或属性(例如,用户之前观看过的广告)的次要内容,以及 选择性地启用与所述次要内容相关的一个或多个“特技模式”功能。 在一个实现中,将音频代码或水印插入到次要内容中,并在内容被访问或呈现时被检测; 如果检测到的内容匹配数据库或者该用户或房屋的先前播放的内容的列表,则启用特技模式功能(例如,FF或“跳过”),从而允许用户绕过内容。