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    SOFTWARE DEFINED NETWORKING IN A CABLE TV SYSTEM
    22.
    发明申请
    SOFTWARE DEFINED NETWORKING IN A CABLE TV SYSTEM 审中-公开
    软件定义在电缆系统中的网络

    公开(公告)号：US20160191956A1

    公开(公告)日：2016-06-30

    申请号：US14970024

    申请日：2015-12-15

    Applicant: Cable Television Laboratories, Inc.

    Inventor： James Kim ,  Karthik Sundaresan ,  Thomas Kee

    IPC: H04N21/231 ,  H04N21/241 ,  H04N21/643

    CPC classification number: H04N21/23103 ,  H04N21/238 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/241 ,  H04N21/6118 ,  H04N21/643

    Abstract: Systems and methods presented herein provide for a software defined network (SDN) controller in a cable television system that virtualizes network elements in the cable television system to provide content delivery and data services through the virtualized network elements. In one embodiment, the SDN controller is operable in a cloud computing environment to balance data traffic through the virtualized network elements. For example, the SDN controller may abstract Layer 2 Control Protocol (L2CP) frame processing of the network elements into the cloud computing environment to relieve the network elements from the burdens of Ethernet frame processing. In this regard, the SDN controller comprises a L2CP decision module that determines how L2CP should be processed for the network elements in the cable television system.

    Abstract translation: 本文提出的系统和方法提供了有线电视系统中的软件定义网络（SDN）控制器，其虚拟化有线电视系统中的网络元件，以通过虚拟网络元件提供内容传送和数据服务。 在一个实施例中，SDN控制器可在云计算环境中操作以平衡通过虚拟网络元件的数据流量。 例如，SDN控制器可以将网元的第二层控制协议（L2CP）帧处理抽象为云计算环境，以缓解网元从以太网帧处理的负担。 在这方面，SDN控制器包括L2CP决定模块，其确定如何处理有线电视系统中的网络元件的L2CP。

    Network address translation
    23.
    发明授权
    Network address translation 有权
    网络地址转换

    公开(公告)号：US09380021B2

    公开(公告)日：2016-06-28

    申请号：US14188142

    申请日：2014-02-24

    Applicant: Cable Television Laboratories, Inc.

    Inventor： Vikas Sarawat ,  Karthik Sundaresan ,  Christopher J. Donley ,  Christopher Grundemann

    IPC: H04L29/12

    CPC classification number: H04L61/256 ,  H04L61/2514 ,  H04L61/2532

    Abstract: Address translation sufficient for use in translating addresses included in messages carried or otherwise transmitted between inside and outside network is contemplated. The contemplated address translation may facilitate operation of a network address translator (NAT), carrier grade network address translator (CGN), or other device similarly configured to facilitate translating inside addresses used to address messages carried over the inside network relative to outside addresses used to facilitate carrying messages over the outside network.

    Abstract translation: 预期足以用于翻译包含在内网和外网之间传送或以其他方式传输的消息中的地址的地址转换。 预期的地址转换可以促进网络地址转换器（NAT），运营商级网络地址转换器（CGN）或类似配置的其他设备的操作，以便于翻译用于在内部网络中传送的内部地址的内部地址相对于用于 便于通过外部网络传送信息。

    Systems and methods for detecting and grouping anomalies in data
    24.
    发明授权
    Systems and methods for detecting and grouping anomalies in data 有权

    公开(公告)号：US12112241B2

    公开(公告)日：2024-10-08

    申请号：US16577699

    申请日：2019-09-20

    Applicant: CABLE TELEVISION LABORATORIES, INC.

    Inventor： Jingjie Zhu ,  Karthik Sundaresan

    IPC: G06N20/00 ,  G06F17/18

    CPC classification number: G06N20/00 ,  G06F17/18

    Abstract: The present disclosure generally relates to apparatus, software and methods for detecting anomalous elements in data. For example, the data can be any time series, such as but not limited to radio frequency data, temperature data, stock data, or production data. Each type of data may be susceptible to repeating phenomena that produce recognizable features of anomalous elements. In some embodiments, the features can be characterized as known patterns and used to train a machine learning model via supervised learning to recognize those features in a new data series.

    Content centric networking systems and methods
    26.
    发明授权
    Content centric networking systems and methods 有权

    公开(公告)号：US11689387B1

    公开(公告)日：2023-06-27

    申请号：US17694637

    申请日：2022-03-14

    Applicant: CABLE TELEVISION LABORATORIES, INC.

    Inventor： Gregory C. White ,  Karthik Sundaresan

    IPC: H04L12/46 ,  H04Q11/00 ,  H04L12/28 ,  H04L67/63

    CPC classification number: H04L12/4633 ,  H04L12/2801 ,  H04L67/63 ,  H04Q11/0067 ,  H04Q2011/0079

    Abstract: Methods, systems, and devices for Content-Centric Networking (CCN) are described. In some cases, a node may receive a CCN packet from an upstream node and communicate the CCN packet to one or more downstream nodes (e.g., that previously requested the CCN packet). In a first case, the node may establish a persistent internet protocol (IP) tunnel with the downstream node and communicate the CCN packet to the downstream node by the persistent IP tunnel. Here, a cable modem between the node and the downstream node may not decode the CCN packet. In a second case, the node may append an identifier to the CCN packet prior to communicating the CCN packet to the one or more downstream nodes. Here, the identifier may indicate to the downstream nodes which CCN packets are relevant to the downstream node.

    Systems and methods for selecting a spectral segment for a downlink transmission
    27.
    发明授权
    Systems and methods for selecting a spectral segment for a downlink transmission 有权

    公开(公告)号：US11082171B2

    公开(公告)日：2021-08-03

    申请号：US16593767

    申请日：2019-10-04

    Applicant: CABLE TELEVISION LABORATORIES, INC.

    Inventor： Karthik Sundaresan ,  Jingjie Zhu

    IPC: H04L5/00 ,  H04L27/26

    Abstract: The present disclosure generally relates to systems, methods and software for selecting a spectral segment for important downlink and/or uplink transmissions. Particularly, the spectral segment may be a set of contiguous subcarriers within a plurality of subcarriers transmitting over a channel to a population of cable modems. In an embodiment, the systems, methods and software disclosed herein optimize placement of a physical link channel (PLC) within an OFDM channel. In an embodiment, the system, methods and software disclosed herein optimize placement of a ranging region within an OFDMA channel.

    mDNS-DNS architecture
    30.
    发明授权
    mDNS-DNS architecture 有权
    mDNS-DNS架构

    公开(公告)号：US09479422B2

    公开(公告)日：2016-10-25

    申请号：US13836948

    申请日：2013-03-15

    Applicant: Cable Television Laboratories, Inc.

    Inventor： Karthik Sundaresan ,  Christopher Donley ,  Christopher Grundemann ,  Vikas Sarawat

    IPC: H04L12/24 ,  H04L12/715 ,  H04L29/08 ,  H04L29/12 ,  H04L12/761

    CPC classification number: H04L45/04 ,  H04L45/16 ,  H04L61/1511 ,  H04L67/16

    Abstract: An architecture, such as but not necessarily limited to an architecture sufficient to facilitate service discovery within a network having two or more local area networks (LANs), is contemplated. The architecture may be employed in a router, gateway or other device configured to facilitate signaling between multiple routed networks, such as to facilitate service discovery across multiple routed networks.

    Abstract translation: 考虑到诸如但不一定限于足以促进具有两个或多个局域网（LAN）的网络内的服务发现的架构。 该架构可以用于路由器，网关或其他被配置为促进多路由网络之间的信令的设备，例如有助于跨多个路由网络的业务发现。

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