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    NETWORK-OPTIMIZED CONTENT DELIVERY FOR HIGH DEMAND NON-LIVE CONTENTS
    24.
    发明申请
    NETWORK-OPTIMIZED CONTENT DELIVERY FOR HIGH DEMAND NON-LIVE CONTENTS 有权
    网络优化内容交付高需求非活动内容

    公开(公告)号：US20150032808A1

    公开(公告)日：2015-01-29

    申请号：US14516027

    申请日：2014-10-16

    Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.

    Inventor： Elysia C. Tan ,  Han Nguyen

    IPC: H04L12/18 ,  H04L29/08 ,  H04L29/06

    CPC classification number: H04L67/2842 ,  G06F17/30132 ,  H04L12/18 ,  H04L12/1836 ,  H04L12/1868 ,  H04L12/1881 ,  H04L65/4069 ,  H04L65/4076 ,  H04L65/60 ,  H04L67/06 ,  H04L67/10 ,  H04L67/1097 ,  H04L67/42 ,  H04L2012/5642

    Abstract: A method, apparatus and computer-readable storage medium distribute a non-live content stream in a network. An initial meta-file is transmitted in response to a request for the content, which identifies a division of the content stream into blocks, and available sources for delivery of the blocks. The initial meta-file can identify a first multicast and a second multicast server, assigning a first and second portion of the blocks for delivery using the first and second multicast source server, respectively. The first and second portions are transmitted using the first and second multicast source servers, respectively. The first and second portions correspond to distinct non-overlapping portions of the non-live content stream. The initial meta-file can also identify a unicast source server, assigning a third portion of the blocks for delivery using the unicast source server, the third potion being transmitted by the unicast source server.

    Abstract translation: 方法，装置和计算机可读存储介质在网络中分发非实况内容流。 响应于对内容的请求而发送初始元文件，该内容标识内容流到块的划分以及用于传递块的可用源。 初始元文件可以识别第一组播和第二组播服务器，分别使用第一和第二组播源服务器分配用于传送的块的第一和第二部分。 第一和第二部分分别使用第一和第二组播源服务器传输。 第一和第二部分对应于非活动内容流的不同的非重叠部分。 初始元文件还可以识别单播源服务器，使用单播源服务器分配用于传送的块的第三部分，第三部分由单播源服务器发送。

    Extending Distributed Hash Table-Based Software Network Functions to Switching Hardware
    26.
    发明申请
    Extending Distributed Hash Table-Based Software Network Functions to Switching Hardware 有权

    公开(公告)号：US20220029920A1

    公开(公告)日：2022-01-27

    申请号：US17492831

    申请日：2021-10-04

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Abhigyan ,  Kaustubh Joshi ,  Han Nguyen ,  Edward Daniels

    IPC: H04L12/803 ,  H04L29/08 ,  H04L12/771

    Abstract: According to one aspect disclosed herein, a system can include a set of node peers, including a first subset implemented in software and a second subset implemented in hardware. The first subset can include a software node. The second subset can include a hardware node that includes a hardware cache, a processor, and a memory that stores computer-executable instructions. The hardware node can receive, from a network, a packet, and can determine if data that identifies a path associated with the packet is stored in the hardware cache. If not, the hardware node can query the software node to identify the path associated with the packet, and can receive, in response from the software node, the data that identifies the path, which then can be stored in the hardware cache. The hardware node can forward, along the path, the packet to a network element.

    METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO PROVIDE A MULTICAST VIRTUAL PRIVATE NETWORK (MVPN)
    29.
    发明申请
    METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO PROVIDE A MULTICAST VIRTUAL PRIVATE NETWORK (MVPN) 有权
    方法，设备和制造商提供多媒体虚拟私有网络（MVPN）

    公开(公告)号：US20160080264A1

    公开(公告)日：2016-03-17

    申请号：US14954535

    申请日：2015-11-30

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Huajin Jeng ,  Pravin Kumar Johri ,  Han Nguyen ,  Samir Saad

    IPC: H04L12/741 ,  H04L12/761 ,  H04L12/18 ,  H04L12/26 ,  H04L12/723

    CPC classification number: H04L45/745 ,  H04L12/18 ,  H04L12/1836 ,  H04L43/10 ,  H04L45/16 ,  H04L45/50

    Abstract: Methods, apparatus, and articles of manufacture to provide a multicast virtual private network (MVPN) are disclosed. An example method to transmit multicast data over a communication network includes: determining an upstream hop of a multicast transmission based on a received hierarchical ingress replication route; storing a downstream hop and the upstream hop of the multicast transmission in a multicast routing table; monitoring the multicast transmission occurring via an area border router; in response to detecting at least one of a) a threshold fan-out of the multicast transmission or b) a threshold data rate from a source of the multicast transmission, converting a logical topology of the multicast transmission; and in response to receiving a multicast data packet of the multicast transmission, replicating the multicast data packet with the processor based on the downstream hop.

    Abstract translation: 公开了提供组播虚拟专用网（MVPN）的方法，装置和制造。 一种通过通信网络传输组播数据的示例方法包括：基于接收到的分级入侵复制路由确定组播传输的上行跳数; 将组播传输的下游跳和上游跳存储在组播路由表中; 监视通过区域边界路由器发生的组播传输; 响应于检测到a）所述多播传输的阈值扇出中的至少一个或b）来自所述多播传输源的阈值数据速率，转换所述多播传输的逻辑拓扑; 并且响应于接收到所述多播传输的多播数据分组，基于所述下游跳与所述处理器复制所述多播数据分组。

    NETWORK-OPTIMIZED CONTENT DELIVERY FOR HIGH DEMAND NON-LIVE CONTENTS
    30.
    发明申请
    NETWORK-OPTIMIZED CONTENT DELIVERY FOR HIGH DEMAND NON-LIVE CONTENTS 审中-公开
    网络优化内容交付高需求非活动内容

    公开(公告)号：US20150350368A1

    公开(公告)日：2015-12-03

    申请号：US14823612

    申请日：2015-08-11

    Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.

    Inventor： Elysia C. Tan ,  Han Nguyen

    IPC: H04L29/08 ,  G06F17/30

    CPC classification number: H04L67/2842 ,  G06F16/172 ,  H04L12/18 ,  H04L12/1836 ,  H04L12/1868 ,  H04L12/1881 ,  H04L65/4069 ,  H04L65/4076 ,  H04L65/60 ,  H04L67/06 ,  H04L67/10 ,  H04L67/1097 ,  H04L67/42 ,  H04L2012/5642

    Abstract: A method, apparatus and computer-readable storage medium distribute a non-live content stream in a network. An initial meta-file is transmitted in response to a request for the content, which identifies a division of the content stream into blocks, and available sources for delivery of the blocks. The initial meta-file can identify a first multicast and a second multicast server, assigning a first and second portion of the blocks for delivery using the first and second multicast source server, respectively. The first and second portions are transmitted using the first and second multicast source servers, respectively. The first and second portions correspond to distinct non-overlapping portions of the non-live content stream. The initial meta-file can also identify a unicast source server, assigning a third portion of the blocks for delivery using the unicast source server, the third portion being transmitted by the unicast source server.

    Abstract translation: 方法，装置和计算机可读存储介质在网络中分发非实况内容流。 响应于对内容的请求而发送初始元文件，该内容标识内容流到块的划分以及用于传递块的可用源。 初始元文件可以识别第一组播和第二组播服务器，分别使用第一和第二组播源服务器分配用于传送的块的第一和第二部分。 第一和第二部分分别使用第一和第二组播源服务器传输。 第一和第二部分对应于非活动内容流的不同的非重叠部分。 初始元文件还可以识别单播源服务器，使用单播源服务器分配用于传送的块的第三部分，第三部分由单播源服务器发送。

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