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    Retransmission and memory consumption tracking of data packets in a network device
    1.
    发明授权
    Retransmission and memory consumption tracking of data packets in a network device 有权
    网络设备中数据包的重传和内存消耗跟踪

    公开(公告)号：US09426079B2

    公开(公告)日：2016-08-23

    申请号：US14042655

    申请日：2013-09-30

    Applicant: Broadcom Corporation

    Inventor： David Wu ,  Darren Duane Neuman ,  Flaviu Dorin Turean ,  Rajesh Shankarrao Mamidwar ,  Anand Tongle ,  Sanjeev Sood

    IPC: H04L12/807

    CPC classification number: H04L47/27

    Abstract: A method of handling retransmission and memory consumption tracking of data packets includes storing data packets from different data channels in respective transmitter ring buffers allocated to the data channels when the data packets are not marked for retransmission, and facilitating retransmission of data packets from a specified ring buffer corresponding to a retransmission sequence number. The method also may include storing received data packets out of sequence in respective receiver ring buffers, marking a descriptor indicating a tail location of the stored data packets, and reclaiming memory space in the ring buffer based on the marked descriptor. The method may include storing a payload address associated with received data packets, marking a descriptor associated with the payload address to indicate the stored data packets have been consumed for processing, and reclaiming memory space when a register contains an indication of the stored payload address based on the marked descriptor.

    Abstract translation: 一种处理数据分组的重传和存储器消耗跟踪的方法包括：当数据分组未被标记用于重传时，将分配给数据信道的各个发射机环形缓冲器中的不同数据信道的数据分组存储，并且便于从指定的振铃 对应于重传序列号的缓冲区。 该方法还可以包括将接收到的数据分组按顺序存储在相应的接收机环形缓冲器中，标记指示存储的数据分组的尾部位置的描述符，以及基于标记的描述符回收环形缓冲器中的存储器空间。 该方法可以包括存储与接收到的数据分组相关联的有效载荷地址，标记与有效载荷地址相关联的描述符以指示所存储的数据分组已被消耗用于处理，以及当寄存器包含基于所存储的有效载荷地址的指示时，回收存储器空间 在标记描述符上。

    METHOD AND SYSTEM FOR SHARING RESOURCES FOR SETUP BOXES (STB) IN A HOME NETWORK
    2.
    发明申请
    METHOD AND SYSTEM FOR SHARING RESOURCES FOR SETUP BOXES (STB) IN A HOME NETWORK 有权
    用于家庭网络中的设置盒（STB）共享资源的方法和系统

    公开(公告)号：US20130097633A1

    公开(公告)日：2013-04-18

    申请号：US13712364

    申请日：2012-12-12

    Applicant: BROADCOM CORPORATION

    Inventor： Predrag Kostic ,  Nicos Herodotou ,  Rajesh Mamidwar ,  Sanjeev Sood

    IPC: H04N21/81

    CPC classification number: H04N21/812 ,  H04N7/106 ,  H04N21/4147 ,  H04N21/4263 ,  H04N21/4334 ,  H04N21/43622 ,  H04N21/44227

    Abstract: A STB resource sharing (RS) group of a home network comprises a plurality of STBs. In the STB RS group, a STB communicates with one or more other STBs to mutually share available device resources comprising hardware and software resources, and/or capabilities. The STB functions as an elected master (EM) or a STB RS client in the STB RS group. As an EM, the STB receives advertisements from other STBs to determine available resources. The determined available resources are announced to other STBs in the STB RS group. The STB manages the use of the determined available resources according to resource sharing requests received from other STBs. As a STB RS client, the STB advertises inherent resources to an EM of the STB RS group. The STB receives announcements from the EM for available resources in the STB RS group. The STB shares its available resources, accordingly.

    Abstract translation: 家庭网络的STB资源共享（RS）组包括多个STB。 在STB RS组中，STB与一个或多个其他STB进行通信，以相互共享包括硬件和软件资源的可用设备资源和/或能力。 STB作为STB RS组中的选举主（EM）或STB RS客户端。 作为EM，STB从其他STB接收广告以确定可用资源。 确定的可用资源被公布给STB RS组中的其他STB。 STB根据从其他STB接收到的资源共享请求来管理确定的可用资源的使用。 作为STB RS客户端，STB向STB RS组的EM通告固有资源。 STB接收来自EM的公告，用于STB RS组中的可用资源。 相应地，STB分享其可用资源。

    Adaptive audio video (AV) stream processing
    7.
    发明授权
    Adaptive audio video (AV) stream processing 有权
    自适应音视频（AV）流处理

    公开(公告)号：US09137285B2

    公开(公告)日：2015-09-15

    申请号：US14091280

    申请日：2013-11-26

    Applicant: BROADCOM CORPORATION

    Inventor： Rajesh Shankarrao Mamidwar ,  Sanjeev Sood ,  Anand Tongle ,  David Wu ,  Prashant Katre

    IPC: G06F15/16 ,  H04L29/06 ,  H04L29/08 ,  H04L12/70 ,  H04L12/933 ,  H04L12/861 ,  H04L1/18 ,  H04L12/883 ,  H04L12/64 ,  H04L12/879

    CPC classification number: H04L65/604 ,  H04L1/1874 ,  H04L49/103 ,  H04L49/206 ,  H04L49/35 ,  H04L49/9021 ,  H04L49/9026 ,  H04L49/9036 ,  H04L49/9047 ,  H04L65/607 ,  H04L67/32 ,  H04L2012/5678 ,  H04L2012/5681 ,  H04L2012/6489

    Abstract: A system for adaptive audio video (AV) stream processing may include at least one processor and a switch device. The switch device may be configured to route AV traffic to the processor, and to receive AV traffic from the processor and provide the AV traffic to a client device via one or more channels. The processor may monitor a transcoder buffer depth and depths of buffers associated with channels over which the AV traffic is being transmitted. The processor may adaptively modify one or more attributes associated with the AV traffic based at least on the monitored buffer depths. For example, the processor may adaptively adjust a bit rate associated with transcoding the AV traffic based at least on the transcoder buffer depth. The processor may utilize the depths of the buffers associated with the channels to adaptively adjust the amount of AV traffic provided for transmission over the channels.

    Abstract translation: 用于自适应音频视频（AV）流处理的系统可以包括至少一个处理器和交换设备。 交换设备可以被配置为将AV业务路由到处理器，并且从处理器接收AV业务，并且经由一个或多个信道将AV业务提供给客户端设备。 处理器可以监视代码转换器缓冲器的深度和与正在发送AV业务的信道相关联的缓冲器的深度。 至少基于所监视的缓冲器深度，处理器可以自适应地修改与AV业务相关联的一个或多个属性。 例如，处理器可以至少基于代码转换器缓冲器深度来自适应地调整与AV业务的代码转换相关联的比特率。 处理器可以利用与信道相关联的缓冲器的深度来自适应地调整提供用于通过信道传输的AV业务量。

    PIPELINED ENCRYPTION AND PACKETIZATION OF AUDIO VIDEO DATA
    8.
    发明申请
    PIPELINED ENCRYPTION AND PACKETIZATION OF AUDIO VIDEO DATA 审中-公开
    音频视频数据的管理加密和封装

    公开(公告)号：US20150082337A1

    公开(公告)日：2015-03-19

    申请号：US14092853

    申请日：2013-11-27

    Applicant: Broadcom Corporation

    Inventor： Rajesh Shankarrao MAMIDWAR ,  Francis Chi-Wai Cheung ,  Sanjeev Sood ,  Prashant Katre ,  Flaviu Dorin Turean ,  Anand Tongle ,  David ChaoHua Wu ,  Ming Chet Liew

    IPC: H04N21/2389 ,  H04N21/4627 ,  H04N21/236 ,  H04N21/2347 ,  H04N21/2365

    CPC classification number: H04N21/23895 ,  H04N21/2347 ,  H04N21/42623 ,  H04N21/4408 ,  H04N21/4627 ,  H04N21/835

    Abstract: A system for pipelined encryption and packetization of audio video (AV) data may consecutively encrypt a number of AV data units based on a security mechanism, associate the encrypted AV data units with a security header, where the security header is generated before the AV data units are encrypted, and the security header includes information related to the security mechanism, generate network packets for transporting the encrypted AV data units and the associated security header based at least in part on an order in which the AV data units are encrypted, where one or more of the network packets is generated contemporaneous with encrypting one or more of the AV data units, and provide the network packets for transport to a client device as the packets are generated, where the AV data units are encrypted and the network packets are generated without accessing memory external to the system.

    Abstract translation: 用于音频视频（AV）数据的流水线加密和分组化的系统可以基于安全机制连续加密多个AV数据单元，将加密的AV数据单元与安全报头相关联，其中在AV数据之前产生安全报头 单元被加密，并且安全报头包括与安全机制相关的信息，至少部分地基于AV数据单元被加密的顺序生成用于传输加密的AV数据单元和相关联的安全报头的网络分组，其中一个 或更多的网络分组同时生成同时加密一个或多个AV数据单元，并且在产生分组时提供用于传输到客户端设备的网络分组，其中AV数据单元被加密并且产生网络分组 无需访问系统外部的内存。

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