公开(公告)号：US20150071296A1

公开(公告)日：2015-03-12

申请号：US14151690

申请日：2014-01-09

Applicant: BROADCOM CORPORATION

Inventor： Rajesh Shankarrao MAMIDWAR ,  Darren Duane NEUMAN ,  Flaviu Dorin TUREAN ,  David ChaoHua WU ,  Anand TONGLE ,  Sanjeev SOOD ,  Prashant KATRE ,  Predrag KOSTIC

IPC: H04L29/06

CPC classification number: H04L65/1023 ,  H04L65/60

Abstract: A device for decoupling audio-video (AV) traffic processing from non-AV traffic processing may include a first processor and a second processor. The first processor may be configured to establish a network connection with a client device, determine whether the network connection is associated with AV traffic, transfer the network connection to a second processor when the network connection is associated with AV traffic, and process non-AV traffic associated with the network connection when the network connection is not associated with AV traffic. The second processor may be configured to receive the network connection from the first processor and process the AV traffic associated with the network connection.

Abstract translation: 用于将音频 - 视频（AV）流量处理与非AV流量处理分离的设备可以包括第一处理器和第二处理器。 第一处理器可以被配置为与客户端设备建立网络连接，确定网络连接是否与AV业务相关联，当网络连接与AV业务相关联时，将网络连接传送到第二处理器，并处理非AV 当网络连接不与AV流量相关联时，与网络连接相关联的流量。 第二处理器可以被配置为从第一处理器接收网络连接并处理与网络连接相关联的AV业务。

公开(公告)号：US20150085863A1

公开(公告)日：2015-03-26

申请号：US14072744

申请日：2013-11-05

Applicant: BROADCOM CORPORATION

Inventor： David WU ,  Darren Duane NEUMAN ,  Flaviu Dorin TUREAN ,  Rajesh Shankarrao MAMIDWAR ,  Anand TONGLE ,  Predrag KOSTIC

IPC: H04L12/747

CPC classification number: H04L45/742 ,  H04L49/901 ,  H04L49/9042 ,  H04L49/9047 ,  H04L49/9078

Abstract: A system for efficient memory bandwidth utilization may include a depacketizer, a packetizer, and a processor core. The depacketizer may generate header information items from received packets, where the header information items include sufficient information for the processor core to process the packets without accessing the payloads from off-chip memory. The depacketizer may accumulate multiple payloads and may write the multiple payloads to the off-chip memory in a single memory transaction when a threshold amount of the payloads have been accumulated. The processor core may receive the header information items and may generate a single descriptor for accessing multiple payloads corresponding to the header information items from the off-chip memory. The packetizer may generate a header for each payload based at least on on-chip information and without accessing off-chip memory. Thus, the subject system provides efficient memory bandwidth utilization, e.g. at least by reducing the number of off-chip memory accesses.

Abstract translation: 用于有效的存储器带宽利用的系统可以包括解包器，打包器和处理器核。 解包器可以从接收到的分组中生成报头信息项，其中报头信息项包括用于处理核心处理分组的足够信息，而不从片外存储器访问有效载荷。 解复用器可以累积多个有效载荷，并且可以在累积有效载荷的阈值量时在单个存储器事务中将多个有效载荷写入到片外存储器。 处理器核心可以接收标题信息项，并且可以生成用于从片外存储器访问对应于标题信息项的多个有效载荷的单个描述符。 打包器可以至少基于片上信息并且不访问片外存储器来为每个有效载荷生成头部。 因此，主题系统提供有效的存储器带宽利用，例如。 至少通过减少片外存储器访问的数量。

公开(公告)号：US20150081865A1

公开(公告)日：2015-03-19

申请号：US14072745

申请日：2013-11-05

Applicant: BROADCOM CORPORATION

Inventor： Predrag KOSTIC ,  Darren Duane NEUMAN ,  David WU ,  Anand TONGLE ,  Rajesh Shankarrao MAMIDWAR ,  Milomir ALEKSIC

IPC: H04L12/70

CPC classification number: H04L49/505

Abstract: A system for lossless switching of traffic in a network device may be implemented when a network switch is integrated into a gateway device, or with any other data source. A processor of the gateway device may receive queue depth information for queues of the network switch. The processor may prevent data from being transmitted to congested queues of the network switch, while allowing data to be transmitted to uncongested queues. In this manner, data loss can be avoided through the network switch for data sourced from the gateway device, such as audio-video data retrieved from a hard drive, audio-video data received from a tuner, etc. Furthermore, re-transmission at higher layers can be reduced. Since the subject system observes congestion for each individual queue, only traffic destined to that particular, congested, queue is affected, e.g. paused. Traffic to non-congested queues is not affected, regardless of traffic class or egress port.

Abstract translation: 当网络交换机集成到网关设备或与任何其他数据源时，可以实现用于网络设备中的业务的无损切换的系统。 网关设备的处理器可以接收网络交换机队列的队列深度信息。 处理器可以防止数据被发送到网络交换机的拥塞队列，同时允许数据被发送到未被占用的队列。 以这种方式，可以通过用于从网关设备获取的数据的网络交换机（例如从硬盘驱动器检索的音频 - 视频数据，从调谐器接收的音频 - 视频数据）等来避免数据丢失。此外， 可以降低更高的层数。 由于主体系统观察到每个单独队列的拥塞，所以仅限于该特定的拥塞队列的业务受到影响。 暂停了 对非拥塞队列的流量不受流量级别或出口端口的影响。