公开(公告)号：US20150071300A1

公开(公告)日：2015-03-12

申请号：US14025607

申请日：2013-09-12

Applicant: STMicroelectronics, Inc. ,  Cisco Technology, Inc.

Inventor： Gale L. SHALLOW ,  Benjamin Nelson DARBY ,  Jonathan EVANS ,  Maynard Darvel HAMMOND ,  Zhifang J. NI ,  Charaf HANNA

IPC: H04L12/823 ,  H04L12/873

CPC classification number: H04L47/323 ,  H04L45/7453 ,  H04L47/193 ,  H04N21/61 ,  H04N21/6118

Abstract: A system and method suited for improved overall data transmission having a hardware-based transceiver configured for transmitting upstream data with suppressed data packets. In TCP sessions between devices, a server seeks an “acknowledgement” that the downstream data transmission has been received by a client. Some data packets sent upstream may contain only TCP acknowledgement data and therefore may be combined with other purely TCP acknowledgement data packets in order to reduce the impact of the TCP acknowledgement packets on the overall upstream data throughput. In addition, this results in increased TCP performance in the downstream transmission direction as well because the algorithm enables replacing earlier arriving ACK packets with later arriving ACK packets which allows the device to send all TCP ACK information known to the suppressor at the earliest possible time.

Abstract translation: 一种适于改进总体数据传输的系统和方法，具有基于硬件的收发器，所述收发器被配置为用压缩的数据分组发送上行数据。 在设备之间的TCP会话中，服务器寻求客户端接收到下游数据传输的“确认”。 上游发送的一些数据包可能仅包含TCP确认数据，因此可以与其他纯TCP确认数据包组合，以减少TCP确认数据包对总体上行数据吞吐量的影响。 此外，这也导致在下游传输方向上提高的TCP性能，因为该算法能够用稍后到达的ACK分组来替换先前到达的ACK分组，这允许设备在最早的可能时间发送抑制器已知的所有TCP ACK信息。

公开(公告)号：US20150071302A1

公开(公告)日：2015-03-12

申请号：US14025584

申请日：2013-09-12

Applicant: STMicroelectronics, Inc. ,  Cisco Technology, Inc.

Inventor： Charaf HANNA ,  Zhifang J. NI ,  John WROBBEL ,  Benjamin Nelson DARBY ,  Andrew Graham WHITLOW ,  Gale L. SHALLOW ,  Maynard Darvel HAMMOND

IPC: H04L12/911

CPC classification number: H04L47/6215 ,  H04L47/74 ,  H04L49/9057 ,  H04N21/42676 ,  H04N21/61 ,  H04N21/6168

Abstract: A system and method for improved upstream data transmission. In an embodiment, a cable modem includes a transceiver configured for transmitting data upstream once permission is granted. In between times when permission to transmit is granted, however, the cable modem is configured to prepare as much data as possible for immediate upstream transmission once that very permission is granted. Thus, prior to permission being granted, the cable modem assembles (pre-processes) the data into transmit frames such that the data frames may be stored in a local memory coupled to the transceiver in a “ready-to-go” format. In this manner, the entire amount of time/bandwidth allocated to the cable modem in response to its request for upstream data transmission may be dedicated to actually transmitting data upstream as opposed to consuming time and bandwidth processing the data into data frames after upstream data transmission has been granted.

Abstract translation: 一种用于改进上游数据传输的系统和方法。 在一个实施例中，电缆调制解调器包括被配置用于在许可被授权之后向上游传输数据的收发器。 然而，在允许发送的时间之间，电缆调制解调器被配置为准备尽可能多的数据，一旦获得了许可，就立即上传传输。 因此，在许可被许可之前，电缆调制解调器将数据组装（预处理）到发送帧中，使得数据帧可以以“即用”格式存储在耦合到收发器的本地存储器中。 以这种方式，响应于其对上游数据传输的请求而分配给电缆调制解调器的时间/带宽的总量可以专用于实际发送数据上行，而不是在上行数据传输之后消耗时间和带宽处理数据到数据帧 已被授予。