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    EXPORTING REAL TIME NETWORK TRAFFIC LATENCY AND BUFFER OCCUPANCY
    11.
    发明申请
    EXPORTING REAL TIME NETWORK TRAFFIC LATENCY AND BUFFER OCCUPANCY 审中-公开
    实时实时网络传输延迟和缓冲区占用

    公开(公告)号：US20170026256A1

    公开(公告)日：2017-01-26

    申请号：US15285603

    申请日：2016-10-05

    Applicant: Cisco Technology, Inc.

    Inventor： Thomas J. Edsall ,  Yue J. Yang ,  Wei-Jen Huang ,  Chih-Tsung Huang

    IPC: H04L12/26

    CPC classification number: H04L43/045 ,  H04L43/08 ,  H04L43/0882 ,  H04L43/10 ,  H04L47/24 ,  H04L47/30

    Abstract: Techniques are presented herein to facilitate the monitoring of occupancy of a buffer in a network device. Packets are received at a network device. Information is captured describing occupancy of the buffer caused by packet flow through the buffer in the network device. Analytics packets are generated containing the information. The analytics packets from the network device for retrieval of the information contained therein for analysis, replay of buffer occupancy, etc.

    Abstract translation: 这里呈现技术以便于监视网络设备中的缓冲器的占用。 数据包在网络设备上被接收。 捕获的信息描述了通过网络设备中的缓冲器的分组流引起的缓冲区的占用。 生成包含该信息的分析数据包。 来自网络设备的用于检索其中所包含的信息的分析分组用于分析，重放缓冲器占用等

    System and method for tracking packets in a network environment
    12.
    发明授权
    System and method for tracking packets in a network environment 有权
    用于在网络环境中跟踪数据包的系统和方法

    公开(公告)号：US09450846B1

    公开(公告)日：2016-09-20

    申请号：US13653814

    申请日：2012-10-17

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Wei-Jen Huang ,  Chih-Tsung Huang

    IPC: H04L12/26 ,  H04J3/06

    CPC classification number: H04L43/0858 ,  H04J3/0667 ,  H04J3/0682 ,  H04J3/0697 ,  H04L43/0864 ,  H04L43/10 ,  H04L43/106 ,  H04L43/12

    Abstract: A method is provided in one example embodiment that includes transmitting a message from a first port to a second port, recording a timestamp of the message at each clock between the first port and the second port, and transmitting a first follow-up message from a first port to a second port to collect timestamps at each clock between the first port and the second port. The method further includes transmitting a loopback message from the second port to the first port, recording timestamps of the loopback message at each clock between the second port and the first port, and transmitting a second follow-up message from the second port to the first port to collect and append the timestamps of the loopback message at each clock.

    Abstract translation: 在一个示例实施例中提供了一种方法，其包括将消息从第一端口传送到第二端口，在第一端口和第二端口之间的每个时钟处记录消息的时间戳，以及从第一端口和第二端口发送第一后续消息 第一端口到第二端口，以在第一端口和第二端口之间的每个时钟收集时间戳。 该方法还包括从第二端口向第一端口发送环回消息，在第二端口和第一端口之间的每个时钟记录环回消息的时间戳，以及从第二端口向第一端口发送第二后续消息 端口在每个时钟收集和追加回送消息的时间戳。

    Measuring latency within a networking device
    14.
    发明授权
    Measuring latency within a networking device 有权
    测量网络设备内的延迟

    公开(公告)号：US09094307B1

    公开(公告)日：2015-07-28

    申请号：US13708305

    申请日：2012-12-07

    Applicant: Cisco Technology, Inc.

    Inventor： Thomas J. Edsall ,  Wei-Jen Huang ,  Chih-Tsung Huang ,  Kelvin Chan

    IPC: H04L12/26 ,  H04L12/56 ,  G06F9/26

    CPC classification number: H04L43/0858 ,  H04L43/028 ,  H04L43/062 ,  H04L43/106

    Abstract: Presented herein are techniques to measure latency associated with packets that are processed within a network device. A packet is received at a component of a network device comprising one or more components. A timestamp representing a time of arrival of the packet at a first point in the network device is associated with the packet. The timestamp is generated with respect to a clock of the network device. A latency value for the packet is computed based on at least one of the timestamp and current time of arrival at a second point in the network device. One or more latency statistics are updated based on the latency value.

    Abstract translation: 这里提出的是测量与在网络设备内处理的分组相关联的延迟的技术。 在包括一个或多个组件的网络设备的组件处接收分组。 表示分组在网络设备中的第一点的到达时间的时间戳与分组相关联。 相对于网络设备的时钟生成时间戳。 基于网络设备中的第二点的到达时间戳和当前时间中的至少一个来计算分组的等待时间值。 基于延迟值更新一个或多个延迟统计信息。

    Exporting real time network traffic latency and buffer occupancy
    15.
    发明授权
    Exporting real time network traffic latency and buffer occupancy 有权
    导出实时网络流量延迟和缓冲区占用

    公开(公告)号：US09077619B2

    公开(公告)日：2015-07-07

    申请号：US13708265

    申请日：2012-12-07

    Applicant: Cisco Technology, Inc.

    Inventor： Thomas J. Edsall ,  Yue J. Yang ,  Wei-Jen Huang ,  Chih-Tsung Huang

    IPC: H04L12/26 ,  H04L12/851 ,  H04L12/835

    CPC classification number: H04L43/045 ,  H04L43/08 ,  H04L43/0882 ,  H04L43/10 ,  H04L47/24 ,  H04L47/30

    Abstract: Techniques are presented herein to facilitate the monitoring of occupancy of a buffer in a network device. Packets are received at a network device. Information is captured describing occupancy of the buffer caused by packet flow through the buffer in the network device. Analytics packets are generated containing the information. The analytics packets from the network device for retrieval of the information contained therein for analysis, replay of buffer occupancy, etc.

    Abstract translation: 这里呈现技术以便于监视网络设备中的缓冲器的占用。 数据包在网络设备上被接收。 捕获的信息描述了通过网络设备中的缓冲器的分组流引起的缓冲区的占用。 生成包含该信息的分析数据包。 来自网络设备的用于检索其中所包含的信息的分析分组用于分析，重放缓冲器占用等

    Ultra low latency network buffer storage
    17.
    发明授权
    Ultra low latency network buffer storage 有权
    超低延迟网络缓冲存储

    公开(公告)号：US09037670B2

    公开(公告)日：2015-05-19

    申请号：US13708380

    申请日：2012-12-07

    Applicant: Cisco Technology, Inc.

    Inventor： Kelvin Chan ,  Ganga S. Devadas ,  Chih-Tsung Huang ,  Wei-Jen Huang ,  Dennis K. D. Nguyen ,  Yue J. Yang

    IPC: G06F15/167 ,  H04L12/861

    CPC classification number: H04L49/9042 ,  G06F15/167 ,  H04L49/9057 ,  H04L49/9094

    Abstract: Buffer designs and write/read configurations for a buffer in a network device are provided. According to one aspect, a first portion of the packet is written into a first cell of a plurality of cells of a buffer in the network device. Each of the cells has a size that is less than a minimum size of packets received by the network device. The first portion of the packet can be read from the first cell while concurrently writing a second portion of the packet to a second cell.

    Abstract translation: 提供缓冲区设计和网络设备中缓冲区的写/读配置。 根据一个方面，分组的第一部分被写入网络设备中的缓冲器的多个单元的第一单元中。 每个小区的大小小于由网络设备接收的分组的最小大小。 可以从第一小区读取分组的第一部分，同时将分组的第二部分写入第二小区。

    APPLICATION-AWARE LINKS
    18.
    发明公开
    APPLICATION-AWARE LINKS 审中-公开

    公开(公告)号：US20240106737A1

    公开(公告)日：2024-03-28

    申请号：US18532290

    申请日：2023-12-07

    Applicant: Cisco Technology, Inc.

    Inventor： Chih-Tsung Huang ,  Wei-Jen Huang

    IPC: H04L45/28 ,  H04L43/0817 ,  H04L43/16 ,  H04L45/00

    CPC classification number: H04L45/28 ,  H04L43/0817 ,  H04L43/16 ,  H04L45/22 ,  H04L45/306

    Abstract: The present technology is directed to a system and method for application aware management and recovery of link failures resulting from excessive errors observed on the link. One aspect of the proposed technology is based on identification of link errors associated with application-specific data patterns traversing link. Other aspects involve corrective actions based on relocation or modification of specific application traffic to thereby alleviate the observed excessive link errors and prevent a link failure or shut down. Relocation may involve moving the source application to a different virtual machine/container/physical device or rerouting application traffic by updating relevant routing protocols. Modification may involve harmlessly changing payload data pattern to remove data-pattern dependent signal attenuation. Information corresponding to identified faulty payload data patterns and associated frame data quality parameters maybe stored and utilized to provide analytics evaluation of network wide physical resource issues that maybe affecting application traffic.

    Application-aware links
    19.
    发明授权
    Application-aware links 有权

    公开(公告)号：US11882024B2

    公开(公告)日：2024-01-23

    申请号：US16011302

    申请日：2018-06-18

    Applicant: Cisco Technology, Inc.

    Inventor： Chih-Tsung Huang ,  Wei-Jen Huang

    IPC: H04L45/28 ,  H04L43/0817 ,  H04L43/16 ,  H04L45/00 ,  H04L45/302

    CPC classification number: H04L45/28 ,  H04L43/0817 ,  H04L43/16 ,  H04L45/22 ,  H04L45/306

    Abstract: The present technology is directed to a system and method for application aware management and recovery of link failures resulting from excessive errors observed on the link. One aspect of the proposed technology is based on identification of link errors associated with application-specific data patterns traversing link. Other aspects involve corrective actions based on relocation or modification of specific application traffic to thereby alleviate the observed excessive link errors and prevent a link failure or shut down. Relocation may involve moving the source application to a different virtual machine/container/physical device or rerouting application traffic by updating relevant routing protocols. Modification may involve harmlessly changing payload data pattern to remove data-pattern dependent signal attenuation. Information corresponding to identified faulty payload data patterns and associated frame data quality parameters maybe stored and utilized to provide analytics evaluation of network wide physical resource issues that maybe affecting application traffic.

    Multi-destination packet redaction
    20.
    发明授权
    Multi-destination packet redaction 有权

    公开(公告)号：US11463383B2

    公开(公告)日：2022-10-04

    申请号：US17164289

    申请日：2021-02-01

    Applicant: Cisco Technology, Inc.

    Inventor： Chih-Tsung Huang ,  Wei-Jen Huang ,  Kelvin Chan ,  Chiapeng Wu

    IPC: H04L49/552 ,  G06F21/62 ,  H04L9/40 ,  H04L49/201 ,  H04L47/34

    Abstract: Presented herein are techniques for redacting mirrored network packets prior to providing the mirrored packets to an intended recipient application, such as a third-party analysis application. More specifically, a multi-destination packet redaction device obtains mirrored network traffic that comprises one or more mirrored network packets. The multi-destination packet redaction device filters the mirrored network traffic to determine an intended recipient application of the one or more mirrored network packets and applies a redaction process to redact one or more portions of at least one of the one or more mirrored network packets. The redaction process is customized based on one or more attributes of the intended recipient application.

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