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    FIRST BURST EMULATOR IN A NETWORK SWITCH
    2.
    发明公开
    FIRST BURST EMULATOR IN A NETWORK SWITCH 审中-公开

    公开(公告)号：US20240039871A1

    公开(公告)日：2024-02-01

    申请号：US17816209

    申请日：2022-07-29

    申请人： Cisco Technology, Inc.

    发明人： Harsha BHARADWAJ

    IPC分类号： H04L49/55 ,  H04L49/103 ,  H04L67/1097

    CPC分类号： H04L49/555 ,  H04L49/103 ,  H04L67/1097

    摘要： First Burst (FB) emulation for a FB enabled host at a network switch is described. The FB write operation is an accelerated write input/output (I/O) method for fibre channel non-volatile memory express (NVMe) (FC-NVMe) traffic that reduces a number of communication phases between a host point and storage point. In some examples, a storage system connected to the FB enabled host, via the network switch, is not FB enabled. In this example, the network switch initiates a FB emulation to provide FB functions to the FB enabled host. The FB emulation at the network switch stores FB data from the host as emulated data at the network switch and then transfers the emulated data to the connected storage system using standard write I/O operations.

    Low latency queuing system
    7.
    发明授权
    Low latency queuing system 有权

    公开(公告)号：US11563690B2

    公开(公告)日：2023-01-24

    申请号：US16997243

    申请日：2020-08-19

    申请人： VECTORIZED, INC.

    发明人： Alexander Gallego

    IPC分类号： H04L47/625 ,  H04L49/55 ,  H04L49/901 ,  H04L67/1095 ,  H04L67/1097

    摘要： Disclosed herein are methods and apparatuses for processing network traffic by a queuing system which may include: receiving pointers to chunks of memory allocated responsive to receipt of network traffic, the chunks of memory each including a portion of a queue batch, wherein the queue batch includes a plurality of queue requests; generating a data structure including the pointers and a reference count; assigning the queue request to a second core; generating a first structured message for the first queue request; and storing the first structured message in a structured message passing queue associated with the second core, wherein a second processing thread associated with the second core, responsive to receiving the structured message, processes the first queue request by retrieving the first queue request from at least one of the chunks of memory.

    Using heart beats to monitor operational state of service classes of a QoS aware network link
    10.
    发明授权
    Using heart beats to monitor operational state of service classes of a QoS aware network link 有权

    公开(公告)号：US11418997B2

    公开(公告)日：2022-08-16

    申请号：US16851323

    申请日：2020-04-17

    申请人： VMware, Inc.

    发明人： Jegadish Devadoss ,  Kartik Kamdar ,  Stephen Craig Connors ,  Satheesh Kumar Rajendran ,  Ram Kumar Manoharan

    IPC分类号： H04L43/062 ,  H04W28/02 ,  H04L47/2408 ,  H04L47/80 ,  H04L47/2441 ,  H04L45/302 ,  H04L47/2425 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/087 ,  H04L49/20 ,  H04L49/55 ,  H04L43/10 ,  H04L45/50

    摘要： Some embodiments provide a method for quantifying quality of several service classes provided by a link between first and second forwarding nodes in a wide area network (WAN). At a first forwarding node, the method computes and stores first and second path quality metric (PQM) values based on packets sent from the second forwarding node for the first and second service classes. The different service classes in some embodiments are associated with different quality of service (QoS) guarantees that the WAN offers to the packets. In some embodiments, the computed PQM value for each service class quantifies the QoS provided to packets processed through the service class. In some embodiments, the first forwarding node adjusts the first and second PQM values as it processes more packets associated with the first and second service classes. The first forwarding node also periodically forwards to the second forwarding node the first and second PQM values that it maintains for the first and second service classes. In some embodiments, the second forwarding node performs a similar set of operations to compute first and second PQM values for packets sent from the first forwarding node for the first and second service classes, and to provide these PQM values to the first forwarding node periodically.