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    Flexible per-flow multipath managed by sender-side network adapter
    2.
    发明授权
    Flexible per-flow multipath managed by sender-side network adapter 有权

    公开(公告)号：US12155563B2

    公开(公告)日：2024-11-26

    申请号：US17902920

    申请日：2022-09-05

    Applicant: MELLANOX TECHNOLOGIES, LTD.

    Inventor： Yamin Friedman ,  Omer Shabtai ,  Rotem Levinson ,  Idan Burstein ,  Yuval Shpigelman ,  Charlie Mbariky

    IPC: H04L45/00 ,  H04L45/24

    Abstract: A network adapter includes a port and one or more circuits. The port communicates packets over a network in which switches forward packets in accordance with tuples of the packets. The one or more circuits are to hold a user-programmable scheme specifying assignments of the packets of a given flow destined to a peer node to sub-flows having respective different tuples, assign first packets of the given flow to one or more of the sub-flows in accordance with the user-programmable scheme, by setting respective tuples of the first packets, transmit the first packets to the peer node via the port, monitor notifications received from the network, the notifications being indicative of respective states of the sub-flows, based on the notifications and on the user-programmable scheme determine an assignment of second packets of the given flow to the sub-flows, and transmit the second packets to the peer node via the port.

    REMOTE DIRECT MEMORY ACCESS (RDMA) MULTIPATH
    3.
    发明公开
    REMOTE DIRECT MEMORY ACCESS (RDMA) MULTIPATH 审中-公开

    公开(公告)号：US20240080256A1

    公开(公告)日：2024-03-07

    申请号：US17901671

    申请日：2022-09-01

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Yamin Friedman ,  Idan Borshteen ,  Roee Moyal ,  Yuval Shpigelman

    IPC: H04L45/12 ,  H04L43/0864 ,  H04L45/24 ,  H04L47/52

    CPC classification number: H04L45/124 ,  H04L43/0864 ,  H04L45/24 ,  H04L47/52

    Abstract: Technologies for spreading a single transport flow across multiple network paths in remote direct memory access (RDMA) over converged Ethernet (RoCE) and InfiniBand are described. A network interface controller receives a first packet and a second packet of a transport flow directed to a second node. The network interface controller assigns a first network routing identifier to the first packet and a second network routing identifier to the second packet, the first network routing identifier corresponding to a first network path between the first and second nodes, the second network routing identifier corresponding to a second network path between the first node and the second node. The network interface controller schedules a first packet of the transport flow to be sent via the first network path and a second packet of the transport flow to be sent via the second network path.

    Adjusting rate of outgoing data requests for avoiding incast congestion
    4.
    发明申请
    Adjusting rate of outgoing data requests for avoiding incast congestion 审中-公开

    公开(公告)号：US20200084150A1

    公开(公告)日：2020-03-12

    申请号：US16559640

    申请日：2019-09-04

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Idan Burstein ,  Noam Bloch ,  Roee Moyal ,  Ariel Shahar ,  Yamin Friedman ,  Yuval Shpigelman

    IPC: H04L12/801 ,  H04L12/927 ,  H04L12/841 ,  H04L12/863 ,  H04L29/08

    Abstract: A network adapter includes circuitry and one or more ports. The ports connect to a communication network including multiple network elements. The circuitry accesses outbound messages that are pending to be sent over the communication network to multiple remote nodes via the ports. At least some of the outbound messages request the remote nodes to send respective amounts of data back to the network adapter. Based on the amounts of data requested by the outbound messages, the circuitry forecasts a bandwidth of inbound response traffic, which is expected to traverse a selected network element in response to the outbound messages toward the network adapter, determines a schedule for transmitting the outbound messages to the remote nodes so that the forecasted bandwidth meets a bandwidth supported by the selected network element, and transmits the outbound messages to the remote nodes in accordance with the determined schedule.

    COMBINED CONGESTION CONTROL AND LOAD BALANCING
    6.
    发明申请
    COMBINED CONGESTION CONTROL AND LOAD BALANCING 有权

    公开(公告)号：US20240396839A1

    公开(公告)日：2024-11-28

    申请号：US18201074

    申请日：2023-05-23

    Applicant: Mellanox Technologies, Ltd.

    Inventor： Yamin Friedman ,  Omer Shabtai ,  Yuval Shpigelman ,  Rotem Levinson

    IPC: H04L47/10 ,  H04L47/125 ,  H04L47/25

    Abstract: Technologies for optimizing the spreading of traffic across multiple local output ports while considering both local load and end-to-end (E2E) load are described. One device has multiple outgoing ports and a network adapter that determines, for a first flow of packets, a first end-to-end (E2E) congestion rate of at least some of the outgoing ports. The network adapter determines a port state of at least some of the outgoing ports. The network adapter receives a first packet associated with the first flow of packets. The network adapter determines, using a first desired rate for the first flow, the first E2E congestion rates, and the port states, i) a first time at which the first packet is to be transmitted and ii) a first outgoing port on which the first packet is to be transmitted. The first packet is sent on the first outgoing port at the first time.

    Out-of-order packet processing
    8.
    发明公开
    Out-of-order packet processing 审中-公开

    公开(公告)号：US20240098034A1

    公开(公告)日：2024-03-21

    申请号：US18524010

    申请日：2023-11-30

    Applicant: MELLANOX TECHNOLOGIES, LTD.

    Inventor： Yamin Friedman ,  Daniel Marcovitch ,  Gil Levy

    IPC: H04L47/34 ,  H04L1/18

    CPC classification number: H04L47/34 ,  H04L1/18

    Abstract: In one embodiment, a communication apparatus, including a network interface configured to receive over a network a sequence of data packets of a network flow having a defined packet order, wherein the network interface is configured to receive an out-of-order data packet instead of multiple missing data packets according to the defined packet order, a timer, and packet processing circuitry configured to activate the timer responsively to receiving the out-of-order data packet, and set the time period over which the timer is activated responsively to a quantity of the multiple missing data packets.

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