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公开(公告)号：US20240195892A1
公开(公告)日：2024-06-13
申请号：US18586613
申请日：2024-02-26
Applicant: MELLANOX TECHNOLOGIES, LTD.
IPC: H04L69/22 , H04L45/74 , H04L45/745
CPC classification number: H04L69/22 , H04L45/742 , H04L45/74591
Abstract: A network device includes one or more ports, and action-select circuitry. The ports are to exchange packets over a network. The action-select circuitry is to determine, for a given packet, a first search key based on a first header field of the given packet, and a second search key based on a second header field of the given packet, to compare the first search key to a first group of compare values, to output a multi-element vector responsively to a match between the first search key and a first compare value, to generate a composite search key by concatenating the second search key and the multi-element vector, to compare the composite search key to a second group of compare values, and, responsively to a match between the composite search key and a second compare value, to output an action indicator for applying to the given packet.
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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
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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公开(公告)号：US20230127568A1
公开(公告)日：2023-04-27
申请号：US17508998
申请日：2021-10-24
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Gil Levy , Liron Mula , Barak Gafni
Abstract: A parsing apparatus includes a packet-type identification circuit and a parser. The packet-type identification circuit is to receive a packet to be parsed, and to identify a packet type of the packet by extracting a packet-type identifier from a defined field in the packet. The parser is to store one or more parsing templates that specify parsing of one or more respective packet types. When the packet type of the packet corresponds to a parsing template among the stored parsing templates, the parser is to parse the packet in accordance with. the stored parsing template. When the packet type of the packet does not correspond to any of the stored parsing templates, the parser is to parse the packet using an alternative parsing scheme.
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公开(公告)号：US20230120745A1
公开(公告)日：2023-04-20
申请号：US17503383
申请日：2021-10-18
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Niv Aibester , Gil Levy , Liron Mula , Barak Gafni , Aviv Kfir
IPC: H04L12/861 , H04L12/879 , H04L12/933 , H04L12/925 , H04L12/911
Abstract: A network device includes multiple ports, packet processing circuitry, a memory and a reserved-memory management circuit (RMMC). The ports are to communicate packets over a network. The packet processing circuitry is to process the packets using a plurality of queues. The memory is to store a shared buffer. The RMMC is to allocate segments of the shared buffer to the queues, including allocating reserve segments of the shared buffer to selected queues that meet a reserve-allocation criterion.
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公开(公告)号：US12294636B2
公开(公告)日：2025-05-06
申请号：US18586613
申请日：2024-02-26
Applicant: MELLANOX TECHNOLOGIES, LTD.
IPC: H04L69/22 , H04L45/74 , H04L45/745
Abstract: A network device includes one or more ports, and action-select circuitry. The ports are to exchange packets over a network. The action-select circuitry is to determine, for a given packet, a first search key based on a first header field of the given packet, and a second search key based on a second header field of the given packet, to compare the first search key to a first group of compare values, to output a multi-element vector responsively to a match between the first search key and a first compare value, to generate a composite search key by concatenating the second search key and the multi-element vector, to compare the composite search key to a second group of compare values, and, responsively to a match between the composite search key and a second compare value, to output an action indicator for applying to the given packet.
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Patent Agency Ranking
公开(公告)号：US12177322B2
公开(公告)日：2024-12-24
申请号：US18314834
申请日：2023-05-10
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Gil Levy , Liron Mula , Barak Gafni
IPC: G06F15/173 , H04L69/22 , H04L69/323 , H04L69/324
Abstract: A parsing apparatus includes a packet-type identification circuit and a parser. The packet-type identification circuit is to receive a packet to be parsed, and to identify a packet type of the packet by extracting a packet-type identifier from a defined field in the packet. The parser is to store one or more parsing templates that specify parsing of one or more respective packet types. When the packet type of the packet corresponds to a parsing template among the stored parsing templates, the parser is to parse the packet in accordance with the stored parsing template. When the packet type of the packet does not correspond to any of the stored parsing templates, the parser is to parse the packet using an alternative parsing scheme.
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公开(公告)号：US20240146652A1
公开(公告)日：2024-05-02
申请号：US17979200
申请日：2022-11-02
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Gil Levy , Pedro Reviriego , Gonzalo Martínez , José Alberto Hernández-Gutiérrez
IPC: H04L45/7453
CPC classification number: H04L45/7453
Abstract: Network devices, systems, and methods are provided. In one example, a network device includes one or more packet classification circuits and one or more hash selection circuits that cooperate with the one or more packet classification circuits to provide the one or more packet classification circuits with a hash table selection order. The hash table selection order may be determined for a packet to be classified with the support of machine learning by the one or more packet classification circuits based on information contained in the packet.
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公开(公告)号：US11622028B2
公开(公告)日：2023-04-04
申请号：US17198292
申请日：2021-03-11
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Yuval Shpigelman , Idan Burstein , Aviv Kfir , Liron Mula , Niv Aibester , Gil Levy
Abstract: A network element includes circuitry and multiple ports. The multiple ports are configured to connect to a communication network. The circuitry is configured to receive via one of the ports a packet that originated from a source node and is destined to a destination node, the packet including a mark that is indicative of a cumulative state derived from at least bandwidth utilization conditions of output ports that were traversed by the packet along a path, from the source node up to the network element, to select a port for forwarding the packet toward the destination node, to update the mark of the packet based at least on a value of the mark in the received packet and on a local bandwidth utilization condition of the selected port, and to transmit the packet having the updated mark to the destination node via the selected port.
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公开(公告)号：US20220368639A1
公开(公告)日：2022-11-17
申请号：US17869821
申请日：2022-07-21
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Niv Aibester , Aviv Kfir , Gil Levy , Liron Mula
IPC: H04L47/20
Abstract: Apparatus for global policing of a bandwidth of a flow, the apparatus including a network device including a local policer configured to perform bandwidth policing on the flow within the network device, and a communications module configured to: send local policer state information from the local policer to a remote global policer, and receive policer state information from the remote global policer and update the local policer state information based on the remote global policer state information. Related apparatus and methods are also provided.
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公开(公告)号：US20220350713A1
公开(公告)日：2022-11-03
申请号：US17244539
申请日：2021-04-29
Applicant: Mellanox Technologies LTD.
Inventor： Liron Mula , Gil Levy , Itamar Rabenstein
Abstract: Methods, systems, and devices for redundant data bus inversion (DBI) sharing are described. A device may identify a group of channels included in a data bus. The device may determine whether the group of channels satisfies a criterion. Based on the determination, the device may allocate an overhead channel to the group of channels for a set of redundancy operations. Based on the determination, the device may allocate the overhead channel to the group of channels for a set of data bus inversion operations. The device may encode data associated with the group of channels based on the allocation of the overhead channel. The overhead channel may be included in the data bus.
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