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公开(公告)号：US12081427B2
公开(公告)日：2024-09-03
申请号：US17191736
申请日：2021-03-04
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Arnon Sattinger , Dotan David Levi , Avraham Ganor , Shahar Givony , Nimer Khazen
Abstract: A pluggable module, for testing time-synchronization signals of network elements, includes a first connector for connecting to test equipment, a second connector for connecting to a network port of a network element, and at least one driver. The at least one driver is connected between the first and second connectors and is configured to buffer and relay a time-synchronization signal between the network element and the test equipment.
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公开(公告)号：US11917045B2
公开(公告)日：2024-02-27
申请号：US17871937
申请日：2022-07-24
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Dotan David Levi , Arnon Sattinger , Natan Manevich , Wojciech Wasko , Ariel Almog , Bar Or Shapira
CPC classification number: H04L7/0012
Abstract: In one embodiment, a communication system includes network devices, each comprising a network interface to receive at least one data stream, a given network device being configured to recover a remote clock from the at least one data stream received by the given network device, a frequency synthesizer to generate a clock signal and output the clock signal to each of the network devices, wherein the given network device is configured to find a clock frequency differential between the clock signal and the recovered remote clock, and provide a control signal to the frequency synthesizer responsively to the clock frequency differential, the control signal causes the frequency synthesizer to adjust the clock signal so as to iteratively reduce an absolute value of the clock frequency differential between the clock signal and the recovered remote clock.
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公开(公告)号：US20220191275A1
公开(公告)日：2022-06-16
申请号：US17120313
申请日：2020-12-14
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Dotan David Levi , Avraham Ganor , Arnon Sattinger , Natan Manevich , Reuven Kogan , Artiom Tsur , Ariel Almog , Bar Shapira
Abstract: A synchronized communication system includes a plurality of network communication devices, one of which is designated as a root device and the others designated as slave devices. Each network communication device includes one or more ports and communications circuitry, which processes the communication signals received by the one or more ports so as to recover a respective remote clock from each of the signals. A synchronization circuit is integrated in the root device and provides a root clock signal, which is conveyed by clock links to the slave devices. A host processor selects one of the ports of one of the network communication devices to serve as a master port, finds a clock differential between the root clock signal and the respective remote clock recovered from the master port, and outputs, responsively to the clock differential, a control signal causing the synchronization circuit to adjust the root clock signal.
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Patent Agency Ranking
公开(公告)号：US11606427B2
公开(公告)日：2023-03-14
申请号：US17120313
申请日：2020-12-14
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Dotan David Levi , Avraham Ganor , Arnon Sattinger , Natan Manevich , Reuven Kogan , Artiom Tsur , Ariel Almog , Bar Shapira
IPC: H04L67/1095 , G06F1/12 , G06F1/14
Abstract: A synchronized communication system includes a plurality of network communication devices, one of which is designated as a root device and the others designated as slave devices. Each network communication device includes one or more ports and communications circuitry, which processes the communication signals received by the one or more ports so as to recover a respective remote clock from each of the signals. A synchronization circuit is integrated in the root device and provides a root clock signal, which is conveyed by clock links to the slave devices. A host processor selects one of the ports of one of the network communication devices to serve as a master port, finds a clock differential between the root clock signal and the respective remote clock recovered from the master port, and outputs, responsively to the clock differential, a control signal causing the synchronization circuit to adjust the root clock signal.
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公开(公告)号：US20210328900A1
公开(公告)日：2021-10-21
申请号：US17191736
申请日：2021-03-04
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Arnon Sattinger , Dotan David Levi , Avraham Ganor , Shahar Givony , Nimer Khazen
IPC: H04L12/26
Abstract: A pluggable module, for testing time-synchronization signals of network elements, includes a first connector for connecting to test equipment, a second connector for connecting to a network port of a network element, and at least one driver. The at least one driver is connected between the first and second connectors and is configured to buffer and relay a time-synchronization signal between the network element and the test equipment.
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公开(公告)号：US20250055667A1
公开(公告)日：2025-02-13
申请号：US18420822
申请日：2024-01-24
Applicant: Mellanox Technologies, Ltd.
Inventor： Natan Manevich , Dotan David Levi , Nir Laufer , Wojciech Wasko , Maciej Machnikowski , Doron Fael , Arnon Sattinger
Abstract: In one embodiment, a system, includes a digitally controlled oscillator (DCO) to generate a local clock signal having a local clock frequency, and a hardware clock to maintain a value indicative of a local clock time advancing at a frequency proportional to the local clock frequency of the local clock signal generated by the DCO, and clock synchronization circuitry to receive from a device an indication of a remote clock time, generate a digital control command to at least partially correct for a difference between the remote clock time and the local clock time, and provide the digital control command to the DCO, wherein the DCO is to adjust the local clock frequency responsively to the digital control command.
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公开(公告)号：US20250055668A1
公开(公告)日：2025-02-13
申请号：US18448936
申请日：2023-08-13
Applicant: Mellanox Technologies, Ltd.
Inventor： Natan Manevich , Dotan David Levi , Arnon Sattinger , Wojciech Wasko , Maciej Machnikowski , Doron Fael , Ofir Sadeh , Jonathan Oliel
Abstract: In one embodiment, a system includes a digitally controlled oscillator (DCO) to generate a local clock having a local clock frequency, and clock synchronization circuitry to receive from a device a signal indicative of a remote clock frequency, compare measures of the remote clock frequency and the local clock frequency; generate a digital control command based on the comparison; and provide the digital control command to the DCO, wherein the DCO is to adjust the local clock frequency responsively to the digital control command.
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公开(公告)号：US20240031121A1
公开(公告)日：2024-01-25
申请号：US17871937
申请日：2022-07-24
Applicant: MELLANOX TECHNOLOGIES, LTD.
Inventor： Dotan David Levi , Arnon Sattinger , Natan Manevich , Wojciech Wasko , Ariel Almog , Bar Or Shapira
IPC: H04L7/00
CPC classification number: H04L7/0012
Abstract: In one embodiment, a communication system includes network devices, each comprising a network interface to receive at least one data stream, a given network device being configured to recover a remote clock from the at least one data stream received by the given network device, a frequency synthesizer to generate a clock signal and output the clock signal to each of the network devices, wherein the given network device is configured to find a clock frequency differential between the clock signal and the recovered remote clock, and provide a control signal to the frequency synthesizer responsively to the clock frequency differential, the control signal causes the frequency synthesizer to adjust the clock signal so as to iteratively reduce an absolute value of the clock frequency differential between the clock signal and the recovered remote clock.
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