Mellanox Technologies, Ltd.

Artiom Tsur

Dotan David Levi

Natan Manevich

Avraham Ganor

Ariel Almog

Bar Shapira

Arnon Sattinger

Reuven Kogan

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.

Software-controlled clock synchronization of network devices

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Afula, Israel

Artiom Tsur