US 11,917,045 B2
Scalable synchronization of network devices
Dotan David Levi, Kiryat Motzkin (IL); Arnon Sattinger, Zichron Yaakov (IL); Natan Manevich, Ramat Hasharon (IL); Wojciech Wasko, Mlynek (PL); Ariel Almog, Kochav Yair (IL); and Bar Or Shapira, Tel Aviv (IL)
Assigned to MELLANOX TECHNOLOGIES, LTD., Yokneam (IL)
Filed by MELLANOX TECHNOLOGIES, LTD., Yokneam (IL)
Filed on Jul. 24, 2022, as Appl. No. 17/871,937.
Prior Publication US 2024/0031121 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H03L 7/08 (2006.01); G06F 1/12 (2006.01); H04L 7/00 (2006.01)
CPC H04L 7/0012 (2013.01) 18 Claims
OG exemplary drawing
 
1. A communication system, comprising:
a plurality of network devices, each network device comprising a network interface to receive at least one data stream, a given one of the network devices being configured to recover a remote clock from the at least one data stream received by the given network device; and
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.