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Learn about Meta's groundbreaking deployment of Precision Time Protocol (PTP) in this 26-minute conference talk from NANOG. Discover the fundamentals of PTP technology, its critical importance for Meta's operations, and various use cases requiring nanosecond-level time synchronization. Explore technical aspects including network dependencies, transparent clocks, hardware timestamping, and fiber optics asymmetry challenges. Understand the limitations of current PTP implementations and learn why Meta developed SPTP (Simple PTP) as an alternative solution. Presented by Oleg Obleukhov, a Meta production engineer renowned for his work on the public NTP service (time.facebook.com), leadership in OCP TAP OTS workstream, and development of the SPTP protocol.
