Data Centers Server Unicast 
Engineering at Meta
FEBRUARY 7, 2024
While deploying Precision Time Protocol (PTP) at Meta, we’ve developed a simplified version of the protocol (Simple Precision Time Protocol – SPTP), that can offer the same level of clock synchronization as unicast PTPv2 more reliably and with fewer resources. Server-driven communication with little control by the client.
Engineering at Meta
NOVEMBER 21, 2022
PTP’s predecessor, Network Time Protocol (NTP) , provided us with millisecond precision, but as we scale to more advanced systems on our way to building the next computing platform, the metaverse and AI, we need to ensure that our servers are keeping time as accurately and precisely as possible. But this was mostly in the context of NTP.
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