What is NTP and How Does It Work?
Oct 30, 2025
What is NTP and How Does It Work?NTP (Network Time Protocol) is a protocol used to synchronize the time across devices in a network, such as servers, routers, switches, and computers.It ensures that all devices operate on the same accurate time, which is crucial for event logging, network security, and time-sensitive applications.How Does NTP Work?✅ Primary Time Source (Stratum 0):• NTP connects to highly accurate time sources like atomic clocks or GPS, known as Stratum 0.
✅ Intermediate Servers (Stratum 1 & Stratum 2+):Stratum 1: Servers that receive time directly from Stratum 0 and distribute it to other devices.Stratum 2+: Additional servers that get time from Stratum 1 and pass it on to network devices.
✅ Time Synchronization:Devices send requests to an NTP server, which resp...
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