typical accuracy of software-timestamped NTP over a LAN
~1 msestimate
| Value kind | estimate — Interpret this value according to its displayed kind, scope, source, and as-of date. |
|---|---|
| Scope | Software-timestamped NTP on a LAN under ideal conditions. Not a property of the protocol: NTP implementations that use NIC hardware timestamping (chrony) document tens of microseconds on a LAN and sub-microsecond with a good reference. |
| Caveat | Compare deployments, not protocol names — the separator is where the timestamp is taken. |
| As of | 2025 |
| Source | linuxptp / SUSE & Red Hat PTP tuning guides · Understanding NTP: LAN accuracy of 1 ms under ideal conditions |
| Review | checking…review by 2027-09-05 · standard cadence |
| Recorded changes | last 2026-07-21 · 2 revisions tracked |
| Claim id | typical-ntp-accuracy-over-a-lan-3-6-orders |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.