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299 points gastonmorixe | 1 comments | 12 Nov 25 07:56 UTC | HN request time: 0.204s | source

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iberator ◴[12 Nov 25 11:52 UTC] No.45899025[source]▶

>>45897457 (OP) #

PTP is way better than NTP, but it might be possible that reference time is somehow taken from NTP anyway.

What I Mean:

Reference .gov atomic clock (not radium one) -> NTP -> ? -> ? -> satellite control station -> gps -> PTP

Hahaha

replies(2): >>45899081 #>>45899202 #

1. jhellan ◴[12 Nov 25 12:11 UTC] No.45899202[source]▶

>>45899025 #

This is true when all network delays between the synchronized device and the time reference are deterministic and accounted for in the configuration. The design of PTP assumes that this is the case. NTP, on the other hand, estimates the network delays to its time references.

Is there any reason to believe that PTP would be better in normal networks?

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