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This paper analyzes the factors that affect the synchronization performance in peer-to-peer precision time protocol (PTP). We first study the influence of frequency drift in the absence of jitter and compare the gravity of the master drift with that of the slave drift. Then, we study the influence of jitter under the assumption of constant frequencies and the effect of averaging. The analytic formulas...
This paper studies the performance of the precision time protocol (PTP) of the IEEE 1588 standard for drifting slave frequencies. The error expression for the master time estimate at the nth slave is analytically derived and demonstrated in simulation runs. We show that single-slave frequency drift is very benign compared to master frequency drift, which is only matched by all slaves drifting.
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