Lines Matching +full:can +full:- +full:clock +full:- +full:select
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28 …<li>Nominal estimate of the server clock time relative to the client clock time. This is called <e…
29 …<li>Roundtrip system and network delay measured by the on-wire protocol. This is call <em>roundtri…
30 …<li>Potential clock offset error due to the maximum uncorrected system clock frequency error. This…
31 …<li>Expected error, consisting of the root mean square (RMS) nominal clock offset sample differenc…
38 …y the on-wire protocol, as described below. The algorithms of the box labeled Selection and Combin…
40 …-wire protocol, as described on the <a href="warp.html">How NTP Works</a> page. In addition, the d…
42 …ote. In very fast networks where the client clock frequency is not within 1 PPM or so of the the s…
44 …dispersion) samples, the algorithm described on the <a href="filter.html">Clock Filter Algorithm</…
45 …The clock filter algorithm continues to process updates in this way until the source is no longer …
47 …clock filter algorithm, older samples are no longer selectable. This applies also to the clock sel…
48 <p>This means that not every sample can be used to update the peer variables, and up to seven sampl…
50 …s as described above. It represents the expected error in determining the clock offset estimate. R…
51 …ance statistic is computed as one-half the <em> root delay</em> of the primary source of time; i.e…
53 … a <em>minimum threshold.</em> The minimum threshold defaults to 1 ms, but can be changed accordin…
55 …select threshold</em>, by default 1.5 s, but can be changed according to client preference using t…
56 <p>The root distance statistic is used by the select, cluster and mitigation algorithms. In this re…
58 …<li>Root distance defines the maximum error of the clock offset estimate due to all causes as long…
59 …val. This interval represents the maximum clock offset for each of possibly several sources. The …
60 …<li>Root distance is used by the clock cluster algorithm as a weight factor when pruning outliers …
61 …sed as a weight factor by the combine algorithm when computing the system clock offset and system …
62 …<li>Root distance is used by the mitigation algorithm to select the system peer from among the clu…
64 … select the system peer as the source with the minimum root distance and thus the minimum maximum …
65 …es computed by the clock combine algorithm. System offset is best interpreted as the maximum-like…
66 <p>The maximum system error, or <em>system distance</em>, is computed as one-half the system delay …