📄 rfc1119.ps
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300 1743 473 3 (Status of this Memo)fjt
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300 1655 1950 12 (This document describes the Network Time Protocol \(NTP\), specifies its formal structure and)fjt
(o)14 (t)25 ( )20 (s)40 (m)20 (s)14 (i)26 (n)23 (a)26 (h)22 (c)23 (e)40 (m)25 ( )22 (e)26 (h)15 (t)25 ( )20 (s)22 (e)26 (d)15 (i)25 (v)26 (o)17 (r)26 (p)25 ( )29 (P)31 (T)37 (N)25 ( )13 (.)26 (n)25 (o)15 (i)15 (t)23 (a)14 (t)26 (n)23 (e)40 (m)23 (e)15 (l)26 (p)40 (m)14 (i)25 ( )21 (s)14 (t)15 (i)25 ( )18 (r)26 (o)17 (f)25 ( )15 (l)26 (u)17 (f)23 (e)21 (s)26 (u)25 ( )26 (n)26 (o)14 (i)15 (t)23 (a)40 (m)17 (r)26 (o)18 (f)26 (n)15 (i)25 ( )20 (s)23 (e)23 (z)15 (i)17 (r)23 (a)40 (m)40 (m)26 (u)20 (s)0 84 300 1597 fet
300 1539 1788 13 (synchronize time and coordinate time distribution in a large, diverse internet operating at ra)fjt
2088 1539 162 1 (tes from)fjt
300 1481 1867 15 (mundane to lightwave. It uses a returnable-time design in which a distributed subnet of time ser)fjt
2167 1481 83 0 (vers)fjt
300 1422 1859 8 (operating in a self-organizing, hierarchical-master-slave configuration synchronizes local cl)fjt
2159 1422 91 0 (ocks)fjt
300 1364 1834 16 (within the subnet and to national time standards via wire or radio. The servers can also redist)fjt
2134 1364 116 0 (ribute)fjt
300 1306 1237 8 (reference time via local routing algorithms and time daemons.)fjt
300 1219 1845 12 (This is an Internet Standard Recommended Protocol. Distribution of this memo is unlimited.)fjt
300 1131 1874 8 (Keywords: network clock synchronization, standard time distribution, fault-tolerant architect)fjt
2174 1131 76 0 (ure,)fjt
300 1073 1782 7 (maximum-likelihood estimation, disciplined oscillator, internet protocol, formal specifica)fjt
2082 1073 90 0 (tion.)fjt
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300 3034 532 2 (Network Working Group)fjt
1954 3034 296 2 (David L. Mills)fjt
300 2976 651 3 (Request for Comments: 1119)fjt
1752 2976 498 2 (University of Delaware)fjt
300 2918 712 2 (Obsoletes: RFC-1059, RFC-958)fjt
1882 2918 369 1 (September 1989)fjt
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300 279 100 0 (Mills)fjt
2109 279 141 1 (Page i)fjt
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300 2841 421 2 (Table of Contents)fjt
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300 2729 38 0 (1.)fjt
450 2729 259 1 ( Introduction)fjt
713 2729 1500 40 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2729 25 0 (1)fjt
300 2671 75 0 (1.1.)fjt
450 2671 415 2 ( Related Technology)fjt
900 2671 1313 35 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2671 25 0 (2)fjt
300 2613 38 0 (2.)fjt
450 2613 420 2 ( System Architecture)fjt
900 2613 1313 35 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2613 25 0 (3)fjt
300 2554 75 0 (2.1.)fjt
450 2554 470 2 ( Implementation Model)fjt
938 2554 1275 34 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2554 25 0 (4)fjt
300 2496 75 0 (2.2.)fjt
450 2496 498 2 ( Network Configurations)fjt
975 2496 1238 33 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2496 25 0 (5)fjt
300 2438 75 0 (2.3.)fjt
450 2438 413 3 ( The NTP Timescale)fjt
900 2438 1313 35 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2438 25 0 (7)fjt
300 2380 75 0 (2.4.)fjt
450 2380 389 3 ( The NTP Calendar)fjt
863 2380 1350 36 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2225 2380 25 0 (8)fjt
300 2321 75 0 (2.5.)fjt
450 2321 725 4 ( Time and Frequency Dissemination)fjt
1200 2321 975 26 ( . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 2321 50 0 (10)fjt
300 2263 38 0 (3.)fjt
450 2263 486 3 ( Network Time Protocol)fjt
938 2263 1238 33 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 2263 50 0 (11)fjt
300 2205 75 0 (3.1.)fjt
450 2205 282 2 ( Data Formats)fjt
750 2205 1425 38 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 2205 50 0 (11)fjt
300 2147 75 0 (3.2.)fjt
450 2147 632 4 ( State Variables and Parameters)fjt
1088 2147 1088 29 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 2147 50 0 (12)fjt
300 2088 113 0 (3.2.1.)fjt
450 2088 401 2 ( Common Variables)fjt
863 2088 1313 35 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 2088 50 0 (12)fjt
300 2030 113 0 (3.2.2.)fjt
450 2030 362 2 ( System Variables)fjt
825 2030 1350 36 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 2030 50 0 (14)fjt
300 1972 113 0 (3.2.3.)fjt
450 1972 304 2 ( Peer Variables)fjt
788 1972 1388 37 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 1972 50 0 (16)fjt
300 1914 113 0 (3.2.4.)fjt
450 1914 348 2 ( Packet Variables)fjt
825 1914 1350 36 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 1914 50 0 (17)fjt
300 1855 113 0 (3.2.5.)fjt
450 1855 454 3 ( Clock Filter Variables)fjt
938 1855 1238 33 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 1855 50 0 (17)fjt
300 1797 113 0 (3.2.6.)fjt
450 1797 233 1 ( Parameters)fjt
713 1797 1463 39 ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .)fjt
2200 1797 50 0 (18)fjt
300 1739 75 0 (3.3.)fjt
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