【资料名称】：IEEE 1588 first edition

【资料作者】：IEEE

【资料日期】：2004

【资料语言】：英文

【资料格式】：PDF

【资料目录和简介】：

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Copyright © 2002 IEEE. All rights reserved.
1. Overview............................................................................................................................................ 8
1.1 Scope........................................................................................................................................... 9
1.2 Purpose........................................................................................................................................ 9
2. References........................................................................................................................................... 9
3. Definitions..........................................................................................................................................10
4. Conventions .......................................................................................................................................12
4.1 Descriptive syntax.......................................................................................................................12
4.2 Word usage ................................................................................................................................12
4.3 Behavioral specification notation ...............................................................................................13
5. Datatypes in a PTP system..................................................................................................................15
5.1 Primitive datatypes......................................................................................................................15
5.2 Derived datatypes.......................................................................................................................16
6. PTP Clock synchronization model..................................................................................................... 17
6.1 Overview................................................................................................................................... 17
6.2 PTP systems............................................................................................................................. 21
7. PTP protocol specification................................................................................................................. 33
7.1 Protocol model of a clock .......................................................................................................... 33
7.2 Protocol model of a subdomain of PTP clocks.......................................................................... 35
7.3 State behavior of clocks............................................................................................................. 38
7.4 Clock data set............................................................................................................................ 42
7.5 Messaging and internal event behavior of clocks...................................................................... 54
7.6 Best master clock algorithm....................................................................................................... 71
7.7 Clock variance computation ...................................................................................................... 83
7.8 Local clock synchronization ...................................................................................................... 86
7.9 Values for system and clock constants. ..................................................................................... 89
7.10 Physical requirements for PTP implementations....................................................................... 91
7.11 PTP timing and event ordering constraints................................................................................ 91
7.12 Management message semantics ............................................................................................... 95
8. PTP inter-clock message formats....................................................................................................... 95
8.1 Inter-clock messages.................................................................................................................102
8.2 PTP message header specification............................................................................................102
8.3 Sync and Delay_Req messages.................................................................................................105
8.4 Follow_Up messages ............................................................................................................... 109
8.5 Delay_Resp messages.............................................................................................................. 110
8.6 Management messages............................................................................................................. 111
CONTENTS
Foreword....................................................................................................................................................... 4
IEEE introduction......................................................................................................................................... 7
IEC 61588:2004(E)
IEEE 1588-2002(E)
– 2 –
Published by IEC under licence from IEEE. © 2004 IEEE. All rights reserved.
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