IEEE IEC 61588 2009

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IEC 61588 Ed.2 (IEEE Std 1588-2008): Precision Clock Synchronization Protocol for Networked Measurement and Control Systems

Published By	Publication Date	Number of Pages
IEEE	2009	292

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Description

Revision Standard – Active. A protocol is provided in this standard that enables precise synchronization of clocks in measurement and control systems implemented with technologies such as network communication, local computing, and distributed objects. The protocol is applicable to systems communicating via packet networks. Heterogeneous systems are enabled that include clocks of various inherent precision, resolution, and stability to synchronize. System-wide synchronization accuracy and precision in the sub-microsecond range are supported with minimal network and local clock computing resources. Simple systems are installed and operated without requiring the management attention of users because the default behavior of the protocol allows for it.

PDF Catalog

PDF Pages	PDF Title
4	CONTENTS
7	TABLES
12	FIGURES
14	FOREWORD
16	Title Page
17	IEEE Introduction
19	1. Overview 1.1 Scope
20	1.2 Purpose 1.3 Layout of the document
22	3. Definitions, acronyms, and abbreviations 3.1 Definitions
25	3.2 Acronyms and abbreviations
26	4. Conventions 4.1 Descriptive lexical form syntax
27	4.2 Word usage
28	4.3 Behavioral specification notation
29	5. Data types and on-the-wire formats in a PTP system 5.1 General 5.2 Primitive data type specifications
30	5.3 Derived data type specifications
33	5.4 On-the-wire formats
34	6. Clock synchronization model 6.1 General 6.2 Principle assumptions about the network and implementation recommendations
35	6.3 PTP systems 6.4 PTP message classes
36	6.5 PTP device types
47	6.6 Synchronization overview
55	6.7 PTP communications overview
59	7. Characterization of PTP entities 7.1 Domains 7.2 PTP timescale
60	7.3 PTP communications
64	7.4 PTP communication media
65	7.5 PTP ports
71	7.6 PTP device characterization
79	7.7 PTP timing characterization
81	8. PTP data sets 8.1 General specifications for data set members
83	8.2 Data sets for ordinary and boundary clocks
92	8.3 Data sets for transparent clocks
94	9. PTP for ordinary and boundary clocks 9.1 General protocol requirements for PTP ordinary and boundary clocks 9.2 State protocol
101	9.3 Best master clock algorithm
110	9.4 Grandmaster clocks
111	9.5 Message processing semantics
125	9.6 Changes in the local clock 10. PTP for transparent clocks 10.1 General requirements for both end-to-end and peer-to-peer transparent clocks
126	10.2 End-to-end transparent clock requirements 10.3 Peer-to-peer transparent clock requirements 11. Clock offset, path delay, residence time, and asymmetry corrections 11.1 General specifications
127	11.2 Computation of clock offset in ordinary and boundary clocks
128	11.3 Delay request-response mechanism
130	11.4 Peer delay mechanism
135	11.5 Transparent clock residence time correction for PTP version 2 events
138	11.6 Asymmetry correction for PTP version 2 event messages
140	12. Synchronization and syntonization of clocks 12.1 Syntonization
141	12.2 Synchronization
142	13. PTP message formats 13.1 General 13.2 General message format requirements 13.3 Header
146	13.4 Suffix 13.5 Announce message
148	13.6 Sync and Delay_Req messages 13.7 Follow_Up message 13.8 Delay_Resp message
149	13.9 Pdelay_Req message 13.10 Pdelay_Resp message
150	13.11 Pdelay_Resp_Follow_Up message 13.12 Signaling message
151	13.13 Management message 14. TLV entity specifications 14.1 General requirements
152	14.2 Experimental TLVs
153	14.3 Vendor and standard organization extension TLVs 15. Management 15.1 General
154	15.2 PTP management mechanism 15.3 Processing of management messages
155	15.4 Management message format
156	15.5 Management TLVs
176	16. General optional features 16.1 Unicast message negotiation (optional)
181	16.2 Path trace (optional)
183	16.3 Alternate timescales (optional)
187	17. State configuration options 17.1 General 17.2 Data types for options
188	17.3 Grandmaster clusters (optional)
190	17.4 Alternate master (optional)
191	17.5 Unicast discovery (optional)
193	17.6 Acceptable master table (optional)
195	18. Compatibility requirements 18.1 Compatibility between version 2 and future versions 18.2 Compatibility between version 1 and version 2
196	18.3 Message formats and data types
201	18.4 Naming changes 18.5 Restrictions on mixed version 1 and version 2 systems
202	19. Conformance 19.1 Conformance objective 19.2 PTP conformance requirements
203	19.3 PTP profiles
205	Annex A (informative) Using PTP
215	Annex B (informative) Timescales and epochs in PTP
218	Annex C (informative) Examples of residence and asymmetry corrections
237	Annex D (normative) Transport of PTP over User Datagram Protocol over Internet Protocol Version 4
239	Annex E (normative) Transport of PTP over User Datagram Protocol over Internet Protocol Version 6
241	Annex F (normative) Transport of PTP over IEEE 802.3 /Ethernet
243	Annex G (normative) Transport of PTP over DeviceNET
246	Annex H (normative) Transport of PTP over ControlNET
248	Annex I (normative) Transport of PTP over IEC 61158 Type 10
255	Annex J (normative) Default PTP profiles
259	Annex K (informative) Security protocol (experimental)
282	Annex L (informative) Transport of cumulative frequency scale factor offset (experimental)
286	Annex M (informative) Bibliography
288	Annex N (informative) List of Participants

Additional information

Standard Title	IEC 61588 Ed.2 (IEEE Std 1588-2008): Precision Clock Synchronization Protocol for Networked Measurement and Control Systems
Published Code	IEEE
Publication Date	2009
Pages Count	292

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