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IEC 61588:2021

Precision Clock Synchronization Protocol for Networked Measurement and Control Systems

General information
Valid from 08.06.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
08.06.2021
Main
27.02.2009
Main
IEC 61588:2021 defines a network protocol, the Precision Time Protocol (PTP), enabling accurate and precise synchronization of the real-time clocks of devices in networked distributed systems. The protocol is applicable to systems where devices communicate via networks, including Ethernet. The standard allows multicast communication, unicast communication or both. The standard specifies requirements for mapping the protocol to specific network implementations and defines such mappings, including User Datagram Protocol (UDP)/Internet Protocol (IP versions 4 and 6), and layer-2 IEEE 802.3 Ethernet.
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