Multipath Time Synchronization

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Publisher: IETF
Doc Type: Experimental
Pages: 17
Abstract: Clock synchronization protocols are very widely used in IP-based networks. The Network Time Protocol (NTP) has been commonly deployed for many years, and the last few years have seen an increasingly rapid deployment of the Precision Time Protocol (PTP). As time-sensitive applications evolve, clock accuracy requirements are becoming increasingly stringent, requiring the time synchronization protocols to provide high accuracy. This memo describes a multipath approach to PTP and NTP over IP networks, allowing the protocols to run concurrently over multiple communication paths between the master and slave clocks, without modifying these protocols. The multipath approach can significantly contribute to clock accuracy, security, and fault tolerance. The multipath approach that is presented in this document enables backward compatibility with nodes that do not support the multipath functionality.
Publication Date: 2016-12-01
Status Note: Experimental
DOI: 10.17487/RFC8039
Link: https://doi.org/10.17487/RFC8039
Author(s): Alex Shpiner
Richard Tse
Craig Schelp
Tal Mizrahi
Keyword(s): NTP, PTP, Multiple Paths

Latest version of IETF RFC 8039

Document Versions — IETF RFC 8039

▶ IETF RFC 8039 (2016-12-01)

THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

10.1109-IEEESTD.2008.4579760 — IEEE1588 EXTERNAL
IETF RFC 5905 [Active*]

Bibliographic Reference(s)

10.1007-978-3-540-79232-1_19 — ASYMMETRY2 EXTERNAL
10.1109-GLOCOM.2005.1577769 — ASYMMETRY EXTERNAL
10.1109-ISPCS.2012.6336612 — DELAY-ATT EXTERNAL
10.1109-ISPCS.2012.6336621 — SLAVEDIV EXTERNAL
10.1109-ISPCS.2013.6644754 — MULTI EXTERNAL
10.1109-ISPCS.2013.6644760 — HIGH-AVAI EXTERNAL
10.1109-ISPCS.2014.6948693 — KALMAN EXTERNAL
10.1109-TNET.2010.2096232 — PARIS2 EXTERNAL
10.1145-1298306.1298329 — PARIS EXTERNAL
IETF.draft-janapath-intarea-traceflow-00 — TRACEFLOW EXTERNAL
IETF RFC 6418 [Active*]
IETF RFC 6824 [Superseded*]
IETF RFC 7384 [Active*]

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Referenced By

IETF RFC 9378 [Active*]