Transporting PTP messages over MPLS networks using a link local addressing

Document Type Expired Internet-Draft (individual)
Last updated 2012-09-06 (latest revision 2012-03-05)
Stream (None)
Intended RFC status (None)
Expired & archived
plain text pdf html bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document introduces a method for transporting PTP messages over an MPLS network supported by an Ethernet physical layer. The MPLS layer itself is not used to carry the PTP messages with this method; instead, a link local Ethernet channel is used. Several advantages related to this method are highlighted in this document. The method targets in particular telecom applications requiring accurate phase/time synchronization, with "link-by-link" PTP architectures, where all the network nodes support a PTP function, such as Boundary Clock or Transparent Clock.


Sebastien Jobert (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)