NTP Interleaved Modes

The information below is for an old version of the document
Document Type Expired Internet-Draft (ntp WG)
Authors Miroslav Lichvar  , Aanchal Malhotra 
Last updated 2019-11-24 (latest revision 2019-05-23)
Replaces draft-mlichvar-ntp-interleaved-modes
Stream Internet Engineering Task Force (IETF)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state In WG Last Call
Document shepherd No shepherd assigned
IESG IESG state Expired
Consensus Boilerplate Yes
Telechat date
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document extends the specification of Network Time Protocol (NTP) version 4 in RFC 5905 with special modes called the NTP interleaved modes, that enable NTP servers to provide their clients and peers with more accurate transmit timestamps that are available only after transmitting NTP packets. More specifically, this document describes three modes: interleaved client/server, interleaved symmetric, and interleaved broadcast.


Miroslav Lichvar (mlichvar@redhat.com)
Aanchal Malhotra (aanchal4@bu.edu)

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