Document Type Replaced Internet-Draft (ntp WG)
Authors Aanchal Malhotra  , Adam Langley  , Watson Ladd 
Last updated 2020-01-20
Replaced by draft-ietf-ntp-roughtime
Stream Internent Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-ntp-roughtime
Consensus Boilerplate Unknown
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This Internet-Draft is no longer active.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 specifies Roughtime - a protocol that aims to achieve rough time synchronization while detecting servers that provide inaccurate time and providing cryptographic proof of their malfeasance.


Aanchal Malhotra (
Adam Langley (
Watson Ladd (

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