Control Messages Protocol for Use with Network Time Protocol Version 4

Document Type Expired Internet-Draft (individual)
Authors David Mills  , Karen O'Donoghue  , Harlan Stenn  , Phil Chimento 
Last updated 2014-04-24 (latest revision 2013-10-21)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes the structure of the control messages used with the Network Time Protocol. These control messages can be used to monitor and control the Network Time Protocol application running on any IP network attached computer. The information in this informational RFC was originally described in Appendix B of RFC 1305.


David Mills (
Karen O'Donoghue (
Harlan Stenn (
Phil Chimento (

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