Briefs

The information in this section was originally hosted on the University of Delaware homepage for Professor David L. Mills, PhD. While much of it can be considered historical, it provides an overview of the design principles for NTP and related time synchronization technology.

Briefs

Title Publication Date Format
Interleaved Synchronization Protocols for LANs and Space Data Links September 1, 2010 PDF
Time Transfer in Space September 22, 2008 PDF
NTP Precision Time Synchronization July 5, 2008 PDF
NTP Architecture, Protocol and Algorithms July 22, 2007 PDF
Confessions of an Internet Timekeeper February 14, 2007 PDF
Computer Network Time Synchronization: the Network Time Protocol April 26, 2006 PDF
NTP Clock Discipline Modelling and Analysis October 31, 2005 PDF
NTP Security Algorithms October 31, 2005 PDF
NTP Security Protocol October 31, 2005 PDF
“A Maze of Twisty, Turney Passages” – Routing in the Internet Swamp May 18, 2005 PDF
NTP Procedure Descriptions and Flow Diagrams April 16, 2005 PDF
Coping with Overload on the Network Time Protocol Public Servers December 5, 2004 PDF
WWV/H Demodulator and Decoder November 12, 2004 PDF
NTPv4 Specification Update November 10, 2004 PDF
Autonomous Configuration August 24, 2004 PDF
Internet Timekeeping Around the Globe August 24, 2004 PDF
NTP Clock Discipline Principles August 24, 2004 PDF
NTP Performance Analysis August 24, 2004 PDF
NTP Security Model August 24, 2004 PDF
CAIRN/DARTnet Collaboration August 2, 2004 PDF
Long-range Dependency Effects in Network Timekeeping August 2, 2004 PDF
Network Time Protocol (NTP) General Overview August 2, 2004 PDF
The Nanokernel August 2, 2004 PDF
Timekeeping in the Interplanetary Internet August 2, 2004 PDF
NTP Cryptographic Authentication (Autokey) July 25, 2004 PPT
Autokey Version 2 Protocol Model and Implementation January 10, 2003 PDF
Network Time Protocol (NTP) Recent Developments January 10, 2003 PDF
NTP Architecture, Protocol and Algorithms January 10, 2003 PDF
NTP Security Model January 10, 2003 PDF
NTP Security Protocol January 10, 2003 PDF
Network Time Protocol: Past, Present and Future January 10, 2003 PDF
Survivable Real-Time Network Services January 10, 2003 PDF
The Network Computer as Precision Timekeeper January 10, 2003 PDF
Survivable Real-Time Network Services - the Nanokernel March 13, 1999 PDF
Survivable Real-Time Network Services October 26, 1998 PDF
Ubiquitous Authentication Using Random Keys March 13, 1998 PDF
Wrangling a Large Herd of Internet Clocks October 27, 1997 PDF
Scalable, Autonomous Network Services Configuration March 6, 1997 PDF
Authentication Scheme for Distributed, Ubiquitous, Real-Time Protocols January 21, 1997 PDF
The Highball Project March 6, 1996 PDF