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.
| Title | Publication Date | Format |
|---|---|---|
| Network Time Protocol Version 4 Reference and Implementation Guide | June 1, 2006 | |
| The Autokey Security Architecture, Protocol and Algorithms | January 1, 2006 | |
| The Autokey Security Architecture, Protocol and Algorithms | February 1, 2003 | RFC (PDF) Abstract (PDF) Body (PDF) |
| Public Key Cryptography for the Network Time Protocol | May 1, 2000 | Abstract (PDF) Body (PDF) |
| A Survey of the NTP Network | December 9, 1999 | |
| Highball: a High Speed, Reserved-Access, Wide Area Network | August 2, 1998 | |
| Management of the Network Time Protocol (NTP) with SNMP | November 23, 1997 | |
| A Precision Radio Clock for WWV Transmissions | August 1, 1997 | |
| Clock Discipline Algorithms for the Network Time Protocol Version 4 | March 3, 1997 | Abstract (PDF) Body (PDF) |
| Proposed Authentication Enhancements for the Network Time Protocol Version 4 | October 3, 1996 | Abstract (PDF) Body (PDF) |
| Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI | October 2, 1996 | Abstract (PDF) Body (PDF) |
| Network Time Protocol Version 4 Proposed Changes | October 2, 1994 | Abstract (PDF) Body (PDF) Appendices (PDF) |
| Unix Kernel Modifications for Precision Time Synchronization | October 1, 1994 | Abstract (PDF) Body (PDF) |
| Precision Synchronization of Computer Network Clocks | November 1, 1993 | Abstract (PDF) Body (PDF) Appendix A (PDF) Appendix B (PDF) Appendix C (PDF) Appendix D (PDF) |
| Modelling and Analysis of Computer Network Clocks | May 2, 1992 | Abstract (PDF) Body (PDF) |
| A Computer-Controlled LORAN-C Receiver for Precision Timekeeping | March 1, 1992 | Abstract (PDF) Body (PDF) Appendix A (PDF) Appendix B (PDF) Appendix C (PDF) |
| Highball: a High Speed, Reserved-Access, Wide Area Network | September 1, 1990 | |
| Network Time Protocol (Version 3) Specification, Implementation and Analysis | June 1, 1990 | Abstract (PDF) Body (PDF) Appendices (PDF) |
| Measured Performance of the Network Time Protocol in the DARPA/NSF Internet System | September 3, 1989 | Abstract (PDF) Body (PDF) |
| Network Time Protocol (Version 2) Specification and Implementation | September 2, 1989 | Abstract (PDF) Body (PDF) |
| Internet Time Synchronization: the Network Time Protocol | September 1, 1989 | Abstract (PDF) Body (PDF) |