Mills, David L. - Department of Electrical and Computer Engineering, University of Delaware

• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP) Version 3,
• A. Appendix A. Operating Notes The hardware and software design described in this report implements a FSK modem/TNC for HF
• NTP Precision Time Synchronization
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• Wiretap: An Experimental Multiple-Path Routing Algorithm1,2,3 David L. Mills
• 1. Introduction rk described in this report started out is an exploration of projects that could be used in laboratory
• Appendix B. Program Listing * Program to control LORAN-C radio *
• DCnet Research Network David L. Mills
• The Fuzzball1,2,3 David L. Mills
• Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll 22-Sep-08 1
• Confessions of an Internet alautun, Maya glyph
• 26-Apr-06 1 Published by CRC Press, 2006, 304 pp.
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 10-Jan-03 1 alautun, Maya glyph
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 24-Aug-04 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• The Nanokernel1 David L. Mills2
• 16-Oct-98 2 Minimize dependence on prior
• Scalable, High Speed, Internet Time Synchronization Defense Advanced Research Projects Agency
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• Advances in Computer Network Timekeeping NSF Division of Network and Computer Reserach Grant NCR-93-01002
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• Scalable, High Speed, Internet Time Synchronization Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• This document is the Final Technical Report on Contract F30602-98-1-0225, DARPA Order G409/J175. It contains material reformatted from the web pages that are the intended final prod-
• 1. Introduction There are three descriptive web pages included in this document
• 1. Introduction This report covers recent work in refining and extending the Network Time Protocol (NTP). The
• This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchro-
• A Probabilistic Approach for Achieving Fair Bandwidth Allocations in CSFQ Peng Wang David L. Mills
• SPEEDING UP THE CONVERGENCE OF ESTIMATED FAIR SHARE IN Department of Electrical & Computer Engineering
• Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll The Nanokernel
• Investigating the Scaling Behavior, Crossover and Anti-persistence of Internet Packet Delay Dynamics
• 1. Introduction A reliable distributed network service requires provisions to prevent accidental or malicious
• This report describes a software program that functions as a radio clock using shortwave radio signals transmitted by National Institute of Standards and Technology (NIST) radio stations
• This report describes a digital modem for narrowband, direct printing radiotelegraph signals commonly used for data communications in the decametric (3-30 MHz) radio spectrum. The digital
• B. Appendix B. Word Error Rate for Asynchronous Radiotelegraph Signals B.1. Introduction
• A Kernel Programming Interface for Precision Time Signals Technical Memorandum
• 27-Apr-04 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 31-Oct-05 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 16-Apr-05 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• 24-Aug-04 1 alautun, Maya glyph
• 1. Appendix A. NTP Data Format -Version 3 The format of the NTP Message data area, which immediately follows the UDP header, is shown
• On Calibrating Measurements of Packet Transit Times Vern Paxson
• Internet Architecture Workshop: Future of the Internet System Architecture and TCP/IP Protocols 1,2
• inWonderland,Lewis Authentication
• A. Appendix A. NTP Data Format Version 3 The format of the NTP Message data area, which immediately follows the UDP header, is shown
• Delaware http://www.eecis.udel.edu/~mills mills@udel.edu Introduction #
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• A. Appendix A. Operating Notes The hardware and software design described in this report implements a FSK modem/TNC for HF
• AUTHENTICATION SCHEME FOR DISTRIBUTED, UBIQUITOUS, REALTIME PROTOCOLS 1,2 David L. Mills
• 1. Introduction How do hosts and gateways in a large, dispersed networking community know what time it is? How
• University of Wurzburg Institute of Computer Science
• A Brief History of NTP Time: Confessions of an Internet Timekeeper 1,2 David L. Mills, Fellow ACM, Senior Member IEEE 3
• Telecommunications/Information Distribution Authentication
• Internet Timekeeping Around the Globe 1,2 David L. Mills 3 , Ajit Thyagarjan and Brian C. Huffman
• Cryptographic Authentication for RealTime Network Protocols 1,2 David L. Mills 3
• 1. Introduction This report discusses the analysis and design of computer clocks. A computer clock is an ensemble
• 31-Oct-05 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• A. Appendix A. NTP Data Format -Version 3 The format of the NTP Message data area, which immediately follows the UDP header, is shown
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• 18-Jul-00 3 Minimize dependence on engineered
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Timekeeping Interplanetary
• alautun, Maya glyph Network Time Protocol (NTP)
• Appendix A. Host Computer Interface The host computer interface is contained on a plug-in module designed for the IBM PC/XT/AT bus.
• Wiretap: AnExperimental MultiplePath Routing Algorithm 1,2,3 David L. Mills
• Simple Analysis of XCP Equilibrium Performance Department of Electrical & Computer Engineering
• From NBS Special Publication 432 (1979 edition, now out of print) Coping with Overload on
• Timekeeping in the Interplanetary Internet
• Internet Timekeeping Around the Globe1,2 David L. Mills3, Ajit Thyagarjan and Brian C. Huffman
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• 1. Introduction The Network Time Protocol (NTP) is widely used in the Internet to synchronize computer time to
• An Investigation Using Wavelet Analysis to Detect A Change In The Characteristics Of Self-Similar Traffic
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• Adaptive Hybrid Clock Discipline Algorithm for the Network Time Protocol1,2
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• inWonderland,Lewis Architecture,
• Time and Time Interval Measurement with Application to Computer and Network Performance Evaluation
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• A Brief History of NTP Time: Confessions of an Internet Timekeeper1,2 David L. Mills, Fellow ACM, Senior Member IEEE3
• A Kernel Model for Precision Timekeeping Technical Memorandum
• 1. Introduction This report describes a model and programming interface for generic operating system software that
• 1. Introduction A reliable distributed network service requires provisions to prevent accidental or malicious
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• 1. Introduction General purpose workstation computers are becoming faster each year, with processor clocks now
• 1. Introduction The work described in this report continues similar work described in a previous report [3]. That
• This report describes proposed changes in the security model and authentication scheme for the Network Time Protocol Version 4, which is an enhanced version of the current Versing 3. The
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• This memo describes the Network Time Protocol (NTP) designed to distribute time information in a large, diverse internet system operating at speeds from mundane to lightwave. It uses a return-
• 1. Introduction The Network Time Protocol (NTP) is widely used in the Internet to synchronize computer time to
• B. Appendix C. Modem Data Carrier Detector Signal One of the most intractable algorithms is one that reliably discriminates FSK signals from noise in
• inWonderland,Lewis Principles David
• A Kernel Programming Interface for Precision Time Signals Technical Memorandum
• A Kernel Model for Precision Timekeeping Technical Memorandum
• This report describes a digital modem for narrowband, direct printing radiotelegraph signals commonly used for data communications in the decametric (330 MHz) radio spectrum. The digital
• Control Architecture for Tuning Intensity and Burstiness of Traffic Qiong Li David L. Mills
• TheFuzzball 1,2,3 David L. Mills
• 1. Introduction Localarea networks operating at speeds approaching or exceeding 1 Gbps are not uncommon in
• alligators, adventures)
• Appendix A. Host Computer Interface The host computer interface is contained on a plugin module designed for the IBM PC/XT/AT bus.
• Scalable, High Speed, Internet Time Synchronization Defense Advanced Research Projects Agency
• Engineering http://www.eecis.udel.edu/~mills
• Synchronization: Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• This report describes analytical models and design methodologies for computer clocks synchronized to other clocks in a computer network or internetwork. This requires each clock to function as a
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP), which is
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP), which is
• Improved Algorithms for Synchronizing Computer Network Clocks 1,23
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• inWonderland,Lewis Implementation
• On the Accuracy and Stability of Clocks Synchronized by the Network Time Protocol in the Internet System 1,2,3
• inWonderland,Lewis Configuration
• Status of this Memo This document describes the Network Time Protocol (NTP), specifies its formal structure and
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• This report describes several changes and additions proposed for the Network Time Protocol Version 4. Previous versions of this protocol have been widely deployed in the Internet and a
• 24-Aug-04 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• The NSFNET Backbone Network1,2 David L. Mills
• Publication Introduction o
• Adaptive Hybrid Clock Discipline Algorithm for the Network Time Protocol 1,2
• COPING WITH OVERLOAD ON THE NETWORK TIME PROTOCOL PUBLIC SERVERS 1
• The Nanokernel 1 David L. Mills 2
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• This report describes the Simple Network Time Protocol (SNTP) Version 4, which is an adapta-tion of the Network Time Protocol (NTP) used to synchronize computer clocks in the Internet.
• Scalable, High Speed, Internet Time Synchronization Defense Advanced Research Projects Agency
• IEEE/ACM TRANSACTIONS ON NETWORKING, VOL. 10, NO. 3, JUNE 2002 381 Detecting Shared Congestion of Flows Via
• Cryptographic Authentication for Real-Time Network Protocols1,2 David L. Mills3
• The Network Computer as Precision Timekeeper1,2 David L. Mills3
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• 1. Introduction This is one of a series of reports on the technology of synchronizing clocks in computer networks.
• AUTHENTICATION SCHEME FOR DISTRIBUTED, UBIQUITOUS, REAL-TIME PROTOCOLS1,2 David L. Mills
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• mills@udel.edu PostScript presentation
• inWonderland,Lewis Selfsimilar
• This report builds on previous work involving the Network Time Protocol, which is used to synchronize computer clocks in the Internet. It describes a series of incremental improvements in
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• inWonderland,Lewis Timekeeping
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• B. Appendix B. Word Error Rate for Asynchronous Radiotelegraph Signals B.1. Introduction
• On the Chronometry and Metrology of Computer Network Timescales and their Application to the Network Time
• 10-Jan-03 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• Contradictory Relationship between Hurst Parameter and Queueing Performance
• Internet Time Synchronization: the Network Time Protocol1,2,3 David L. Mills
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• Jitter Based Delay Boundary Prediction of Wide-Area Networks David L. Mills
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Improved Algorithms for Synchronizing Computer Network Clocks1,2,3
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP) Version 3,
• 18-May-05 1 "When you are up to your ass in alligators, it is wise
• Improved Algorithms for Synchronizing Computer Network Clocks 1,2,3
• Synchronization alautun,Maya
• Investigating the Scaling Behavior, Crossover and Antipersistence of Internet Packet Delay Dynamics
• inWonderland,Lewis Descriptions
• 10-Jan-03 1 alautun, Maya glyph
• 31-Oct-05 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• Internet Architecture Workshop: Future of the Internet System Architecture and TCP/IP Protocols1,2
• inWonderland,Lewis DIMACSWorkshop 27
• Management of the Network Time Protocol (NTP) with SNMP 1 Technical Report No. 9809
• 1. Introduction General purpose workstation computers are becoming faster each year, with processor clocks now
• This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchro
• inWonderland,Lewis Developments
• Delaware http://www.eecis.udel.edu/~mills mills@udel.edu engineering
• Confessions alautun,Maya
• Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu Introduction l
• A Survey of the NTP Network Nelson Minar
• This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchro
• 1. Introduction How do hosts and gateways in a large, dispersed networking community know what time it is? How
• Status of this Memo This paper describes a series of experiments involving over 100,000 hosts of the Internet system
• 1. Introduction Local-area networks operating at speeds approaching or exceeding 1 Gbps are not uncommon in
• 1. Introduction As computers and communication networks become ever faster, there is a need to upgrade the
• Advanced Telecommunications/Information Distribution Research Program
• This report is a substantial revision of RFC-1589, "A Kernel Model for Precision Timekeeping," March, 1994. It includes several changes to the daemon and user interfaces, as well as a new feature
• 1. Appendix A. NTP Data Format Version 3 The format of the NTP Message data area, which immediately follows the UDP header, is shown
• inWonderland,Lewis Services DARPA
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP) Version 3,
• 1. Introduction The Network Time Protocol (NTP) Version 3 specified in RFC1305 [9] is widely used to syn
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• Appendix B. Program Listing * Program to control LORANC radio *
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchro-
• A Survey of the NTP Network Nelson Minar
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• This reportdescribes analytical models and design methodologies for computer clocks synchronized to other clocks in a computer network or internetwork. This requires each clock to function as a
• Mills Information Track [Page i] NTP Working Group David L. Mills
• 1. Introduction The Network Time Protocol (NTP) Version 3 specified in RFC-1305 [9] is widely used to syn-
• COPING WITH OVERLOAD ON THE NETWORK TIME PROTOCOL PUBLIC SERVERS1
• On the Use of Self-Similar Processes in Network Simulation
• Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll Long-range Dependency Effects
• NTP Architecture, Protocol and Algorithms
• Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll Interleaved Synchronization
• 1. Introduction How do hosts and gateways in a large, dispersed networking community know what time it is? How
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP), which is
• Timekeeping Thyagarajan,
• This report describes the design and construction of a specialized radio timing receiver for the LORAN-C radionavigation system. The computer-controlled receiver provides a precision fre-
• B. Appendix C. Modem Data Carrier Detector Signal One of the most intractable algorithms is one that reliably discriminates FSK signals from noise in
• This report describes a scheme for authenticating servers to clients for the Network Time Proto-col. It extends prior schemes based on symmetric-key cryptography to a new scheme based on
• Mills Standards Track [Page i] Network Working Group David L. Mills
• This report describes the analysis, implementation and performance of engineered algorithms to discipline a computer clock to a source of standard time, such as a GPS receiver or another com-
• Management of the Network Time Protocol NTP with SNMP 1 Technical Report No. 98-09
• Architecture, Tenniel;Alice's
• Precision Synchronization of Computer Network Clocks1,2,3 David L. Mills
• CAIRN/DARTnet Collaboration David L. Mills
• inWonderland,Lewis Performance
• inWonderland,Lewis Interleaved
• 1. Introduction The work described in this report continues similar work described in a previous report [3]. That
• 1. Introduction How do hosts and gateways in a large, dispersed networking community know what time it is? How
• The Network Computer as Precision Timekeeper 1,2 David L. Mills 3
• The Highball Project Profs. David L. Mills, Charles G. Boncelet, and John G. Elias
• On the Long-range Dependence of Packet Round-trip Delays in Internet Qiong Li David L. Mills
• Time and Time Interval Measurement with Application to Computer and Network Performance Evaluation
• 1. Introduction This is one of a series of reports on the technology of synchronizing clocks in computer networks.
• 1. Introduction There are three descriptive web pages included in this document
• This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchro
• 1. Introduction This report describes a model and programming interface for generic operating system software that
• This report is a substantial revision of RFC1589, ``A Kernel Model for Precision Timekeeping,'' March, 1994. It includes several changes to the daemon and user interfaces, as well as a new feature
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• 1. Introduction This report covers recent work in refining and extending the Network Time Protocol (NTP). The
• CAIRN/DARTnet Collaboration
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP) Version 3,
• inWonderland,Lewis Delaware http://www.eecis.udel.edu/~mills mailto:mills@udel.edu
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• 24-Aug-04 1 Sir John Tenniel; Alice's Adventures in Wonderland,Lewis Carroll
• Sensitivity of ABR Congestion Control Algorithms to Hurst Parameter Estimates
• This paper describes a series of experiments involving over 100,000 hosts of the DARPA/NSF Internet system and located in the U.S., Europe and the Pacific. The experiments are designed to
• On the Chronometry and Metrology of Computer Network Timescales and their Application to the Network Time
• This memo describes the Network Time Protocol (NTP) designed to distribute time information in a large, diverse internet system operating at speeds from mundane to lightwave. It uses a return
• 1. Introduction As computers and communication networks become ever faster, there is a need to upgrade the
• The NSFNET Backbone Network 1,2 David L. Mills
• Jitter Based Delay Boundary Prediction of WideArea Networks Qiong Li David L. Mills y
• Survivable, Real Time Network Services Defense Advanced Research Projects Agency
• 1. Introduction This document constitutes a formal specification of the Network Time Protocol (NTP), which is
• On the Accuracy and Stability of Clocks Synchronized by the Network Time Protocol in the Internet System1,2,3
• This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchro-
• 1. Introduction How do hosts and gateways in a large, dispersed networking community know what time it is? How
• Control Architecture for Tuning Intensity and Burstiness of Traffic Qiong Li David L. Mills
• Improved Algorithms for Synchronizing Computer Network Clocks1,23
• This document describes a network architecture called Highball and a preliminary design for a prototype, wide-area data network designed to operate at speeds of 1 Gbps and beyond. It is intended
• Scalable, High Speed, Internet Time Synchronization Advanced Research Projects Agency
• 1. Introduction This report discusses the analysis and design of computer clocks. A computer clock is an ensemble
• Precision Synchronization of Computer Network Clocks 1,2,3 David L. Mills
• Internet Time Synchronization: the Network Time Protocol 1,2,3 David L. Mills
• 1. Introduction rk described in this report started out is an exploration of projects that could be used in laboratory
• On the Longrange Dependence of Packet Roundtrip Delays in Internet Qiong Li David L. Mills \Lambda
• 1. Introduction How do hosts and gateways in a large, dispersed networking community know what time it is? How
• This report describes several changes and additions proposed for the Network Time Protocol Version 4. Previous versions of this protocol have been widely deployed in the Internet and a
• Status of this Memo This document describes the Network Time Protocol (NTP), specifies its formal structure and