Windows Time Server

What is PresenTense Server
Network Time Synchronization
Time Protocols & Accuracy
Which Time Protocol is Right for Me ?
GPS Time Synchronization
Free Run Support
Standard Deviation Statistical Filter
System Requirements
FAQ

Admin Tab
Settings Tab
Internet Time Server Tab
Handheld GPS Tab
NTP4+GPS Tab
NMEA Tab
Performance Tab
Log Tab
NTP4 Key Generator
NTP4 Plug-In Drivers
Undisciplined Local Clock
NTP4 Plug-In Driver Calibration
NTP4 Plug-In Driver Troubleshooting

TripNav TN-200
Generic NMEA GPS
Hand Held GPS Receivers
GPS Parts List
Arbiter
Bytefusion InSync Master Clock
Symmetricom
Spectracom Clock Formats
Spectracom
Hopf DCF77/GPS PCI-Bus Receiver
Hopf 6870 & Compatibles
Ultralink

RFC 1305
1. Introduction
1.1 Related Technology
2. System Architecture
2.1 Implementation Model
2.2 Network Configurations
3. Network Time Protocol
3.1 Data Formats
3.2 State Variables and Parameters
3.2.1 Common Variables
3.2.2 System Variables
3.2.3 Peer Variables
3.2.4 Packet Variables
3.2.5 Clock-Filter Variables
3.2.6 Authentication Variables
3.2.7 Parameters
3.3 Modes of Operation
3.4 Event Processing
3.4.1 Notation Conventions
3.4.2 Transmit Procedure
3.4.3 Receive Procedure
3.4.4 Packet Procedure
3.4.5 Clock-Update Procedure
3.4.6 Primary-Clock Procedure
3.4.7 Initialization Procedures
3.4.7.1 Initialization Procedure
3.4.7.2 Initialization-Instantiation Procedure
3.4.7.3 Receive-Instantiation Procedure
3.4.7.4 Primary Clock-Instantiation Procedure
3.4.8 Clear Procedure
3.4.9 Poll-Update Procedure
3.5 Synchronization Distance Procedure
3.6 Access Control Issues
4. Filtering and Selection Algorithms
4.1 Clock-Filter Procedure
4.2 Clock-Selection Procedure
4.2.1 Intersection Algorithm
4.2.2. Clustering Algorithm
5. Local Clocks
5.1 Fuzzball Implementation
5.2 Gradual Phase Adjustments
5.3 Step Phase Adjustments
5.4 Implementation Issues
6. Acknowledgments
7. References
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G
Appendix H
Appendix I

PresenTense NT/2000/XP Client
PresenTense 98/95/ME Client
NTP Server Scanner
NMEA Recorder
NTP4 Query Command Line Tool

PresenTense NTP Auditor
NASD OATS Regulatory Compliance

About PresenTense Server
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