title of this help project
Overview
What is PresenTense
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
Configuration
Settings  Tab
Advanced Settings
SNTP Time Source Tab
Local GPS Tab
NTP Time Source Tab
NTP4 Query Command Line Tool
Administration  Tab
Log Tab
Local GPS Receivers
Configuring via DHCP
DHCP Options 1-40
DHCP Options 41-80
Remote Installation
Technical
RFC 2030
RFC 868
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
About
About PresenTense
About Bytefusion Ltd.
Change Log
Time Tools
PresenTense Time Server
PresenTense NTP Auditor
High Resolution Time
NMEA Recorder
NTP Server Scanner

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