Windows Time Server
PresenTense Time Server
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Version 4.0 released!
If you purchased PresenTense Time Server after midnight (GMT), 5th March 2006, then this is a free upgrade. Contact support for details.
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PresenTense Time Server - Advantages at a glance
Accurate and reliable
( microsecond accuracy, 24/7 availability )
Easy to install and maintain
( most users up and running in less than a minute )
Versatile
(able to use almost any reference time source including GPS and internet time servers )
Low total cost of ownership
( support included meaning no yearly support fees )
Technical facts And Features for PresenTense Time Server
Larger, easier to navigate user interface
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Configurable to serve local time, solve those DST issues
[info]
Email notification upon error - now supports SMTP AUTH
[info]
Selective binding to interfaces on multihomed hosts
[info]
Configurable polling for GPS clocks upon COM port failure
[info]
Low cost of ownership, no yearly fees and support included
[info]
Multi protocol time server
[info]
Synchronizes to almost any true time source
[info]
Powerful configuration settings
[info]
High degree of accuracy
[info]
Offers time services to clients via your PC
[info]
Synchronizes to
GPS receivers
supporting the
NMEA
0183 protocol
[info]
Drivers for many reference clocks including Spectracom and Hopf
[info]
Accurate, inexpensive and reliable
[info]
Supports SNTP, UDP, TCP and NTP3 / NTP4 time server protocols
[info]
Simultaneously supports clients using different time protocols
[info]
NTP drivers for many GPS Receivers included
[info]
Free Run Support
[info]
Automatic compensation for system clock drift
[info]
Redundancy if time source unavailable
[info]
Runs as a true Time Server System Service
[info]
Highly Customizable
[info]
Remote Monitoring and Administration
[info]
Advanced statistical filtering to give high accuracy
[info]
This page last checked: 1172638801
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Overview
What is PresenTense Server
Quick Guide - NowTo
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
Internet Time Server Tab
Admin Tab
Performance Tab
Log Tab
Syslog & Line Printer
Advanced Settings
Ntp4 Plug-In
NTP4
GPS
NTP4 Plug-In Driver Troubleshooting
NTP4 Plug-In Driver Calibration
NTP4 Key Generator
Hardware
NTP4 Plug-In Drivers
Arbiter
Ultralink
Spectracom
TripNav TN-200
Generic NMEA GPS
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Bytefusion InSync Master Clock
Hopf PCI DCF77/GPS Receiver
Hopf 6870 & Compatibles
Undisciplined Local Clock
RFC 868
RFC 868
RFC 2030
RFC 2030
RFC 1305
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
Time Tools
PresenTense NT/2000/XP Client
PresenTense 98/95/ME Client
NTP Server Scanner
NMEA Recorder
NTP4 Query Command Line Tool
NTP Auditor
PresenTense NTP Auditor
NASD OATS Regulatory Compliance
About
About PresenTense Server
About Bytefusion Ltd.
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