A Dynamic Framework for Internet-Based Network Time Protocol

Area of Science:

• Computer Science
• Electrical Engineering
• Network Engineering

Background:

• Accurate time synchronization is essential for data collection and processing in sensor networks.
• Fluctuating network conditions challenge traditional timekeeping mechanisms.
• Reliable time synchronization is critical for accurate data correlation across sensor networks.

Purpose of the Study:

• To present a novel dynamic Network Time Protocol (NTP) algorithm (DNTP) that enhances precision and reliability.
• To introduce a dynamic mechanism for determining Round-Trip Time (RTT) for improved timekeeping.
• To evaluate the performance of DNTP against static NTP (SNTP) and GPS-based NTP (GNTP).

Main Methods:

• Implementation of the dynamic NTP algorithm on an FPGA.
• Comprehensive performance analysis comparing DNTP, SNTP, and GNTP.
• Evaluation of key performance metrics including variance, standard deviation, mean, and median accuracy.

Main Results:

• The proposed dynamic NTP (DNTP) algorithm significantly enhances time synchronization precision and reliability.
• DNTP demonstrates marked superiority in dynamic network scenarios compared to SNTP and GNTP.
• The dynamic RTT determination mechanism allows accurate timekeeping under varying network conditions.

Conclusions:

• The novel dynamic NTP algorithm (DNTP) provides a robust solution for time synchronization in sensor networks.
• DNTP's adaptability makes it suitable for time-critical applications like industrial IoTs.
• Precise and reliable time synchronization is achievable even in challenging, dynamic network environments.