I. Introduction

Against the backdrop of intensifying global technological competition and the deepening advancement of China’s indigenous information technology innovation industry, Core technologies are independently controllable. It has become a core strategy for China’s digital economy and national security system. Time servers, as part of network systems… “ Time Heart ” , providing for critical sectors such as finance, energy, government, and national defense Accurate Time synchronization, with its domestic substitution, is an important component of the information technology innovation industry. Beijing Zhongxinchuang Technology Co., Ltd. has independently developed DNTS-9HG Domestically developed XinChuang time server , based on Hai Guang / Phytium domestic chip It is compatible with domestic operating systems and supports BeiDou‑based autonomous time synchronization, making it a high‑end time‑synchronization device that is fully self‑controlled and compliant with the information technology innovation (ITI) standards, capable of meeting the requirements of critical sectors for time servers. “ Safety, Accurate , reliable, compatible ” the core requirements. This paper systematically analyzes, from the perspectives of technical architecture, core functionalities, domestic‑made adaptation, performance metrics, and application scenarios, DNTS-9HG A domestically developed, indigenous‑innovation‑compatible time server, providing professional guidance for selecting time‑synchronization equipment in indigenous‑innovation scenarios.

II. R&D Background and Product Positioning

(1) R&D Background

Currently, some domestic time servers still rely on overseas‑made chips. Intel 、 AMD ), operating system ( Windows Server ), exists Supply chain security, technological backdoors, data breaches, strategic dependencies Potential risks. In response to the national policy on the information technology innovation (ITI) industry, and to address time‑server challenges in critical sectors… “ bottleneck ” Issue, Zhongxin Chuang Technology relies on 20 With years of R&D experience in the time‑frequency field, we have integrated core technologies such as domestically produced chips, domestic operating systems, Beidou timing, and proprietary algorithms to develop… DNTS-9HG Domestically developed, domestically produced time server for the information technology innovation (ITI) initiative, realizing a time server. Hardware, software, algorithms, and time sources End-to-end domestic substitution.

(II) Product Positioning

DNTS-9HG The domestically developed XinChuang time server is positioned as High-end core timing equipment for the indigenous innovation (XinChuang) ecosystem , suitable for critical sectors such as finance, energy, government agencies, national defense and military industries, and research institutes, serving as a primary time reference for network systems, providing Nanosecond-level Accurate Time synchronization, fully autonomous and controllable, compatible with the entire domestically developed IT ecosystem, and highly reliable and stable operation. The time synchronization service is a critical component of the infrastructure in the era of indigenous innovation. “ The Cornerstone of Time Security ”。

III. Core Technical Architecture (Domestic Full-Stack)

DNTS-9HG Adopt Domestic hardware platform + Domestic operating system + Autonomous Time Synchronization Algorithm + Beidou timing source A full‑stack domestically developed architecture, with no foreign‑origin core components and fully independent, controllable technology:

(1) Domestic Hardware Platform

1. Core processor ( CPU ) : Equipped with Hai Guang DC Series / Flying Teng FT Series of domestically produced chips , delivering robust performance and stable power consumption, certified by authoritative domestic chip standards, free of foreign‑origin backdoors, and fully compatible with the Xinchuang hardware ecosystem;
2. Time-keeping board card : Independently developed a domestically produced Beidou timing board, integrating a high-precision Beidou‑3 receiver and supporting single‑system Beidou operation. / Beidou + GPS Multi-mode time synchronization, with timing accuracy reaching 2.8ns , entirely independently developed and designed;
3. High-stability crystal oscillator : Built-in domestic temperature-compensated crystal oscillator ( OCXO ), with high frequency stability, it can maintain high-precision timekeeping even when satellite signals are lost (timekeeping accuracy: 1 μs/h ), ensuring that the time reference remains uninterrupted;
4. Hardware redundancy design : Dual power supply redundancy, dual network port redundancy, and critical circuit redundancy; all components are sourced from reputable domestic brands, have passed multiple authoritative certifications, and are built to last, supporting 7*24 Hourly continuous operation.

(II) Domestic Operating Systems and Software Ecosystem

1. Operating system : Pre-installed Galaxy Kylin, UnionTech UOS It supports domestic server operating systems, is compatible with the Xinchuang software ecosystem, is free from security vulnerabilities associated with foreign‑origin operating systems, and enables independent system upgrades and maintenance.
2. Core Timing Software : Independently developed time synchronization management software, supporting NTPv1-v4 、 PTP ( IEEE 1588 ), 1PPS、 IRIG-B Supports all mainstream time‑synchronization protocols, with a self‑developed algorithm that enables time synchronization from the millisecond to the nanosecond level.
3. Monitoring and Management Software : Matching B/S Intelligent Architecture-Based Network-Wide Time Synchronization Monitoring Software , domestically developed and fully compatible, it supports real-time monitoring of device operating status, time synchronization accuracy, alert notifications, asset management, and data visualization—no client installation required; remote operations and maintenance can be performed directly through a web browser.

(3) Autonomous Time-Keeping Algorithm

DNTS-9HG The core timing algorithm is developed by Zhongxin Chuang Technology. Fully independently developed , including satellite signal decoding algorithms, local clock discipline algorithms, network delay compensation algorithms, and clock drift suppression algorithms:

1. Satellite signal decoding algorithm : Compatible with BeiDou-3 triple-frequency signals, Accurate It parses timecode and position information, exhibits strong resistance to interference and spoofing, and maintains stable decoding even in complex electromagnetic environments.
2. Local Clock Synchronization Algorithm : Based on Beidou Accurate Time—dynamically calibrates the frequency of a domestically produced temperature‑compensated crystal oscillator, suppresses crystal drift, and ensures extremely low long‑term timing deviation.
3. Network Latency Compensation Algorithm : Targeting NTP/PTP The protocol introduces network transmission latency; intelligent computation detects and compensates for this latency, thereby enhancing the synchronization accuracy across the entire network.

IV. Core Functions and Performance Metrics

(1) Core Functions

1. Multi-mode time synchronization, independently controllable : Support Single-BDS Timing (Default), Beidou + GPS Multi-mode timing, with the BeiDou‑only mode completely independent of foreign satellites, meets the highest security requirements.
2. Fully protocol-compatible and widely adaptable. : Support NTPv1-v4 、 PTP ( IEEE 1588-2008 ), 1PPS (Second pulse), 1PPM (division pulse), IRIG-B ( DC/AC ) and other protocols, compatible Windows 、 Linux , all categories of terminals, including domestic operating systems, switches, routers, industrial equipment, and more;
3. High-Precision Time Synchronization and Timekeeping : Satellite timing accuracy 2.8ns， NTP Synchronization accuracy 1-5ms (Local Area Network), PTP Synchronization accuracy at the sub-microsecond level; after satellite signal loss, the temperature-compensated crystal oscillator maintains timing accuracy. 1 μs/h , can be maintained 72 More than an hour Accurate Punctuality;
4. Intelligent Monitoring and Operations & Maintenance ： B/S Architecture monitoring software that supports device status monitoring, time‑accuracy measurement, and alert configuration (via email). / SMS alerts, device asset management, historical data retrieval, and remote upgrade and maintenance—ensuring convenient and efficient operations and maintenance.
5. Security protection against attacks and tampering : Support NTP/PTP Protocol encryption and authentication, tiered access control, firewall protection, and prevention of… DDoS Mitigate attacks, prevent time‑spoofing, ensure the security of timing data, and guard against malicious time tampering.
6. Domestic ecosystem adaptation : Fully compatible with domestic chips (Hygon) / Phytium, domestic operating system (Galaxy Kylin) / UnionTech UOS ), domestic databases and middleware seamlessly integrate into the indigenous innovation software and hardware ecosystem.

(II) Key Performance Indicators

V. Domestic Localization and Compatibility, and Information Technology Innovation Certification

DNTS-9HG Strictly adhere to the standards of the indigenous innovation industry and complete End-to-end domestic adaptation and has obtained multiple authoritative IT innovation and industry certifications, meeting the procurement requirements of critical sectors:

1. XinChuang Ecosystem Certification : Certified to work with Hygon and Phytium domestic chips, as well as Galaxy Kirin and UOS. UOS Certified as a domestic operating system and included in the product catalog of member units of the Information Technology Application Innovation Working Committee.
2. Authoritative Testing and Certification : through Single‑Beidou terminal testing by the Fifth Research Institute of Electronics, Ministry of Industry and Information Technology. , Calibration by the National Institute of Metrology, China, CNAS Certification, CE Certification, Quality Management System Certification ( ISO9001 );
3. Industry-Specific Certification Reliability has been officially certified by China Railway Corporation and the Shanghai Railway Bureau in the rail transit sector, meeting compliance requirements across industries such as finance, civil aviation, and energy.

VI. Typical Application Scenarios

(1) Financial Industry

Financial institutions such as banks, insurance companies, securities firms, and stock exchanges require that their core trading systems, clearing and reconciliation systems, and risk control systems… Accurate , secure time synchronization, DNTS-9HG As a stratum‑1 time server, it ensures the accuracy of transaction timestamps. Accurate Immutable, mitigating risks associated with external time synchronization.

(II) Government Agencies and E-Government Systems

Governments at all levels, government service centers, and public security and judicial agencies—along with government information systems, security‑monitoring networks, and data‑sharing platforms—must adopt a unified time reference. Domestic‑made solutions that meet the government’s indigenous innovation procurement requirements will ensure the security of government data and the stability of critical systems.

(3) Energy and Power Industry

In the petrochemical, power grid, new‑energy power‑station, and oil‑and‑gas pipeline sectors, industrial control systems, dispatching systems, and equipment operation and maintenance all require time synchronization to resist electromagnetic interference, while domestically developed designs are tailored to meet the demands of China’s industrial information‑technology innovation (ITI) landscape.

(4) National Defense Industry and Research Institutes

National defense communications, command and control systems, defense‑industry enterprises, and research laboratories require a time reference that is independently controllable and meets high security standards—single‑北斗 timing. + Domestically produced hardware that meets the highest security requirements of the defense and military industries.

(5) Large-Scale Data Centers

Innovation‑driven cloud data centers, state‑owned enterprise data centers, and government cloud platforms require high‑density time synchronization for server clusters, virtual machines, and storage devices. DNTS-9HG High-performance, highly redundant design, tailored to meet the high-density timing requirements of large-scale data centers.

VII. Summary of Product Advantages

1. Full-stack domestication, secure and controllable. : Domestic chips, domestic operating systems, Beidou time synchronization, and proprietary algorithms—without any foreign‑made core components—comply with the Information Technology Innovation (XinChuang) standards and mitigate security risks.
2. Ultra-high precision, Accurate Reliable : Satellite timing accuracy 2.8 ns ， NTP/PTP Dual‑protocol high‑precision synchronization and temperature‑compensated crystal oscillator timing ensure stable performance, meeting stringent accuracy requirements.
3. Eco-friendly and widely compatible : Fully compliant with all protocols, compatible with all terminals and the entire domestically developed IT ecosystem, seamlessly integrates into existing networks and domestic IT environments, and reduces deployment and adaptation costs;
4. Intelligent operations and maintenance, stable and long-lasting. ： B/S Architectural remote monitoring with timely alerts and hardware redundancy design, 7*24 Hour-long continuous operation, after-sales service “ Only replacement, no repair. ” , ensuring long-term stability;
5. Authoritative certification, worry-free compliance. : Holds multiple indigenous innovation and industry‑leading certifications, meeting procurement and compliance requirements in critical sectors and mitigating compliance risks.

VIII. Conclusion

DNTS-9HG The domestically developed XinChuang time server is a product of Zhongxin Chuang Technology, designed to align with the national XinChuang strategy and achieve breakthroughs in the localization of time servers. “ bottleneck ” At the heart of the solution lies a fully domestically developed architecture, high‑precision timing capabilities, and comprehensive ecosystem compatibility, providing security for critical domains, Accurate A reliable time synchronization solution. As the indigenous innovation (XinChuang) industry enters its full‑scale implementation phase, Zhongxin Chuang Technology will continue to optimize. DNTS-9HG Product performance enhances the domestic time‑frequency product portfolio, supporting the high‑quality development of China’s information technology innovation industry and providing a robust, independently controllable time‑reference foundation for the construction of Digital China.