Time-Frequency Encyclopedia

Focus on time and frequency, precise and stable.

13

2026

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04

Data center‑grade DNTS‑9D time server, designed to meet the concurrent time‑synchronization needs of a massive number of terminals.

As the core computing hub of the digital era, data centers host critical workloads such as cloud computing, big data, and artificial intelligence. The temporal consistency across their vast array of nodes—including servers, storage devices, network equipment, and client terminals—directly impacts the accuracy of data processing, the orderly execution of business transactions, and the compliance of log‑based auditing.

Beijing Zhongxinchuang Technology Co., Ltd. has specially developed and launched, for data center application scenarios requiring high concurrency, high stability, and high reliability, The DNTS-9D data center‑grade time server boasts high performance, large capacity, and advanced redundancy, meeting the concurrent time‑synchronization needs of hundreds of thousands of terminal devices and providing a stable, reliable time reference for large‑scale data centers.

The DNTS-9D has been specifically optimized in its hardware configuration to meet the demanding operating conditions of data centers. It features a high-performance multi-core processor, paired with large-capacity cache and memory, delivering robust concurrent processing capabilities. The device can simultaneously handle NTP/PTP time‑synchronization requests from hundreds of thousands of clients, with latency kept below the millisecond level, thereby preventing synchronization bottlenecks caused by excessive concurrency. In terms of network interfaces, the device supports four Gigabit Ethernet ports—either electrical or optical—with optional 10‑Gigabit Ethernet options. It also offers link aggregation and load balancing, automatically allocating bandwidth based on network traffic to enhance data‑transfer efficiency while mitigating service interruptions due to single‑port failures. For storage, the system is equipped with redundant hard drives and supports RAID array configurations, ensuring secure storage of system settings and log data.

In terms of timing performance and stability, The DNTS‑9D features multi‑source time‑reference connectivity, supporting time synchronization via multiple satellite systems including BeiDou, GPS, and GLONASS. It allows flexible switching between primary and backup time sources based on operational needs, thereby enhancing time‑source reliability. The device is equipped with a high‑precision rubidium atomic clock or a temperature‑compensated crystal oscillator, delivering outstanding holdover performance; in the event of satellite signal loss, its holdover module can maintain long‑term time accuracy with an error as low as 0.1 μs/h, ensuring that data‑center business systems remain unaffected by time‑source anomalies. Additionally, the device supports a variety of time‑synchronization protocols, such as NTPv4 and PTPv2, and incorporates hardware timestamping technology, achieving sub‑nanosecond timing accuracy to meet the stringent time‑precision requirements of applications like financial high‑frequency trading, real‑time big‑data analytics, and the industrial Internet.

Data centers have extremely high requirements for the reliability and availability of their equipment. The DNTS‑9D is designed with robust redundancy and fault tolerance in mind. The device supports dual‑node hot standby and cluster deployment, allowing multiple DNTS‑9D units to form a redundant cluster that synchronizes operational status in real time via a heartbeat‑based monitoring mechanism. When the primary unit fails, the backup unit can perform an automatic switchover within milliseconds, ensuring uninterrupted time‑synchronization services. For power, the device features a 1+1 redundant power supply configuration with hot‑swappable modules, enabling replacement of a faulty power supply without service interruption and thereby enhancing system availability.

In addition, the equipment has passed Certified to ISO 9001 for quality management, all components undergo rigorous screening and testing, with a mean time between failures (MTBF) exceeding 100,000 hours, ensuring compliance with the 24/7 uninterrupted operation requirements of data centers. In terms of operations and maintenance, the DNTS-9D seamlessly integrates with Sinotrack’s intelligent, network-wide time‑synchronization monitoring software, supporting remote configuration, real-time status monitoring, fault alerts, log auditing, and more. Through the monitoring platform, O&M personnel can view critical metrics such as CPU utilization, memory usage, network traffic, time offset, and satellite signal strength in real time, while also customizing monitoring indicators and alert thresholds to promptly detect and address potential issues. The device supports the SNMP network management protocol and can be integrated with existing data center O&M systems—such as IBM Tivoli or HP OpenView—enabling unified operations management and reducing operational complexity.

In practical applications, The DNTS‑9D data center‑grade time server has successfully served large-scale data centers across industries such as finance, the internet, telecommunications, and energy. At the cloud computing data center of a leading internet company, this device provides time synchronization for over 500,000 servers, ensuring temporal consistency for cloud computing, big data analytics, and other applications, while reducing data processing errors by more than 90%. In the core data center of a state-owned bank, the DNTS‑9D delivers high‑precision time synchronization to core transaction systems, clearing systems, and risk‑control systems, supporting timestamped records for tens of millions of transactions daily and meeting the China Banking and Insurance Regulatory Commission’s regulatory requirements for financial transaction compliance. At an IDC data center operated by a major telecom provider, the device supplies a unified time reference to cloud hosts, virtual servers, network equipment, and other assets, thereby ensuring stable operation of communication services and the accuracy of log audits. Furthermore, the DNTS‑9D boasts excellent scalability and compatibility, allowing flexible addition of device nodes to accommodate data center expansion needs. It seamlessly integrates with domestically developed operating systems, databases, and middleware, aligning with the construction requirements of XinChuang‑compliant data centers. The device features a standardized rack‑mount design, conforming to 19‑inch rack installation specifications, with streamlined cabling that facilitates unified deployment and management within data centers.