1. Scalability. To ensure the system can grow and adapt to future demands, it is recommended to implement a distributed architecture combined with a modular design. This approach allows for easy expansion of both functionality and system size, as well as smooth integration with new software updates. The system should be flexible enough to be customized or scaled according to user needs, offering a high level of adaptability.
2. Ease of System Upgrade and Maintenance. Given the complexity and large scale of the urban monitoring and alarm networking system, the core software and hardware must support automatic updates and maintenance. As the system consists of multiple interconnected components—such as networks, storage units, operating systems, platform software, and various front-end devices—each subsystem should maintain detailed logs that track system modules, configurations, and operations. This ensures better troubleshooting and system management over time.
3. Management Function and User-Friendly Operation. Considering the system's size and complexity, the management platform must have a robust architecture with clear separation between core system management and business management functions. This ensures that different application requirements are met efficiently. With numerous servers involved, including management, storage, and forwarding servers, the network management capabilities must be strong and reliable. The user interface should be intuitive, simple, and easy to navigate, allowing users to manage and maintain the system with minimal training and effort.
4. Reliability and Stability. The system should be built using proven technologies and dependable equipment, with redundancy measures in place for critical components. It must also feature strong fault tolerance and recovery mechanisms, ensuring continuous operation and quick restoration in case of failures. This guarantees long-term stability and minimizes downtime, which is crucial for real-time monitoring applications.
5. Compatibility and Standardization. Ensuring compatibility across devices from different manufacturers and under various protocols is essential for seamless integration. The system should support efficient data exchange and interoperability, maximizing the value of existing infrastructure. Compliance with national and industry standards in control protocols, transmission methods, interfaces, video/audio codecs, and file formats enhances system openness and extends its lifecycle.
6. Security. System security involves protecting against unauthorized access, cyberattacks, and malicious threats. It requires multi-level authentication for users and strict device access controls. Since networked monitoring systems are particularly vulnerable, robust security measures must be implemented to prevent hacking, virus infections, and other threats. Additional protection is needed against environmental risks such as lightning, power outages, electromagnetic interference, and physical damage, ensuring comprehensive and effective security coverage.
7. Support for Secondary Development. With hundreds or even tens of thousands of cameras in a city’s surveillance network, the system must be designed for sustainable growth. To maximize the value of video resources, the platform should allow for secondary development, enabling custom integrations and advanced applications that enhance the overall utility of the system.
8. Advanced and Forward-Compatible. While transitioning to a fully digital system, it is important to retain and integrate existing analog systems where possible. A seamless connection between the old and new systems ensures a smooth transition and creates a unified urban video monitoring network, combining the best of both worlds.
9. Practicality. The system should be tailored to local conditions, including environmental factors, monitoring targets, and budget constraints. It must support the normal operation of the urban surveillance and alarm system while contributing effectively to public safety and security management.
10. Cost-Performance Ratio. Designers should carefully plan system functions and select appropriate equipment to achieve an optimal balance between performance and cost. High-quality core components are essential, but the overall system cost should remain reasonable to ensure good value for money. Front-end camera resolution is especially important; if it is below 460 lines, the image quality will suffer. Additionally, features like wide dynamic range may be necessary for certain applications to ensure clarity and effectiveness in challenging lighting conditions.
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