GB/T 39581-2020 in English
VALIDBiological disaster prevention and early warning system based on public communication network—General technical requirements for networking
- Issued on:2020-12-12
- Implemented on:2021-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
| Standard No: | GB/T 39581-2020 |
| Document status: | VALID |
| Title in English: | Biological disaster prevention and early warning system based on public communication network—General technical requirements for networking |
| Title in Chinese: | 基于公用通信网的生物灾害防治和预警系统 联网总体技术要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2020-12-12 |
| Implemented on: | 2021-07-01 |
| ICS Classification: | 33.030-Telecommunication services. Applications |
| Chinese Classification: | M32-Data communication equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | public communication network general
biological disaster prevention satellite/internet/mobile communication network technical requirements early warning system |
| Related Topics: | Based on systems biology
biowarning early warning system biowarning GBT39581 GB/T 39581-2020 General biological official website |
《GB/T 39581-2020基于公用通信网的生物灾害防治和预警系统 联网总体技术要求》由TC485（全国通信标准化技术委员会）、农业部联合归口，主管部门为工业和信息化部（通信）。
Introduction
Analysis of the core architecture of the standard
The standard adopts a layered model design, including the bearer layer (access technologies such as ADSL/FTTB), the business layer (media distribution/storage management) and the application layer (user service interface). The network architecture specifies the national-provincial-county three-level node deployment model, and realizes two-way data transmission through satellite/Internet/mobile communication network.
Comparison of key technical indicators
| Functional module | Core technology | Protocol support | Performance requirements |
|---|---|---|---|
| Data content management | 6 types of database linkage | HTTP/FTP | Cross-region data synchronization≤5min |
| Video transmission | AVS/MPEG-4 | RTP/RTCP | Mosaic rate＜0.1% |
| Terminal management | Distributed architecture | SNMP | Batch upgrade success rate≥99.9% |
Implementation points
Typical application scenario: When a provincial agricultural department deploys a system, it is necessary to focus on configuring the spatial data analysis model library to connect with local meteorological data, and the video warning information must comply with the H.264 High Profile encoding standard of GB/T 20090.2-2013.
Security implementation suggestions: It is recommended to use the AES-256 algorithm for content encryption, and the device authentication needs to implement a two-way SSL handshake. The operation and maintenance management needs to establish a three-level alarm mechanism (emergency/important/general).
Standard evolution analysis
This standard is a basic technical document of the biological disaster prevention and control series of standards. Subdivided standards such as interface technology and terminal equipment will be formulated in the future. The compatibility design with the GB/T 17975 series of audio and video standards reflects the technical foresight.
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