GB/T 21644: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21644-2025 | English | RFQ |
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(General requirements for networks distance learning platform)
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GB/T 21644-2025
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| GB/T 21644-2008 | English | 629 |
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General description of networks distance learning
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GB/T 21644-2008
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Basic data | Standard ID | GB/T 21644-2025 (GB/T21644-2025) | | Description (Translated English) | (General requirements for networks distance learning platform) | | Sector / Industry | National Standard (Recommended) | | Date of Implementation | 2026-05-01 | | Older Standard (superseded by this standard) | GB/T 21644-2008 | | Issuing agency(ies) | State Administration for Market Regulation; Standardization Administration of China | GB/T 21644-2008: General description of networks distance learning---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
General description of networks distance learning
ICS 33.040.40
L78
National Standards of People's Republic of China
Network Distance Education Platform general requirements
Posted 2008-04-10
2008-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Abbreviations 3
5 Overview 5
6 overall structure 5
6.1 Overview of the overall structure of 5
6.2 Composition online education platform service subsystem 6
6.3 Features 7
6.4 bearer network 8
6.5 User Access 8
6.6 network interconnection 8
7 distance education network platform technical requirements of each business subsystem 9
7.1 videoconferencing subsystem 9
7.2 Web-based service subsystem 12
7.3 streaming media subsystem 13
Network Management 18 8
8.1 Network management 18
18 8.2 Network Management Objects
8.3 Network Management Interface Protocol 18
8.4 Network Management Interface Information Model 18
8.5 Network management function 18
9 authentication and accounting 20
10 System Security 20
10.1 Overview 20
10.2 TLS 20
10.3 SSL 20
10.4 IPsec 21
11 Distance Education System Function 21
21 11.1 Application Requirements
11.2 teaching function 21
11.3 22 Education Management
Foreword
This standard is in YD/T 1196-2002 Foundation "IP network-based distance learning technical requirements" of the reference to the ITU-T, IETF
It is written in the relevant international standards.
The standard proposed by the People's Republic of China Ministry of Information Industry.
The standard by the China Communications Standards Association.
This standard was drafted. Ministry of Information Industry Institute of Telecommunications Transmission, ZTE Corporation, Huawei Technologies Co., Ltd.
The main drafters of this standard. Jiang Lintao, Nie Xiuying, Fanxu Tong, Shen Chan, Wu Yongming, Liu Xiangyu, Zoumeng Rui, Zhang Qing, in the Wen Hui.
Network Distance Education Platform general requirements
1 Scope
This standard specifies the distance education platform based on the general requirements of IP networks, including networks, devices, application-level distance education platform
Technical requirements.
This standard applies to distance education platform based on IP networks.
2 Normative references
ITU-TG. 711. 1988 voice frequency pulse code modulation (PCM)
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