GB/T 21644-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21644-2025	RFQ	ASK	3 days	(General requirements for networks distance learning platform)	Valid
GB/T 21644-2008	629	Add to Cart	5 days	General description of networks distance learning	Valid

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Older Standard (superseded by this standard): GB/T 21644-2008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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