Rural Online Distance Education based on Content Delivery Network in Beijing

被引：0
|
作者：
Zhao, Ji-chun [1 ,2 ]
Liu, Shi-hong [2 ]
Zhang, Jun-feng [1 ,3 ]
机构：
[1] Beijing Acad Agr & Forestry Sci, Beijing, Peoples R China
[2] Chinese Acad Agr Sci, Inst Agr Informat, Beijing 100193, Peoples R China
[3] Res Ctr Beijing Engn Technol Rural Remote Informa, Beijing, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ONLINE ENGINEERING | 2015年 / 11卷 / 07期
关键词：
Rural online distance education; Content delivery network; Video transmission;
D O I：
10.3991/ijoe.v11i7.4763
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The paper proposed the research on rural online distance education (RODE) based on the Beijing rural network condition, which aimed at helping farmers to get agricultural technology more effectively and sufficiently. This is the first platform that was applied to large-scale rural distance education, which combined with peer to peer (P2P) and content delivery network(CDN). What's more, it initiates network video transmission into the RODE platform, which could save 80% of the bandwidth. In addition, MD5 encryption algorithm, content pre-reading technology and data logic chip technology were used to ensure the security of video data. It has the following advantages: easily deployed, highly scalable and low-cost.
引用
收藏
页码：29 / 32
页数：4
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