CDN技术及商业模式分析  

Analysis of CDN Technology and Business Model

作　　者：马少武[1] Ma Shaowu(China Unicom Network Technology Research Institute,Beijing 100048,China)

机构地区：[1]中国联通网络技术研究院,北京100048

出　　处：《邮电设计技术》2017年第1期63-66,共4页Designing Techniques of Posts and Telecommunications

摘　　要：随着用户随时随地上网及高清视频体验要求的不断提高,对CDN业务承载能力提出了更高的要求。阐述了CDN的技术原理、网络架构模型及关键技术,指出CDN可以有效实现用户就近取得所需内容,提高用户访问网站的响应速度,缓解网络骨干带宽压力及内容服务器压力等。分析了CDN的商业服务模式、竞争态势及业务运营中主要存在的问题,最后给出了CDN业务的发展趋势。With the continuous improvement of user accessing to the Internet at anytime and anywhere and the high definition video,a higher request on CDN service carrying capacity is put forward. The main technology principle,network architecture model and key technologies of CDN are described. It is pointed out that CDN can effectively realize the user to achieve the desired content nearby,improve user access to the site＇s response speed,ease network backbone bandwidth pressure and content server pressure,etc. The CDN business model,competition situation and the main existing problems are analyzed. Finally,the development trend of CDN service is given.

关 键 词：CDN GSLB 内容缓存 虚拟化技术 商业模式 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]