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CDN(Content Delivery Network),即内容分发网络,是一个由地理上分散分布的节点服务器组成的网络。通过在现有的Internet中增加一层新的网络架构,部署边缘服务器,将网站的内容发布到最接近用户的Cache服务器中,使用户可以就近取得所需的内容,实现用户就近访问,有效提升网站的响应速度。据英国Informa Telecoms&Media预计,随着OTT、手机视频和云服务的发展,未来几年CDN市场将迎来快速增长,到2017年,全球CDN商业服务预期产值为46.3亿美元。另外,移动互联网的普及,智能设备的更加
CDN (Content Delivery Network), Content Delivery Network, is a network of geographically dispersed node servers. By adding a new layer of network architecture to the existing Internet, deploying an edge server and publishing the content of the website to the nearest user’s Cache server, the user can obtain the content needed nearby to effectively realize the user’s immediate access Web site responsiveness. According to the forecast by Informa Telecoms & Media in the UK, with the development of OTT, mobile video and cloud services, the CDN market will see rapid growth in the coming years. By 2017, the global CDN business service output is expected to be 4.63 billion U.S. dollars. In addition, the popularity of mobile Internet, more intelligent devices