互联网内容分发网技术和标准化现状

经过十几年的发展,内容分发网（CDN）已经逐渐演变为互联网重要的基础设施,为确保全球互联网服务质量发挥了重要作用。相比之下,我国CDN技术水平和服务能力还有待提高,产业发展仍然面临一些不利因素。为破解我国CDN产业的这些问题,开展CDN的标准化,规范市场,减少重复投资,为产品管理奠定科学基础,为产品质量提供检验规范,是十分必要的。

Technologies and standardization state of Internet CDN

In the last decade,Content delivery network（CDN） becomes a fundamental infrastructure of global Internet,and plays more and more important role on online user experience optimization.The CDN industry in China still faces obstacle such as low level of costumer recognition,low level of service quality,etc.Standardization could dramatically reduce CDN industry development barrier as well as improve the CDN technology and service quality.In this article we review the international standardization experiences,derive the most critical standard requirements,and propose some advices toward to the CDN standard development practice.