运营商CDN系统视频内容存储调度策略探讨  

Discussion on Video Content Storage and Scheduling Strategy of Carrier CDN System

作　　者：宋盈[1] 于翔 刘文楷 

机构地区：[1]中讯邮电咨询设计院有限公司,北京100048 [2]中国联合网络通信集团有限公司,北京100033

出　　处：《邮电设计技术》2017年第10期30-33,共4页Designing Techniques of Posts and Telecommunications

摘　　要：为了使网络视频业务有更好的体验,运营商在全国各省都建设了CDN系统以提供TV视频服务。由于用户数量和视频内容的增加产生了大规模的建设需求,CDN系统边缘节点众多且各边缘节点的存储能力也建设得很庞大,对于边缘节点内容存储以及调度管理亟需更加精细化的运营,通过从内容管理方面对运营商CDN系统视频内容的存储策略进行相应研究探讨,提出了如何在有限的存储容量下提高CDN边缘节点的调度效率和服务能力。In order to get better experience of network video service,carriers construct CDN system all over the country to provide TV video service. Due to the increase in the number of users and video content,it makes a large-scale construction need,numerous edge nodes of the CDN system and every edge node's storage capacity is also large. It is necessary to study the storage strategy of the video content of the carrier CDN system from the aspect of content management,and by studying the storage strategy of the multimedia content of the CDN system,puts forward how to improve scheduling efficiency and service capability of CDN edge node under the limited storage.

关 键 词：视频 CDN系统 边缘节点 内容存储 

分 类 号：TN919[电子电信—通信与信息系统]