SDN已经成为通信界最热门的词汇之一,其基于控制和转发相分离的思路,实现了控制和业务的可编程,获得了传统设备商、IT服务提供商、互联网内容提供商、运营商等的青睐。本文首先就SDN的概念做了简要介绍,然后分析了其架构和应用价值,并对SDN在广播行业的应用做了详细的分析和介绍。 SDN has become one of the hottest terms in the communications industry. Based on the idea of ​​separation of control and forwarding, SDN achieves control and service programmable, and achieves the benefits of traditional equipment vendors, IT service providers, Internet content providers, operators, etc. Of all ages. This article first introduces the concept of SDN briefly, and then analyzes its architecture and application value, and makes a detailed analysis and introduction to SDN application in broadcasting industry.