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随着网络技术的发展和防范意识的增强,制作播出分离的网络结构模式渐渐成为广播电台的主流。本文在解构广播电台制播网和对比常见的网间隔离方式的基础上,根据制播网的特点和相关的政策法规设计了适合于广播电台制播业务需求的网络隔离系统。系统主要采用安全隔离网闸和协议隔离设备级联的方式,并利用防火墙作为异构冷备。文章随后对系统的主要模块进行了分析,并总结了系统设计的优势。
With the development of network technology and the enhancement of precautionary awareness, the network structure model of broadcasting and broadcasting has gradually become the mainstream of radio stations. On the basis of deconstructing the broadcasting network of broadcasting station and comparing with the common way of inter-network isolation, this paper designs a network isolation system suitable for the broadcasting and broadcasting business of broadcasting station according to the characteristics of broadcasting network and relevant policies and regulations. The system mainly adopts the method of cascading security gatekeeper and protocol isolation device and using the firewall as a heterogeneous cold standby. The article then analyzes the main modules of the system and summarizes the advantages of the system design.