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cdn是什么，cdn牌照又是什么

2025-03-15 20:56:01

推荐回答（1个）

回答1：

cdn是英文的简称，Content Delivery Network，即内容分发网络的含义。

cdn牌照指的是颁发给从事内容分发网络业务企业的经营许可，是企业开展增值电信业务B12的从业牌照，业务编号B12.是内容分发网络业务许可证的简称，俗称cdn许可证，cdn资质。

cdn牌照根据企业开展业务地理范围的不同分为全国cdn经营许可证牌照和省内cdn经营许可证牌照两种，一种可以跨地区开展内容分发网络业务，审批部门是工信部，一种仅可以在省内开展内容分发网络业务，审批部门是通管局。

cdn牌照的有效期是5年。5年到期需要做许可证续期，提前90天申请哦

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