结合使用 CDN 和云存储会改善视频内容的延迟吗?
来自谷歌云的文档
云存储本质上是一个内容交付网络。这 不需要任何特殊配置,因为默认情况下任何 公开可读的对象缓存在全局 Cloud Storage 中 网络。
我当前的 Web 应用程序已经在使用 CDN。它包含相当数量的视频内容。视频内容可公开访问。结合使用 Google Cloud Storage 和 Cloud CDN 是否会进一步改善延迟?
From Google Cloud's document
Cloud Storage essentially works as a content delivery network. This
does not require any special configuration because by default any
publicly readable object is cached in the global Cloud Storage
network.
My current web application is already using CDN. It contains a fair amount of video content. The video content is publicly accessible. Will using a combination of Google Cloud Storage and Cloud CDN further improves latency?
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答案是视情况而定。缓存是一个复杂的项目。您的文件有多受欢迎?您的文件有多大?您的客户是在某一地区还是全球范围内?
所有这些因素以及更多因素都会影响您的文件是否被缓存或由于缓存重新填充而延迟。
一般来说,通过 Google 内部骨干网传输的数据传输速度会更快,因为所经过的网络跃点更少,并且公共故障点也更少。通过使用 CDN,数据更有可能保留在 Google 的主干网上,因为入口点是最近的 Google POP(存在点)。
The answer is it depends. Caching is a complicated item. How popular is your file? How large is your file? Are your clients in one region or global?
All of those factors and more will affect whether your files are cached or delayed due to cache refills.
In general, data that is delivered via Google's internal backbone will transfer quicker as fewer network hops are traversed and have fewer public points of failure. By using a CDN, data is more likely to stay on Google's backbone because the entry point is the nearest Google POP (Point of Presence).