Translation guide
CDN (Content Delivery Network) is a technical term for a network of servers that delivers web content to users based on their geographic location. In Japanese, the English abbreviation CDN is widely used as-is, but the full term and related concepts can be expressed in several ways.
Referring to the system or service that distributes web content via geographically distributed servers.
The English abbreviation is standard in Japanese IT contexts. Pronounced as individual letters.
このサイトはCDNを使っています。
This site uses a CDN.
The full Japanese translation. Used in formal or explanatory contexts.
コンテンツ配信ネットワークの導入を検討しています。
We are considering implementing a content delivery network.
A less common transliteration of the full English term. May appear in some documentation.
コンテンツデリバリネットワークの仕組みを説明します。
I will explain how a content delivery network works.
Referring to a company or service that offers CDN functionality.
Appending サービス (service) clarifies that you mean a CDN provider or offering.
どのCDNサービスを使っていますか？
Which CDN service are you using?
Using プロバイダー (provider) is also common in business contexts.
CDNプロバイダーを比較しています。
We are comparing CDN providers.
Referring to the distributed servers that make up a CDN.
The term エッジサーバー (edge server) is standard when discussing CDN infrastructure.
CDNエッジサーバーにキャッシュされています。
It is cached on the CDN edge server.
ノード (node) is also used, especially in network topology discussions.
世界中にCDNノードが配置されています。
CDN nodes are deployed around the world.
In Japanese technical conversations, the English abbreviation 'CDN' is used almost exclusively. The full Japanese phrase コンテンツ配信ネットワーク is understood but less common in everyday tech talk.
While コンテンツ配信ネットワーク is correct, using it in casual conversation may sound overly formal or explanatory. Stick with 'CDN' unless you need to define the term.