Terms

Definition Remove file(s) from the Cache at earliest convenience. For some CDN’s this might also mean that it will revalidate the content. See also Cache Purge Stale Cache Discussion Please see our github to discuss

Definition A brief description or definition of the term. Discussion Current debates or points of contention regarding the term.

Definition The (space/place/server(s)) used for retrieval of original content. Can contain an IP Address, hostname, FTP or link to blob storage. Can contain a Path too. Example Origin values Examples what this can be: IP Address: https://192.168.1.6/ IP Address with Path: https://192.168.1.6/my-files/ hostname: secret.example.com FTP: ftp://secret.example.com blog storage: s3.example.com Discussion Please see our github to discuss

Definition CDN Functionality to protect overloading Origin with excessive requests for cold objects. Additional cache layer, can be a single server, PoP or region Discussion Please see our github to discuss

Definition Immediately remove file(s) from the Cache. See also Invalidate Cache Stale Cache Discussion Please see our github to discuss

Definition File(s) lingering in Cache after they’re supposedly expired. Can be due to origin failure, or while refreshing the content asyncronously. See also Invalidate Cache Cache Purge Discussion Please see our github to discuss