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This feature only affects how often our system communicates with your origin server. Do not confuse this feature with the Stale While Revalidate feature that allows the delivery of stale content.
This capability requires Rules Engine - Advanced Rules which must be purchased separately. Contact your CDN account manager to activate it.
Purpose: Determines whether our service will attempt revalidationCache revalidation is the process through which an edge server checks the origin server for a newer version of a cached asset. Revalidation is triggered when the TTL for the requested content has expired. with your origin server when communication has been temporarily disabled due to repeated origin server availability issues.
Background Information: The system temporarily disables an origin server configuration after repeated TCP connection failures. This is known as stale mode. Once stale mode expires, the system will allow a single revalidation request to the origin server. The origin server's response determines how the system will handle future requests.
This feature determines whether the system will attempt to connect to your origin server while it is in stale mode.
The system will attempt to connect to your origin server while it is in stale mode according to the time interval defined within the Revalidate While Stale Timer feature.
The system will not attempt to connect to your origin server while it is in stale mode.
Default Behavior: Disabled.