Conceptobserved availability
Observed Availability
The proportion of service reachability actually measured from external networks by third parties, calculated directly from probe results and distinct from the SLA committed to by providers.
Timeline (last 90 days)
Oct 18
Observed availability refers to the proportion of service reachability actually measured externally from third-party networks, calculated directly from probe results; a service level agreement (SLA), by contrast, is a contractual commitment between provider and customer, usually including compensation clauses and a specific calculation method.
Unverified50%