| What's the Difference? These terms are often confused, but they measure different...
| What's the Difference?
These terms are often confused, but they measure different things:
Reliability : System performs correctly without failure
Availability : System is operational when needed
Analogy: Think of a car:
When a critical piece of equipment is waiting for maintenance, availability takes on a very different meaning. Having the right…
Introduction Software reliability refers to the probability that software will perform its...
"High availability" gets used loosely enough in vendor material that it's genuinely lost some of its...
HA keeps you alive when a server dies; DR brings you back when a whole region burns down. This is the senior mental model, RTO vs…
Why checking whether a URL responds is not the same as checking where visitors actually land after redirects.
Most uptime tools answer the same question. They tell you "is service X up?" from one vantage point...
