Latest Availability Posts

TheCAP theoremis one of the most fundamental principles in distributed system design. It defines the trade-offs between three key properties —Consistency,Availability, andPartition tolerance— and explains why it’s impossible to achieve all three simultaneously in a distributed data system. Formally

Availability patternsdescribe architectural techniques that keep systems operational despite failures, overload, or partial outages. High availability matters most in systems that support continuous business processes, such as payment authorization or customer-facing APIs, where downtime directly tr

What availability means, how it's measured, architecturalavailability patterns, practical trade-offs, and how to validate an availability target. Availabilityis the probability that a system performs its required function at a given point in time. Practically, it answers the question:“Is the service