New posts in Availability

Is Ping a reliable way to check if a server is available?

Say a customer is an observant Jew and wants his site to be offline on Shabat - SEO problem?

How to manage communication during application downtime?

Is unauthorised deletion an integrity or availability issue?

New denial-of-service vulnerability in TLS protocol, based on shooting down other users' sessions?

In Healthcare IT, is a "break glass" mode to bypass access controls commonly required?

CAP theorem - Availability and Partition Tolerance