How much of scalability is architecture, and how much is throwing servers at the problem? Feedback from engineers at Facebook, Meebo, Slide and Flickr.
Looking at outages presents just half the uptime picture. For a broader analysis, we look at Netcraft's public reliability ratings of hosting company reliability.
Is downtime really more frequent? Or is it just more visible? The answer is both. Here's a look at some of the high-profile outages of the past year.
Florida hosting firm Atlantic.net is suffering an extended data center outage this evening, which has taken the blog advertising services PayPerPost and SocialSpark offline.
The online real estate service RedFin reports that it was offline for five hours Saturday due to a fire in its Seattle data center.