Comedians, commentators, and politicians are having a field day with the problems at healthcare.gov. As software developers and computer operations experts, part of us is just not laughing. We have spent years in high-volume web software and the jokes and blogs about outages and errors do not make us laugh as hard as everyone else.
With the Twitter IPO in the news, it is timely to see how a great site like Twitter manages to stay up so well. For many years Twitter had quite a poor reputation for reliability. After a doozy of an outage in July last year, Christina Warren wrote in Mashable (June 21, 2012), “The uptime
Enterprises have long been embracing the concept of Web 2.0 by making their legacy systems more collaborative, encouraging information sharing, and focusing on a user centered design. How about using Web 2.0 capabilities in systems for managing incidents and emergencies? There are four major stages of emergency management: preparedness, response, recovery, and mitigation.