Tag Archives: National Grid

National Grid gets 66.666% confused with 99.999%

You’ve probably heard the expression “five nine reliability,” which is shorthand for saying that a product, Web site, service, application, or whatever is fully functional 99.999% of the time, the equivalent of less than six minutes of downtime per year. Most Web sites don’t need to achieve that level of reliability. However, when you’re in… Read More »