When your tech guys (who might now call themselves DevOps) start banging on about zero down time deployment, this is what they mean:
– Instead of shutting down your system for hours, making changes and then bringing everything back up online, they make changes to the live environment and no one notices.
– It’s exactly like being at the cinema when the movie is longer than a single reel. There is a seamless transition from one reel to the next. The movie doesn’t stop. No one notices.
Zero down time deployment is such a huge win for tech guys and businesses alike. No more monumental releases over the weekend when everyone has to work 48 hours straight, no more late night offline changes. We can make incremental changes (deployments) during the day and all those little changes (should) add up to a better service for the customer.