From the blog "Tools and Technology"
We had one of the longest periods of downtime in recent memory this week (roughly four hours!), and I want to explain what happened.
This week we were doing much needed maintenance on the network that powers Second Life. The core routers that connect our data center to the Internet were nearing their end-of-life, and needed to be upgraded to make our cloud migration more robust.
Replacing the core routers on a production system that’s in very active use is really tri