Our Tranquility server will be rebooted on October 19, 2012 at 15:46 UTC and is scheduled to be online again at 16:16 UTC.
This reboot will be used to fix an issue with server node deaths on our Tranquility server. We will keep you updated in this thread here.
Update:Tranquility was successfully rebooted and is now online and accepting connections again since 16:15 UTC.
We apologize for any inconvenience caused by this unexpected downtime.