From what I've read there were connectivity issues with Steam this morning. I was unable to connect to the Steam support site. There may also have been connectivity issues at various hubs connecting to our servers.
Right now everything looks fine with the servers. Note: The creature migration that ran would not cause disconnections. It could cause slower frame rate and in rare cases, command processing backing up (which players tend to see as 'lag') simply because more is being processed in one frame.
I've checked several busy areas in game though and don't see any issues from my machines.
I'll close this as there are no changes in connectivity on our end. If you continue to have issues, please put in a help ticket and we'll see if we can get more info.
Thanks!