Well, the world server is up and down like a see saw. I honestly wonder how The9 lasted so long with such reliability issues. Then again, who knows if it's entirely The9's fault. Chances are, they're busy downloading things from one server computer to another (netease's) and this process is overloading the current world server.
I guess with an mmo, it's difficult to make a process like this work smoothly. It's easy to imagine how to make a seamless transition from one set of servers, to another, but I've learned a long time ago things are hardly ever done with the care that they should be done with.