Either make dodging AoEs possible, or make them not instant-kills
Stuff like this: http://www.youtube.com/watch?v=G5g4TM1fkCg
EDIT: That video isn't me, nor is it made by me. It's just an example of this awful mechanic.
Is incredibly tiresome. If you're not going to do the job right and fix the awful latency on enemy AoE attacks, reduce the penalty for getting hit by them. Also note that I'm playing from Canada. This isn't just an issue for people playing in countries far away from the data centre, this is a problem that exists no matter where you are.