This paper tries to explain the reasons of the AOP Alliance project, and also to specify some goals. I tried to speak in the name of many people on the list, regarding what I have understood. It is quite unprecise for the moment and only draws a global picture. Maybe some of the people will disagree or will be disapointed. This would be great if we can have some really good discussion that we help us to reach a good feeling on what we really want here.