all the mpq files will be replaced by the CCAC.
Extracting DBC, MAP, VMAP, MMAP will totally revise, or even if they still exist after apparently because the customer will dirrectement fitted contribution to server.
After Wow.exe file will be directly with the launcher battle.net and authentication will be completely different from the way that we have currently.
After it is not there, we are at the beginning of development mop.