Originally Posted by
quras
You don't switch sides at all.
Sadly, it's not as good as you describe it.
It's barely different than the choice you made when Reps and Emps invaded iokath and you had to choose a side then. Overall, it meant nothing and no real sides changed. All it did was decide where your LS or DS points went when doing content. You still couldn't communicate really. No visitation to the opposite side even if you chose them. It's was a gimmick.
This time it's even less. There are no points to contribute to anything and it's just another "imagined choice" so far. While 6.0 (whenever that actually gets here given it took them 14 months to make 5 bosses in one OPS/raid it wont be soon), I don't think bioware has the resources to pull off what players have been asking for when it comes to changing sides.
It will likely be nothing more than a point system or a slider you get to contribute to depending on what side you choose.