#2 is the Best option.
The only issue you have to worry about is load - One site can take down the other. I see no other downside.
Option 1 has much more breakage points. I can't imagine why you feel it may be less stable
#2 is the Best option.
The only issue you have to worry about is load - One site can take down the other. I see no other downside.
Option 1 has much more breakage points. I can't imagine why you feel it may be less stable