added doc for multiple data paths
added doc for multiple data paths

markraz/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp