I manage several F5 LTM devices which have a rapidly growing number of virtual servers configured (about 500 right now). I've noticed that when the device lists virtual servers it does so alphabetically, with no option to reorder them. This got me wondering, does the device check the entire list every time a connection is made? If so, how does the size of the list impact performance?
Virtual server precedence is covered in this video, and I cover the flow tables for connections in this video. Hopefully this helps.