How is Control plain in MPLS used for creating and maintaining label table, and hold protocols for creating and maintaining IP routing table? Is IP routing table in MPLS located in Customer edge routers, and/or Label edge routers, and in which routers is located Label table, is it in LER and/or Label switch routers? How can MPLS Control plain manage IP routing tables if they are located outside MPLS network, like in IP or ATM, or Frame Relay?