Multi-protocol Label Switching
Competitor of SDN currently 2023
IP/MPLS entry router (R4) can use different MPLS routes unlike usual Routing
Kind of link virtualization
- Originated from Asynchronous Transfer Mode technology
- 사이트-투-사이트 연결 종류에 가장 적합
directs data from one node to the next based on short path labels rather than long network addresses