Editing Multiprotocol Label Switching (section)

===Frame Relay===
[[Frame Relay]] aimed to make more efficient use of existing physical resources, which allow for the underprovisioning of data services by [[telecommunications companies]] (telcos) to their customers, as clients were unlikely to be utilizing a data service 100 percent of the time. Consequently, [[oversubscription]] of capacity by the telcos, while financially advantageous to the provider, can directly affect overall performance.

Telcos often sold Frame Relay to businesses looking for a cheaper alternative to [[dedicated line]]s; its use in different geographic areas depended greatly on governmental and telecommunication companies' policies.

Many customers migrated from Frame Relay to MPLS over IP or Ethernet, which in many cases reduced costs and improved manageability and performance of their wide area networks.<ref>{{Cite web|url=http://www.icact.org/upload/2010/0264/20100264_finalpaper.pdf|title=A Study on Any Transport over MPLS (AToM)|last=Tran Cong Hung, Le Quoc Cuong, Tran Thi Thuy Mai|date=10 Feb 2019|website=International Conference on Advanced Communications Technology|access-date=5 February 2020}}</ref>