MPLS has made many changes in the existing IP-based network. However, it had the disadvantage that it was not easy to introduce because it was expensive.
SD-WAN consults by service provider, but supports WAN dynamic routing protocols over links such as MPLS, LTE, and wireless networks.
In addition, depending on the priority or sensitivity, SD-WAN and MPLS can be used in combination to reduce dependence on expensive MPLS leased lines and improve overall connectivity between branch offices, headquarters and the cloud.
