Gartner Research

SD-WAN Is Killing MPLS, So Prepare to Replace It Now

Published: 26 September 2018

ID: G00368838

Analyst(s): Danellie Young , Neil Rickard , Mike Toussaint , Andrew Lerner

Summary

MPLS is still the leading WAN transport; however, software-defined WAN is moving users away from MPLS to hybrid and internet-only WANs. Infrastructure and operations leaders responsible for WAN design should leverage SD-WAN to improve availability and save costs, without sacrificing performance.

Table Of Contents
  • Impacts

Analysis

Impacts and Recommendations

  • SaaS and Other Cloud Services Are Rapidly Decentralizing Data Traffic Flows, Making MPLS Inefficient
  • MPLS Alternatives Vary Widely in Cost, Performance and Availability
  • I&O Leaders Find It Hard to Achieve an Optimal Mix of Cost, Performance and Availability Using MPLS Alone

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  • Evidence

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