Gartner Research

Technology Overview for SD-WAN

Published: 02 July 2015

ID: G00279026

Analyst(s): Neil Rickard , Andrew Lerner


SD-WAN is an emerging technology that offers several benefits compared with traditional, router-based WANs. Network decision makers can achieve cost savings, increased agility and simplification with an SD-WAN. This research defines SD-WAN and highlights its benefits, risks and alternatives.

Table Of Contents

What You Need to Know


  • Technology Description
  • Technology Definition
  • Standards
  • SD-WAN Operating Requirements
  • SD-WAN Uses
  • Benefits and Risks
    • Reduced Costs
    • Faster Provisioning
    • Network Availability
    • Risks
  • Technology Alternatives
    • Traditional WAN Architectures
    • Network Automation and/or Orchestration Tools
    • Network Functions Virtualization Services (Commonly Referred to as vCPE)
    • Communications Hubs
  • SD WAN Selection Guidelines
    • Architecture and Deployment
    • Application/Services Integration
    • Price
    • Visibility and Security
  • Price/Performance
  • Technology Providers


  • SD-WAN Cost Savings

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