Technology Overview for SD-WAN

Archived Published: 02 July 2015 ID: G00279026

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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
  • Analysis
    • 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
  • Appendix
    • SD-WAN Cost Savings
  • Gartner Recommended Reading
© 2015 Gartner, Inc. and/or its Affiliates. All Rights Reserved. Reproduction and distribution of this publication in any form without prior written permission is forbidden. The information contained herein has been obtained from sources believed to be reliable. Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartners research may discuss legal issues related to the information technology business, Gartner does not provide legal advice or services and its research should not be construed or used as such. Gartner shall have no liability for errors, omissions or inadequacies in the information contained herein or for interpretations thereof. The opinions expressed herein are subject to change without notice.

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