Gartner Research

Three Key Challenges to Resolve Before Deploying an SDN Overlay

Published: 22 May 2014

ID: G00263028

Analyst(s): Joe Skorupa , Mark Fabbi


SDN overlay solutions can appear to be a simple way for network and virtualization teams to quickly gain network agility without changing the existing physical network. However, overlay vendors often make assumptions that can degrade the performance and reliability of the resulting implementation.

Table Of Contents
  • Key Challenges



  • Organization Readiness Is Critical Before Addressing the Technical Issues Concerning SDN Overlays
  • Prevent Network Congestion Caused by Dynamic Workload Placement and Movement
  • Choose the Most Appropriate Methods to Connect to Nonvirtualized Resources
  • Integrate Management and Visibility Between Underlay and Overlay Networks

Gartner Recommended Reading

©2021 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner is a registered trademark of Gartner, Inc. and its affiliates. This publication may not be reproduced or distributed in any form without Gartner’s prior written permission. It consists of the opinions of Gartner’s research organization, which should not be construed as statements of fact. While the information contained in this publication has been obtained from sources believed to be reliable, Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although Gartner research may address legal and financial issues, Gartner does not provide legal or investment advice and its research should not be construed or used as such. Your access and use of this publication are governed by Gartner’s Usage Policy. Gartner prides itself on its reputation for independence and objectivity. Its research is produced independently by its research organization without input or influence from any third party. For further information, see Guiding Principles on Independence and Objectivity.

Already have a Gartner Account?

Purchase this Document

To purchase this document, you will need to register or sign in above

Become a client

Learn how to access this content as a Gartner client.