Gartner Research

Improving Data Center Agility With Network Virtualization

Published: 17 April 2014

ID: G00260952

Analyst(s): Simon Richard

Summary

Virtualization will not fully deliver its promise of agility as long as networks are statically provisioned and managed. To achieve the agility and scale demanded by the modern business, IT organizations must evaluate one of the first use cases for SDN: network virtualization.

Table Of Contents

Summary of Findings

Comparison

  • Network Virtualization Definition
  • Network Virtualization Benefits
  • Network Virtualization Approaches

Analysis

  • Application Owner Data Center Requirements
  • Network Operations and IT Infrastructure Data Center Network Requirements
  • The Network Chassis Analogy
  • Network Virtualization Overlay
  • The Control, Data and Management Planes in SDN
  • Network Virtualization Component Framework
  • Abstraction Layer
    • Potential Buyers of Networking Virtualization Solutions Should Consider Asking Their Chosen Vendors the Following Questions About the Abstraction Plane
  • Management Plane
    • Potential Buyers of Networking Virtualization Solutions Should Consider Asking Their Chosen Vendors the Following Questions About the Management Plane
  • Control Plane
    • Potential Buyers of Networking Virtualization Solutions Should Consider Asking Their Chosen Vendors the Following Questions About the Control Plane
  • Data Plane
    • Potential Buyers of Networking Virtualization Solutions Should Consider Asking Their Chosen Vendors the Following Questions About the Data Plane
  • Overlay-Underlay Interface
    • Potential Buyers of Networking Virtualization Solutions Should Consider Asking Their Chosen Vendors the Following Questions About the Underlay Overlay Interface
  • Service Orchestration
    • Potential Buyers of Networking Virtualization Solutions Should Consider Asking Their Chosen Vendors the Following Questions About the Service Orchestration
  • Evaluation of the Network Virtualization Approaches
  • Hypervisor-Centric
  • Software-Centric
  • MPLS-Based
  • Management Plane-Based
  • Programmable Fabric

Gartner Recommended Reading

©2019 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?

Become a client