Improving Data Center Agility With Network Virtualization


Archived Published: 17 April 2014 ID: G00260952

Analyst(s):

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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
  • Recommendations
  • Gartner Recommended Reading
© 2014 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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