How to Prepare Your Network for Private and Hybrid Cloud Computing


Archived Published: 17 March 2015 ID: G00274670

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Summary

Data center network architecture must meet the demands imposed by private and hybrid cloud computing. This document provides a step-by-step methodology for enabling a traditional data center network to deliver dynamic provisioning by leveraging new technologies, such as SDN and VXLAN.

Table of Contents

  • Problem Statement
  • The Gartner Approach
  • The Guidance Framework
    • Prework
      • Understand the Enterprise Cloud Strategy
      • Create a Cross-Silo Provisioning Function
      • Derive the Technical Requirements From the Business Requirements
      • Security and Zoning
      • Understand the Technology Landscape
    • Virtualization-Enabled Phase
      • Simple Virtual Switch Deployment
      • Flatten the Network to Make Every VM-Related Port Available Everywhere
      • Scale Up Centralized Distribution Services
      • Use Classical DNS and GSLB-Based L3 Extension Across Geographies
      • Network Provisioning Automation
    • Virtualization-Optimized Phase
      • Actively Managed Virtual Switch
      • Any Port, Anywhere
      • Scale-Out Distribution Layer
      • Prepare for L2 Stretching
      • Cross-Silo Automation
    • Private Cloud Phase
      • Evaluate Network Virtualization and SDN
      • Align Logical and Physical Layers
      • Deploy Logical to Physical Gateways
      • Implement L2 Stretching
      • CMP Integration
    • Hybrid Cloud Phase
      • Bridge CSP Access Layer
      • Instrument and Integrate CSP Edge
      • Extend WAN to Carrier-Neutral Exchange
      • Evaluate SD-WAN Offerings
      • CMP and CSP Integration
    • Follow-Up
  • Risks and Pitfalls
    • Inertia
    • Not Linking Back to the Cloud Strategy Requirements
    • Buy-In From the Operations Team
    • Security and Multitenancy
    • Lock-In
  • 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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