Gartner Research

How to Prepare Your Network for Private and Hybrid Cloud Computing

Published: 17 March 2015

ID: G00274670

Analyst(s): Simon Richard

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

©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