Gartner Research

How to Architect Your WAN for Hybrid Cloud and Multicloud

Published: 21 January 2020

ID: G00450908

Analyst(s): Simon Richard

Summary

The data center is no longer the center of gravity. Today, applications are distributed across data center, cloud and edge. This document helps I&O technical professionals transform their enterprise WANs using technologies like interconnects, SD-WAN and cloud-based network services.

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework
  • Determine Your Transport Options
    • Determine If You Need Private or Public Connectivity
    • Distribute Internet Access Points to Reduce Latency and Congestion
    • Not All Internet Links Are Created Equal
    • How to Test Internet Performance
  • Architect Your Cloud Edge
    • Evolution of Cloud Interconnects
    • Other Features of Colocation Hubs
    • What to Look for When Connecting to an IaaS Provider
  • Architect Your WAN Edge
    • SD-WAN Technology Description
    • SD-WAN Cloud Providers
    • Leveraging 5G for Access
    • What to Look for in an SD-WAN Solution
  • Evolve the Service Layer
    • NFV, VCPE and Cloud Services
    • Service Examples
  • Follow-Up

Risks and Pitfalls

Gartner Recommended Reading

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