Azure — Difference between Azure ExpressRoute and Azure VPN Gateway

Ashish Patel
Awesome Azure
Published in
4 min readSep 6, 2021

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Comparison — Azure ExpressRoute vs Azure VPN Gateway.

Reference: Microsoft

TL;DR:

ExpressRoute provides direct connectivity to Azure cloud services and connects Microsoft’s global network. All transferred data is not encrypted, and do not go over the public Internet.

VPN Gateway provides secured connectivity to Azure cloud services over the public Internet. All transferred data is encrypted in a private tunnel as it crosses the internet.

Azure ExpressRoute

Azure ExpressRoute

ExpressRoute connections use a private, dedicated connection through a third-party connectivity provider to provide a direct connection between on-premises network and Azure.

This architecture is suitable for hybrid applications running large-scale, mission-critical workloads that require a high degree of scalability and resiliency.

Key Points

  • ExpressRoute uses layer 3 connectivity and security standards.
  • ExpressRoute connects the edge router of the on-premise network and Azure infrastructure with redundancy…

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Ashish Patel
Awesome Azure

Cloud Architect • 4x AWS Certified • 6x Azure Certified • 1x Kubernetes Certified • MCP • .NET • Terraform • DevOps • Blogger [https://bit.ly/iamashishpatel]