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Azure ExpressRoute ​

ExpressRoute lets you extend your on-premises networks into the Microsoft cloud over a private connection with the help of a connectivity provider.

With ExpressRoute, you can establish connections to various Microsoft cloud services, such as Microsoft Azure and Microsoft 365.

Connectivity can be from:

  • An any-to-any (IP VPN) network
  • A point-to-point Ethernet network
  • A virtual cross-connection through a connectivity provider at a colocation facility.

Since ExpressRoute connections do not go over the public Internet, this approach allows ExpressRoute connections to offer more reliability, faster speeds, consistent latencies, and higher security.

ExpressRoute capabilities ​

Some key benefits of ExpressRoute are:

  • Layer 3 connectivity between your on-premises network and the Microsoft Cloud through a connectivity provider

  • Connectivity can be from an any-to-any (IPVPN) network, a point-to-point Ethernet connection, or through a virtual cross-connection via an Ethernet exchange

  • Connectivity to Microsoft cloud services across all regions in the geopolitical region

  • Global connectivity to Microsoft services across all regions with the ExpressRoute premium add-on

  • Built-in redundancy in every peering location for higher reliability

Azure ExpressRoute is used to create private connections between Azure datacenters and infrastructure on your premises or in a colocation environment.

ExpressRoute connections do not go over the public Internet, and they offer more reliability, faster speeds, and lower latencies than typical Internet connections.

Use cases for ExpressRoute ​

Faster and Reliable connection to Azure services

  • Organizations leveraging Azure services look for reliable connections to Azure services and data centers.
    • Public internet is dependent upon many factors and may not be suitable for a business.
  • Azure ExpressRoute is used to create private connections between Azure data centers and infrastructure on your premises or in a colocation environment.
    • Using ExpressRoute connections to transfer data between on-premises systems and Azure can also give significant cost benefits.

Storage, backup, and Recovery

  • Backup and Recovery are important for an organization for business continuity and recovering from outages.
    • ExpressRoute gives you a fast and reliable connection to Azure with bandwidths up to 100 Gbps, which makes it excellent for scenarios such as periodic data migration, replication for business continuity, disaster recovery and other high-availability strategies.

Extends Data center capabilities

  • ExpressRoute can be used to connect and add compute and storage capacity to your existing data centers.
    • With high throughput and fast latencies, Azure will feel like a natural extension to or between your data centers, so you enjoy the scale and economics of the public cloud without having to compromise on network performance.

Predictable, reliable, and high-throughput connections

  • With predictable, reliable, and high-throughput connections offered by ExpressRoute, enterprises can build applications that span on-premises infrastructure and Azure without compromising privacy or performance.
    • For example, run a corporate intranet application in Azure that authenticates your customers with an on-premises Active Directory service, and serve all your corporate customers without traffic ever routing through the public Internet.