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Microsoft Azure ExpressRoute

Microsoft Azure ExpressRoute lets you extend your on-premises networks into the Microsoft cloud over a private connection facilitated by Teraco. With ExpressRoute, you can establish connections to Microsoft cloud services, such as Microsoft Azure, Office 365, and Dynamics 365.

Connectivity can be from an any-to-any (IP VPN) network, a point-to-point Ethernet network, or a virtual cross-connection through a connectivity provider at a Teraco facility. ExpressRoute connections do not go over the public Internet. This lets ExpressRoute connections offer more reliability, faster speeds, lower latencies, and higher security than typical connections over the Internet.

Microsoft Azure ExpressRoute

Key Benefits:

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 ExpressRoute premium add-on.

Dynamic routing between your network and Microsoft over industry standard protocols (BGP).

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

Connection uptime SLA.

QoS support for Skype for Business.


Layer 3 connectivity

Microsoft uses industry standard dynamic routing protocol (BGP) to exchange routes between your on-premises network, your instances in Azure, and Microsoft public addresses. We establish multiple BGP sessions with your network for different traffic profiles.


Each ExpressRoute circuit consists of two connections to two Microsoft Enterprise edge routers (MSEEs) from the connectivity provider/your network edge. Microsoft requires dual BGP connection from the connectivity provider/your side – one to each MSEE. You may choose not to deploy redundant devices/Ethernet circuits at your end. However, connectivity providers use redundant devices to ensure that your connections are handed off to Microsoft in a redundant manner. A redundant Layer 3 connectivity configuration is a requirement for our SLA to be valid.

Connectivity to Microsoft cloud services

ExpressRoute connections enable access to the following services:

  • Microsoft Azure services
  • Microsoft Office 365 services
  • Microsoft Dynamics 365

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