Connect geographically dispersed networks with ExpressRoute global reach

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Use cross-region connectivity to link multiple ExpressRoute locations

There are various ways of designing and implementing ExpressRoute based on specific organizational requirements.

ExpressRoute connections enable access to the following services:

• Microsoft Azure services
• Microsoft 365 services

Connectivity to all regions within a geopolitical region

You can connect to Microsoft in one of the peering locations and access regions within the geopolitical region.

For example, if you connect to Microsoft in Amsterdam through ExpressRoute, you have access to all Microsoft cloud services hosted in Northern and Western Europe.

Global connectivity with ExpressRoute Premium

You can enable ExpressRoute Premium to extend connectivity across geopolitical boundaries. For example, if you connect to Microsoft in Amsterdam through ExpressRoute, you have access to all Microsoft cloud services hosted in all regions across the world. You can also access services deployed in South America or Australia the same way you access North and West Europe regions. National clouds are excluded.

Local connectivity with ExpressRoute Local

You can transfer data cost-effectively by enabling the Local SKU. With Local SKU, you can bring your data to an ExpressRoute location near the Azure region you want. With Local, Data transfer is included in the ExpressRoute port charge.

Across on-premises connectivity with ExpressRoute Global Reach

You can enable ExpressRoute Global Reach to exchange data across your on-premises sites by connecting your ExpressRoute circuits. With ExpressRoute Global Reach, you can connect your private data centers together through these two ExpressRoute circuits. Your cross-data-center traffic traverses through Microsoft's network.

Rich connectivity partner ecosystem

ExpressRoute has a constantly growing ecosystem of connectivity providers and systems integrator partners. You can refer to ExpressRoute partners and peering locations.

Connectivity to national clouds

Microsoft operates isolated cloud environments for special geopolitical regions and customer segments.

ExpressRoute Direct

ExpressRoute Direct provides customers the opportunity to connect directly into Microsoft’s global network at peering locations strategically distributed across the world. ExpressRoute Direct provides dual 100-Gbps connectivity, which supports Active/Active connectivity at scale.

ExpressRoute is a private and resilient way to connect your on-premises networks to the Microsoft Cloud. You can access many Microsoft cloud services such as Azure and Microsoft 365 from your private data center or your corporate network. For example, you might have a branch office in San Francisco and another branch office in London. Both branch offices have high-speed connectivity to Azure resources in US West and UK South. However, the branch offices can't connect and send data directly with one another. In other words, 10.0.1.0/24 can send data to 10.0.3.0/24 and 10.0.4.0/24 network, but NOT to 10.0.2.0/24 network.

Choose when to use ExpressRoute global reach

ExpressRoute Global Reach is designed to complement your service provider’s WAN implementation and connect your branch offices across the world.

Check your knowledge

1.

What is ExpressRoute Global Reach primarily designed for?

Connect a data center to the public internet.

Connect a local service provider to a data center.

Connect branch offices across the world.

2.

How can a network engineer for a company with offices in London and Tokyo configure communications between the two offices?

Use a local service provider that has a presence in both London and Tokyo, and enable GlobalReach to connect to each local service provider location.

Use a local service provider in London and a different local service provider in Tokyo. GlobalReach connects the branches using ExpressRoute and the Microsoft global network.

Use GlobalReach to connect each location to a private VPN, and use local service providers for point-to-site access.

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