First announced as a public preview in September 2017, Global VNet Peering is now generally available in all Azure public regions.

Similar to virtual network peering within the same Azure region, Global VNet Peering now lets you seamlessly connect virtual networks in different Azure regions. The connectivity between the peered virtual networks is routed through the Microsoft backbone infrastructure through private IP addresses. VNet peering provides virtual network connectivity without gateways, additional hops, or transit over the public internet. Global VNet Peering can simplify network designs which have cross-regional scenarios for data replication, disaster recovery, and database failover.

While similar, peering within the same region and peering across regions have unique constraints.  These are clearly identified in the Microsoft documentation, so check that out before you get started. Read More…