Connects VNets privately with low latency across the Microsoft backbone, whether in different regions, subscriptions or tenants or not. Because it is non-transitive, spokes sharing a hub need direct peering, or UDRs through a hub firewall or NVA, to talk.
Also called virtual network peering.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains VNet peering in context, with comparison tables and the common traps.
Terms in this definition
- Virtual hub
Inside a Virtual WAN, a VNet managed by Microsoft that contains the hub router plus the VPN, ExpressRoute and User VPN gateways. Typically there is one per region, but several hubs can share a region.
- NVA
Network virtual appliance, a VM from a third party acting as a firewall, router or other network device.