Skip to content

Commit 472c51e

Browse files
authored
broken link fix
1 parent 88bb8f1 commit 472c51e

File tree

1 file changed

+1
-1
lines changed

1 file changed

+1
-1
lines changed

articles/route-server/anycast.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@ IP anycast essentially consists of advertising exactly the same IP address from
2121

2222
In the design covered in this scenario, the same IP address will be advertised from VNets in different Azure regions, where NVAs will advertise the application's IP address through Azure Route Server. The following diagram depicts two simple hub and spoke topologies, each in a different Azure region. A Network Virtual Appliance (NVA) in each region advertises the same route (`a.b.c.d/32` in this example, it could be any prefix that ideally does not overlap with the Azure and on-premises networks) to its local Azure Route Server. The routes will be further propagated to the on-premises network through ExpressRoute. When application users want to access the application from on-premises, the DNS infrastructure (not covered by this document) will resolve the DNS name of the application to the anycast IP address (`a.b.c.d` in the diagram), which the on-premises network devices will route to one of the two regions.
2323

24-
:::image type="content" source="media/senarios/anycast.png" alt-text="Diagram of anycast with Route Server.":::
24+
:::image type="content" source="media/scenarios/anycast.png" alt-text="Diagram of anycast with Route Server.":::
2525

2626
The decision of which of the available regions is selected is entirely based on routing attributes. If the routes from both regions are identical, the on-premises network will typically use Equal Cost MultiPathing (ECMP) to send each application flow to each region. It is possible as well to modify the advertisements generated by each NVA in Azure to make one of the regions preferred, for example with BGP AS Path prepending, establishing a deterministic path from on-premises to the azure workload..
2727

0 commit comments

Comments
 (0)