Use Cases

Failover
The simplest Domain Name System (DNS) failover scenario is to send all traffic from a primary endpoint to a backup location when the primary endpoint is unreachable. With Oracle Cloud Infrastructure, setup and custom configurations are fast and intuitive.
Cloud Migration
Cloud DNS load balancing—ratio load balancing, in particular—is perfect for controlling your migration to the cloud. Simply steer a small percentage of traffic to the “new” infrastructure, monitor the results, and increase the amount of traffic at your own pace.
Load Balancing for Test
Distribute load across multiple compute instances as you scale mission-critical applications and leverage Oracle Health Checks to ensure users are sent to healthy endpoint.
Hybrid Environments
Traffic Steering policies work with any public-facing endpoint and serve as a control plane for any combination of your own data centers and cloud infrastructure instances.
Worldwide Geolocation
With Oracle Cloud Infrastructure's industry-leading geolocation data you can ensure the lowest-latency response for end users. This same data can also help with compliance based on the users’ countries of origin.
Canary Testing
Control access to new or beta features before rolling out for general availability with source-based steering policies based on geolocation or IP prefix.
Zero-Rating Services
In this case, conditional steering is based on the originating enterprise, mobile operator, or other communications provider. Preferred autonomous system numbers (ASNs) can be directed to free resources while all other traffic can be directed to paid resources to support commercial agreements that may be in place.

Features

Public DNS steering policies are not limited to assets in Oracle Cloud Infrastructure, making Oracle DNS the best choice for hybrid and multicloud architectures. Traffic management steering policy types include:
Load Balancer
Global server load balancing enables you to use round-robin load balancing to distribute traffic among multiple servers to optimize performance. Traffic can be split evenly among endpoints or weighted via ratio assignment.
Failover
It’s easy to set up a simple active-active failover between two public assets. Oracle Cloud Infrastructure will monitor the primary endpoint (via Oracle Health Checks) and reroute all traffic to a failover location if the primary endpoint is unresponsive.
Geolocation Steering
Traffic steering policies can also route traffic based on the source of the query. Geolocation steering dynamically routes requests to the appropriate response pool based on the physical location of the originating request.
ASN Steering
Dynamically routes traffic requests based on the originating ASN or IP prefix.
IP Prefix Steering
Dynamically routes traffic requests based on originating IP prefix (e.g. 172.16.1.0/24).
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