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Throttling prioritization

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This article provides information about priority-based throttling for Open Data Protocol (OData) and custom service-based integrations.

Resource-based limits for service protection application programming interfaces (APIs) work together with the user-based limits for service protection APIs as protective settings that help prevent the over-utilization of resources. In this way, they help preserve the system's responsiveness and ensure consistent availability and performance for environments that run finance and operations apps. The resource-based limits will throttle service requests when the aggregate consumption of web server resources reaches levels that threaten service performance and availability.

Note

Throttling priority mapping does not apply to user-based service protection API limits. The priority mapping is specific to resource-based service protection API limits. See Service protection API limits for more information on the API limit types.

For resource-based service protection API limits, you can set the relative priority for OData and custom service-based integrations, depending on your business-critical need for these integrations. The throttling manager will then honor the priorities that are set for the requests. For OData and custom service-based requests, a "Too many requests" error will be sent if system health and performance are affected.

Determine prioritization

The Throttling Priority Mapping page is used to assign priorities for integrations so that priorities can be honored when requests are throttled. Setting appropriate priorities ensures that low-priority integrations will be throttled before high-priority integrations. For more information about how to set up integration, see Enable connectivity with external services.

The following are the authentication types supported in Microsoft Entra ID (Microsoft Entra ID). For more information, see Authentication.

  • User based: This flow uses a username and password for authentication and authorization.
  • Microsoft Entra application based: This flow uses an application registered in Microsoft Entra and an associated secret for authentication.

When setting the priority mapping, you will select the authentication type that is used for the integration, either for a specific application (client ID) or a specific user.

  • If the priority mapping is set for an application, then the priority mapping is applied to any API request from the selected Microsoft Entra application ID.
  • If the priority mapping is set for a user, then the priority mapping is applied to any API request from the selected Microsoft Entra user ID.

There are three priority levels available: Low, Medium, and High. Each priority level assigns different throttling thresholds for the selected application or user.

  • Low: Applications or users with a Low priority mapping have a lower threshold of service resource consumption for which they will be throttled than integrations set with a Medium or High priority.
  • Medium: Applications or users with a Medium priority mapping have a higher throttling threshold of service resource consumption than integrations with a Low priority mapping, and lower throttling threshold of resource consumption than integrations with a High priority mapping.
  • High: Applications or users with a High priority mapping have a higher throttling threshold of service resource consumption than integrations with either a Low or Medium priority mapping.

These priority mappings ensure that requests from high-priority applications and users not throttled due to service resource consumption by lower-priority integrations.

Configure priorities for integrations

After you have registered your service in Microsoft Entra and in your finance and operations apps, you can set up priorities for integrations.

Note

You must be assigned the System administrator or Integration priority manager role to complete the set up.

  1. In finance and operations apps, go to System administration > Setup > Throttling priority mapping.
  2. Select New.
  3. In the Authentication type field, select User or Microsoft Entra application based on your integration scenario.
  4. If Microsoft Entra application type is selected, in the Client ID field select the application that you registered in the Microsoft Entra application.
  5. If User type is selected, in the User ID field select an appropriate service account user ID.
  6. Assign the appropriate priority and then select Save.