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Status Delivered
Workspace API Connect
Created by Guest
Created on Oct 24, 2017

Support the implementation and enforcement of global (back-end) throttling rates

At the API plan level it is possible to define front-end rate limits. When an application subscribes to and is provided with access to a plan, the application cannot make any API requests which exceed the configured rate. However if the back-end system can only support a defined rate (e.g. 100 txns/sec) and we configure a plan with a rate limit of 20 txns/sec, this implies that we can only take on a maximum of 5 applications onto this plan before we risk exceeding the maximum rate which the back-end system can support. We therefore require the ability to set a global throttling rate in that no matter how many applications access the API, the requests will never exceed the global rate. This will ensure that we can provide true protection to the back-end system while sustaining and delivering SLAs.

Idea priority High
RFE ID 112009
RFE Product IBM API Connect
  • Guest
    Jul 14, 2021

    Hi - This RFE has been marked as delivered. Please check this on the latest versions of the API Gateway Service on our V2018 product as well as V10.

    This is implemented as part of the Assembly Rate Limit Policy.

    Please ensure when checking for this functionality you are using the API Gateway Service (APIGW) and not the Multi-protocol Gateway Service or (v5c) compatible gateway.

    Rate Limits can now be defined on various levels - API Plan, API Catalog, API Gateway --- and can limit across APIs how many total are used.

    You can use it to guard Invoke Policy access to a particular backend. It is designed to be flexible.

    API Connect Product Mgmt Team