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Apply Rate Limiting Policy
- 1. APPLY RATE LIMITINGPOLICY WITH MULESOFT API GATEWAY Vince Jason Soliza
- 2. Pre-requisites • API inMulesoft API Gateway – e.g. http://www.slideshare.net/VinceSoliza/proxy-existing-soap-web-service
- 3. Apply Policies inAPI Manager This presentation will show how to apply Rate Limiting Policy in API Gateway using Anypoint Platform for APIs
- 4. Run in AnypointStudio • Run the api application in anypoint studio Note: Make sure the default api gateway port of 8081 is available. Skip this step if running with API Gateway Standalone outside Anypoint Studio or if deployed in Cloudhub.
- 5. Apply Rate LimitingPolicy • Login to anypoint platform and open the API Manager where we want to apply the policy • Click the Policies tab in the bottom part of the API Manager
- 6. Apply Rate LimitingPolicy • We can view the list of applied and currently available policies within the API. Currently we have no applied policies. • Look for the Rate Limiting policy then click Apply
- 7. Apply Rate LimitingPolicy • Set 10 Requests per second as our limit. Click Apply. • Now we have successfully applied the Rate Limit policy
- 8. Test Before Policyis Applied • Run the API using SOAPUI Load Test Runner with 20 requests per second for 10 seconds. • With a tps of 23.76 it accepts all the requests without a single exception.
- 9. Test After Policyis Applied • Run the API using SOAPUI Load Test Runner with 20 requests per second for 10 seconds. • With a tps of 24.51 for 10 seconds there are 156 exceptions with error message: Tue Feb 23 12:53:37 PHT 2016:DEBUG:Receiving response: HTTP/1.1 429 Too Many Requests. This is because we set the rate limit policy to 10 requests per second only.It rejects the incoming request when the limit has been reached.
- 10. Summary • Rate limitingis used to control the rate of traffic sent or received by a network interface controller. • A policy is a mechanism the gateway uses to enforce filters on traffic as it flows through the gateway. The Anypoint Platform for APIs comes with a number of pre-built policies including Rate Limiting, Throttling, OAuth 2, Basic HTTP Authentication, and XML and JSON threat protection. https://docs.mulesoft.com/anypoint-platform-for-apis/api-gateway-101#what-is-a-policy
- 11. QUESTIONS? Please leave acomment
Editor's Notes
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- #12 Microsoft Confidential