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+---
+title: "How to size your projects for Red Hat's single sign-on technology"
+date: 2021-06-07T00:00:00+02:00
+draft: false
+opensource:
+- keycloak
+- K6
+topics:
+- Performance testing
+---
+
+Red Hat's single sign-on (SSO) technology is an identity and access management tool included in the Red Hat Middleware Core Services Collection that's based on the well-known Keycloak open source project.
+As with other Red Hat products, users have to acquire subscriptions, which are priced according to the number of cores or vCPU used to deploy the product.
+
+This presents an interesting problem for pre-sales engineers like me.
+To help my customers acquire the correct number of subscriptions, I need to sketch the target architecture and count how many cores they need.
+This would not be a problem if off-the-shelf performance benchmarks were available; however, they are not.
+
+This article will help colleagues and customers estimate their SSO projects more precisely.
+We will examine the performance benchmarks I ran, how I designed them, the results I gathered, and how I drew conclusions to size my SSO project.
+
+[Continue reading on developers.redhat.com](https://developers.redhat.com/articles/2021/06/07/how-size-your-projects-red-hats-single-sign-technology)