res:</p><ul><li>Authorization at different levels of granularity, including namespace level, service level, and method level.</li><li>Service-to-service and end-user-to-service authorization.</li><li>High performance, as it is enforced natively on Envoy.</li><li>Role-based semantics, which makes it easy to use.</li><li>High flexibility as it allows users to define conditions using
<a href=/v1.15/docs/reference/config/security/conditions/>combinations of attributes</a>.</li></ul><p>In this blog post, you&rsq