user to service authentication using JWT/OAuth2/OpenID_Connect.</p></li><li><p>Support GCP service account</p></li><li><p>Unix domain socket for local communication between service and Envoy</p></li><li><p>Middle proxy support</p></li><li><p>Pluggable key management component</p></li></ul></main></div><div class="col-12 col-md-2 d-none d-lg-block"><nav class="toc"><div class="spacer"></div><div class="directory" role="directory"><ul><li><a href="#overview">Overview</a></li><li><a href="#architecture">Archit