to protect external traffic and uses CertService's client to get it.
CertService's client communicates with CertService via REST API over HTTPS, while CertService with CMPv2 server via CMP over HTTP.
-.. image:: img/certservice_high_level.jpg
+.. image:: resources/certservice_high_level.jpg
:width: 855px
:height: 178px
:alt: Interaction between components