In most cases your SAML SP software will work with the SAMLDS protocol that the OpenAthens discovery service expects and it is just a case of configuring it.
For both OpenAthens SP and OpenAthens Cloud SP, the procedure is the essentially the same.
Cloud SP will start to use the discovery service immediately. As with any configuration change, OpenAthens SP will need a webserver restart to pick up and start using the new settings.
See also: Discovery
You will need to do two things:
Add a discovery response binding to your metadata in the <Extensions> section- e.g:
<Extensions> ... <disco:DiscoveryResponse Binding="urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol" Location="https://shibsp.yourdomain.com/Shibboleth.sso/DS" index="1"/> ... </Extensions>
... and add the discovery service to your
shibboleth.xml configuration file in the SSO section: