Two other services may need consideration when running PingFederate in a cluster, depending on SAML 2.0 federation deployment needs:
- Account linking service
- Pseudonym service
Account linking service
This service stores the association between the external and internal identifiers of an end user when account linking is used as an SP identity-mapping strategy. The default, standalone implementation uses a JDBC interface to an embedded database within PingFederate. No information from the embedded database is shared across the cluster. Therefore, when account linking is used for an IdP connection deployed in a cluster, the default implementation will not work properly. In such cases, the pointer must be adjusted for cluster use by pointing the service to an external database (see Define an account-linking data store).
This service references the method needed by PingFederate to generate or look up a pseudonym
for a user. The service is used only if your site is acting in an IdP role and produces
assertions containing pseudonyms as subject identifiers. The default implementation uses a
message digest to produce the value so that no session-state synchronization is required.
However, it may be desirable in some situations to implement pseudonym handling differently.
Developers can refer to the Javadoc reference describing
interface for more information.