It is possible to integrate i-lign into your authentication infrastructure by delegating the authentication to a native web server or reverse proxy installed on the same server as i-lign.
Our standard approach is for the front end web server or proxy to communicate to the Tomcat application server via the AJP binary protocol. There are AJP modules available for web servers like IIS and Apache.
This approach allows you to pick and configure an integration method that suits your network.