Citrix Web Interface - Client Communications The diagram below shows the client communications when accessing Citrix XenApp via the Citrix Web Interface: Client device utilize a Web browser to authenticate to the Web Interface. 1. The Web server reads users’ credentials and forwards the information to the Citrix XML Service on servers in the server farms. The designated server configured with Web interface console acts as a broker between the Web server and the other servers in the farm. 2. The Citrix XML Service on the designated server retrieves from the servers a list of applications that users can access. These applications comprise the user’s application set. The Citrix XML Service retrieves the application set from the Independent Management Architecture (IMA) system. 3. The Citrix XML Service then returns the user’s application set information to the Web Interface running on the server. 4. The user clicks an application icon in the HTML page. 5. The C...