Example deployment showing items inside company firewalls. Inside the company DMZ: the Oracle 9iAS Mid-Tier and Oracle Real-Time Collaboration Core Components, the Document and Voice Conversion servers, and the Single Sign-On Server. Inside the company intranet: The Oracle Real-Time Collaboration Repository and the Oracle 9iAS infrastructure, without Single Sign-On. Users outside the DMZ on the Intranet and inside the DMZ or the Intranet can run web conferencing, because all of them can access the items inside the DMZ.