This figure shows Oracle Web Conferencing clients connecting to two clusters of Oracle9iAS mid-tiers plus Real-Time Collaboration Core Components through a load balancer. One cluster is located in the United States, and the other is located in the United Kingdom. Each cluster of Core Components is connected to a cluster of Voice and Document Conversion Servers. Both Core Components clusters are connected to the same Oracle Real-Time Collaboration Repository, which are part of the same Oracle Real-Time Collaboration system.