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Installation and Upgrade Guide for Cisco Unified MeetingPlace Web Conferencing Release 6.x
OL-13418-01
Chapter 4 Installing Web Conferencing in a Load Balancing Configuration
About Installing Web Conferencing in a Load Balancing Configuration
• Load Balancing Behavior with Internal and External Clusters, page 4-5
• Recommendations for a Robust Cisco Unified MeetingPlace System, page 4-6
• End-User Experience During Meeting Console Failover, page 4-6
Restrictions for Installing Web Conferencing in a Load Balancing Configuration
• Microsoft Network Load Balancing is not supported.
• Third-party web server load balancing is not supported.
Web Conferencing Clusters
With Cisco Unified MeetingPlace Web Conferencing, you can configure up to three web servers into a
cluster, and you can configure clusters as either internal or external.
Internal cluster—Places all web servers behind the firewall inside the private corporate network.
Typically, all web servers in an internal cluster display the full-access Cisco Unified MeetingPlace Web
Conferencing interface
External cluster—Places all web servers between the private corporate network and the Internet, such
as in a DMZ. For increased security, all web servers in an external cluster typically display the
attend-only Cisco Unified MeetingPlace Web Conferencing interface.
You can attach a maximum of three web servers (including both internal and external servers) to a single
Cisco Unified MeetingPlace Audio Server system. The two databases (one for the internal server or
cluster, one for the external server or cluster) must have identical GUIDS.
Web Conferencing supports five potential load balancing configurations, as shown in Figure 4-1,
Figure 4-2, and Figure 4-3.