Cisco Unified Meetingplace Web Conferencing Load Balancing Algorithm; Suggestions For A Robust Cisco Unified Meetingplace System; Configuration For Video-Enabled Systems; Default Behavior Of Load Balancing In Video-Enabled Systems - Cisco Conference Phone Installation Manual

About Installing Cisco Unified MeetingPlace Web Conferencing Release 5.3 in a Load Balancing Configuration for

Cisco Unified MeetingPlace Web Conferencing Load Balancing Algorithm

The current data-conferencing (DC) load balancing algorithm is as follows:
X = 0.5 * (CPUPercent * 0.6 + MemPercent * 0.4) + DCLoad * DCLoad, where the values for the factors
are as follows:
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Suggestions for a Robust Cisco Unified MeetingPlace System

To ensure a robust system with redundancy and failover, we recommend that you have the following:
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About Installing Cisco Unified MeetingPlace Web Conferencing
Release 5.3 in a Load Balancing Configuration for
Video-Enabled Systems
Cisco Unified MeetingPlace Web Conferencing limits video functionality to one web server. It is
important to consider this limitation when configuring load balancing in video-enabled systems.
Before you configure Cisco Unified MeetingPlace Web Conferencing load balancing in video-enabled
systems, you should understand the following concepts:
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Default Behavior of Load Balancing in Video-Enabled Systems

If your Cisco Unified MeetingPlace Audio Server system is licensed for video, all of the web servers
connected to it will display video-related fields. These fields appear on the following pages for those
users who have video scheduling privileges and allow such users to schedule their meetings from any
web server:
Installation and Upgrade Guide for Cisco Unified MeetingPlace Web Conferencing Release 5.3
4-6
Chapter 4 Installing Cisco Unified MeetingPlace Web Conferencing Release 5.3 in a Load Balancing Configuration
CPUPercent—The value of the particular resource's usage on the web server as reported by
Windows. This value ranges from 0 to 1 as a percent, for example, if 50%, then 0.5.
MemPercent—The value of the particular resource's usage on the web server as reported by
Windows. This value ranges from 0 to 1 as a percent.
DCLoad—The percent of the total number of web or data conferencing (DC) users. This value
ranges from 0 to 1 as a percent.
X—The load balancing factor. The X value is calculated for each server, and the server with the
lowest score hosts the meeting.
An internal web cluster
An external web cluster
Multiple remote SQL Servers in the form of an SQL farm
Remote storage location with RAID5 and a comprehensive backup policy
Default Behavior of Load Balancing in Video-Enabled Systems, page 4-6
Video Meetings in Segmented Meeting Access Deployments, page 4-7
SQL Server Considerations, page 4-7
End-User Considerations, page 4-8
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