Extra Large UMS Installations with up to 300k Devices; High Availability + ICG 

Installation Size#Devices

#UMS Server Host

UMS Server UMS Console Standalone #Load Balancer StandaloneLoad Balancer Standalone Database*ICG
XL (HA)**< 300.000

Up to 6 servers 
(1 server / 50,000 devices)  

9 GB RAM  
(Web App +1GB)  

6 CPUs 

2GB HDD

Mandatory  

6 GB RAM  

4 CPUs 

1 GB HDD 

Up to 3 load balancers
(1 load balancer / 3 servers)

4 GB RAM 

4 CPUs 

2 GB HDD

External database 

20 GB   

1 ICG instance per 2,500 devices 

Sizing per ICG: 

2 GB RAM 

2 CPUs 

2 GB HDD 

Follow the recommendation of the external database system on RAM and CPU.  

** General recommendation: 1 UMS Server per 50,000 devices1 load balancer for 3 UMS Servers.  

Architecture: Extra Large Environment (HA) + ICG