Installation and requirement help required on debian sarge

Hi,
 
I am new to ultramonkey.I am planning to install the ultra monkey in debian 3.1 according to the ultramonkey.org for debian 
 
http://www.ultramonkey.org/3/installation-debian.sarge.html
 
I need to install using apt-get install ultramonkey 
 
I have a questions on this if i install ultramonkey package it will install all the required packages that is heartbeat,ipvsadm and ultra monkey.
 
 I am planning to install "High Availability and Load Balancing" for this we need 4 nodes and how many ipaddress required as per my knowledge 2 for directors and 2 for real servers and i didn't understand what is the purpose of virtual ipaddresses .
 
Can some one explain me the exact requirements for ultramonkey i am planning to install "High Availability and Load Balancing" in this we have "A single virtual service and a A network of virual services" which one i have to select.
 
I know 4 nodes required
 
1)How many ipaddresses required?
 
2)What packages we need to install in directors and real servers?
 
Is there any other information please help me
 
Thanks for your help
 
Best Regards

		
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