Some was concept

6.0:
server 1 > application server
6.1:
Deployment Manager profile > application server
IHS:
Plugin(XML)

DS > Alias

ND:
= HA, LB

edge cp(active),(edge cp(standby))
edge cp(standby),(edge cp(active))
^
IHS(web server),IHS(web server)
x
WAS,WAS