Last time I open a ticket for information on hardware requirement, SAG support was not able to make an answer and ask us to contact SAG consulting.
Currect system setup :
RHEL AS 5,4 64bits
One vm:
8 Go RAM and 1 processor Intel(R) Xeon(R) CPU X5570 @ 2.93GHz 64 bits
1 IS, 1 Broker
Another vm :
12 Go RAM and 2 processor Intel(R) Xeon(R) CPU X5570 @ 2.93GHz 64 bits
2 IS, 1 Broker
Another vm :
8 Go RAM, and 1 processor Intel(R) Xeon(R) CPU X5570 @ 2.93GHz 64 bits
1 MWS
For each one : red hat 5.4 64b
#webMethods-Upgrade#Integration-Server-and-ESB#webMethods#webMethods-General