nGrid Server communicates with Relay
Server that has a public
IP address
nRelay Server communicates with Platform Server that only has an internal IP address
nPlatform Server communicates with
Node Servers that process
Grid Server tasks
nAll Nodes are of the same OS architecture (Linux, AIX, Solaris, etc.), but processor
class may be different (PIII-Xeon, Pwr2-Pwr3, Ultra3-Ultra2i, etc.)