• _{micro-mainframe vs peer-to-peer}
• _{micro-mainframe the pc acts like a dumb terminal}
• _{in peer to peer resources are shared}
• _{Classic SNA architecture}
• _{see fig 6-21 note FEP (takes care of communications processing)}
• _{cluster controller allows connection of both 3270 terminals and LANs}
• _{also have PCs that emulate 3270 terminals (via protocols conversion cards or gateway pc)}