A complex cell:
· Contains more than 50 hosts
· Provides service to 100 to 10,000 users
· Possibly has at least one requirement for no single point of failure on a service
· Hosts DCE core services on dedicated server machines
· Replicates some or all DCE core services on multiple server machines
· Has machines and users connected by a LAN or a WAN
Complex cells can be more reliable than simple cells if they adopt a failsafe configuration.
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