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CHAPTER 10(system architecture) (network model (OSI model, network…
CHAPTER 10(system architecture)
system architecture
mainframe architecture
impact of personal computer
network evolution
LAN and WAN
system design completion
system design specification
management summary
system component
system environment
implementation requirement
time and cost estimates
additional material
user approval
presentation
client/server design
comparison refer slide 8
client/server tiers
two tier (UI-client, DATA-server) both can run application logic
three-tier (UI- client, DATA- server) but have middleware to processes the client request
cost benefit issue
performance issue
client's role
fat/thick client
thin client
comparison refer slide 10
network model
OSI model
network topology
hierarchical network
bus network
ring,star and mesh network