CHAPTER 10(system architecture)

system architecture

system design completion

client/server design

mainframe architecture

impact of personal computer

network evolution

LAN and WAN

comparison refer slide 8

client's role

fat/thick client

thin client

comparison refer slide 10

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

network model

OSI model

network topology

hierarchical network

bus network

ring,star and mesh network

system design specification

  1. management summary
  1. system component
  1. system environment
  1. implementation requirement
  1. time and cost estimates
  1. additional material

user approval

presentation