Slide11 - Figure 6.10 The Client—server pattern...

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Unformatted text preview: Figure 6.10 The Client—server pattern Descrllatien In a client-server architecture. the functienailtylr ef the system Is crganlzed Intc services. wtlh each service deivered from a separate server. clients are users cf these services and access servers to make use sf them. Example Figure 5.11 Is an example cf a film and videcifl‘v'D librarv erganlzed as a client-server system. When used Used when data In a shared database has to be accessed frern a range sf Iccatiens. Because servers can be replicated, may else be used when the lead an a system Is variable. Advantages The principal advantage cf this mcdel Is that servers can be distributed across a nehverit. General functlbnalltv tag, a printlng service] can be available to all clients and dces nct need tb be Implemented by all servlces. chsdvantages Each service Is a single pelnt at failure as susceptible to denial at service attacks er server failure. Perfermance magir be unpredictable because It depends en the network as well as the system. May be management problems if servers are aimed by different ergarizaffens. ...
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