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What are the disadvantages of client server computing models?

Answer:

The above are some of the main advantages in client/serer computing. Though theadvantages are numerous there are some disadvantage also in client/server computing which made other technology like mainframes to take its shape and popularity. Some of the disadvantages are

We have seen above that the client/server computing is cost effective. It is true as said above and also because when compared with mainframes the cost of hardware is very less in client/server computing. But in a client/server computing it is not that hardware only is present but there are also other costs included like number of multiple clients' maintenance which includes users, developers, administrators to maintain database in server side and so on. When we consider all this the cost in client/server computing is higher.

We know that mainframe is a centralized database managed system. Though the system is costlier in hardware point of view it provides reliable and secured system which is very much needed for big real time applications. This is because in these real times huge applications the main requirement is system must not stop and must run throughout without failure which is achieved by centralized maintained mainframe systems. But in client/server computing it is not maintained centrally and the reliability is not much which means if the system got stopped in between then real time huge applicationwould face huge loss in term of productivity and cost.

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