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16. Client/Server Computing

The "new" thing in computing these days is the notion of a multi-tiered "client/server" system.

It is hardly a new notion; computer systems have been doing this sort of thing for many years now.

Recent developments involve splitting complex applications into increasingly many pieces, commonly including such components as the following:

SAP's R/3 system is one of the more sophisticated such multi-tier systems. The only component of those listed above that it does not really visibly separate out as a separate component is the TP Monitor.

One can commonly characterize other "simpler" multiuser client server systems based on how they split out their functionality:

By adding the additional "tiers," processing may be split across many servers, thus allowing the systems to handle more complex requirements without bogging down.

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