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Graphics Interchange Format  |  1998-02-10  |  29.6 KB  |  462x215  |  4-bit (16 colors)
   ocr: Tier 3 Mier Tier . Primaryand Business Logic, ReplicaData Interactive Load Balancing, Presentation Transaction Connects to DBMS(S) Pooling, etc. the site primarydata selected Application Connectsto least-busy Application servers algoritem. byoptiszabons Clients (GUI) reachable senier PowerBuilder PowerBuilder Connects to Mathematica, Proxy Object(s) Nonvisual Object(s) loçal resource, reaitime data feed, etc figure 1. The overall architecture (simplified) of the three-tier system.