Basic HTML version of Foils prepared March 26 99

Foil 2 PPT Slide

From Overview of Gateway and Problem Solving Environments Chemical Engineering Alliance AT Meeting Univ of Kansas -- March 4 99. by Dick Pritchard(OSC)
Gateway Concept (as conceived by NPAC-Syracuse)
· Three-tiered architecture
· Web browser PSEs for clients
· Object Request Broker (ORB)-based Java middleware
· Middleware interfaces PSE to back-end mainframes and provides various "services"
Client
Tier
Middle Layer (Server Tier)
Backend Tier

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