IOE Portal Architecture

Client

Middle Tier

Applications

Report Generators

Help Desk

Oracle 8i

Client User Interface: Web Browser, Application, Palm Pilot, etc

XML parser

XML Server

Data Access

HTTP Server

Servlets

XML parser

applet

Document Handler

XML Services:

Parser, DOM

XSL,SAX,XQL

XSQL Servlet

SQL Utilities

Metadata manager

Application Manager

User profiles

Public Keys

Data:

Document Rep.

Project Repository

Training Rep.

JVM

Stored Java,

PL/SQL proc.

State Update

XSL Templates

JDBC

HTTP

HTML

XML

request

response

PORTAL

engine

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