Table of Contents for Overview of Gateway System

---

1 The Gateway System
2 Goals
3 Design Issues
4 Towards a complete solution ...
5 Three-Tier Architecture
6 Target Architecture
7 Portal Page
8 User and Group Profile
9 Control Applet
10 Screen Dump of the Control Applet
11 Application Domain DataBases PSE Example: CCM
12 PPT Slide
13 Selecting a Predefined Task
14 Visual Authoring Tools
15 Example: Data Flow
16 Example: DARP
17 Example of a portal
18 Processing Task Specification
19 Other toolboxes
20 CORBA Based Middle-Tier
21 WebFlow Server
22 WebFlow Context Hierarchy
23 Module functionality
24 Middle-Tier modules serve as proxies of Back-End Services
25 Back End Services
26 WebFlow over Globus
27 Security Model (Keberos)

Click outside pointer rectangle to move pointer
Click on Pointer to Hide
Click on Pointer + ALT to toggle message hiding
Click on Pointer + CNTL to abolish pointer
Click on Pointer + Shift to cycle families
Click outside + Alt is Change Image
Click outside + Control is Double Size
Click outside + Shift is Halve Size

Right Mouse Down on Pointer Toggles Index
Shift Right Mouse aligns top with scrolled Page
While With Mouse Down on Current Pointer
h hides This Message while m restores
i Toggles Index Aligned with Page Top
j Toggles Index Aligned with Scrolled View Top
a Abolishes Pointer while CNTL-Click restores
f cycles through pointer families
c cycles through members of a family
u increases Size Up and d decreases Down
Mouse Up-Down between changes of
Pointer to process new option