1
The Gateway System Desktop Access to High Performance Computational Resources 2
Goals 3
Design Issues 4
Computational Portals 5
Target Architecture 6
The Software Hierarchy 7
How does it work? CORBA-based Middle Tier (Proxy modules - a simplified example) 8
CORBA-based Middle Tier (2) Data Flow; Automatic generation of RSL 9
Resource Descriptor 10
Resource Descriptors 11
Resource Descriptors 12
Resource Descriptors 13
Resource Descriptors 14
Abstract Task Descriptor 15
Task Descriptor 16
Processing Task Specification 17
Example of a portal 18
PPT Slide 19
Example Portal: Data Flow 20
PPT Slide 21
Gateway: logical structure 22
Gateway Front End 23
Gateway component model 24
Middle Tier Objects 25
Gateway System 26
Middle Tier Services 27
Screen Dump of the Control Applet 28
Summary
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