Legacy applications can be run two ways:
|
IBM
Green screen 5250 |
|
Pluta
PSC/400 |
|
Brand
X |
| Resources, and the "Interactive Tax"... |
| Uses expensive Interactive "Feature" |
|
Runs in batch, no interactive |
|
Interactive, and slowly scrapes screen |
| Licensing... |
| None, any dumb terminal or emulator |
|
Per CPU, any Explorer browser |
|
Pay for each client licenses |
| Speed... |
| Pretty darned fast |
|
Pretty darned fast |
|
Not so fast... |
| Ease... |
| Any 5250 emulator or terminal |
|
Any 5250 emulator or terminal, OR, Generic MS-IE browser |
|
Requires browser add-in, downloaded Java applet, client software, and/or client license |
| Interface portability... |
| 5250 ONLY |
|
5250 *AND* browser, simultaneously |
|
5250 *AND* browser, simultaneously |
| RPG... |
| Generic RPG |
|
Generic RPG |
|
Generic RPG |
