IBM Mainframe 3270 protocol terminal emulation and integration on the Web with Flynet Viewer or Screensurfer offers a number of advantages.
The Flynet approach utilizes the latest AJAX DHTML techniques to ensure that user keystrokes are identical to those found in traditional desktop emulators (including keyboard buffering) and that any host writes to the screen are immediately reflected in the web browser. 3270 protocol integration in a Screensurfer environment uses a different technique to ensure the same thing. True 3270 protocol -to-browser Gateways such as Flynet and Screensurfer can both exploit and optimize CSS-based customization of the IBM Mainframe 3270 protocol attributes.
A standard 3270 protocol terminal emulator, on the other hand is just like what you have today!. Why bother delivering 3270 protocol Internet applications unless you are going to improve them?
We call traditional 3270 protocol emulators ported to execute in the Web environment the "emulator-in-a-box" solution. That is because while users initiate emulation from a "real" HTML web page, the result is typically a separate window that pops-up and becomes the 3270 protocol terminal emulator. This window is typically a Java Applet or an ActiveX control, and offers little integration with other HTML page objects, meaning little integration with your pages!
Integration with a mainframe 3270 protocol application is also possible with both tools, with Flynet Viewer providing integration with .NET and Microsoft tools and Screensurfer providing a standalone ability to integrate with the 3270 protocol.
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