TN3270 Host Access for the Web
TN3270 is now the most popular method of delivering 3270 terminal emulation due to the flexibility and freedom from proprietary SNA network environments. Meanwhile, the use of TN3270 outside of a company's walls is a very low-security environment. With Screensurfer running through an SSL solution such as Microsoft IIS, TN3270 applications can be delivered as 100% HTML and javascript to all popular browsers, with no changes required on the mainframe.Many companies have implemented user productivity applications that work as Web applications, yet still have a terminal emulator running on the user's desktop. With Screensurfer, the TN3270 applications can be integrated at the browser so that the users see a single menu, and can easily switch between Intranet applications and the TN3270 emulation session.
We call traditional TN3270 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 TN3270 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!
Another problem with TN3270 emulation delivered using an emulator-in-a-box is that enhancing the user interface is problematic compared to the ease of implementing an HTML-based enhancement with a product like Screensurfer. Large, clumsy graphical user interface code modules must be downloaded for every enhanced TN3270 screen which makes for stuttering and annoying delays. This doesn't even cover the low-level programming skills required to make a GUI user interface really work for a TN3270 screen compared to an HTML user interface.
Read our opinions of the emulator-in-a-box solution here.
Inventu Corporation
Inventu provides our Customers with software and services to implement new applications that support business initiatives. Inventu concentrates on using, replacing and renewing existing (legacy) applications using our own product, Screensurfer and our Partner's product, Flynet Viewer.
Screensurfer
Screensurfer is an All-in-one host screen-to-Web application server that runs on Windows servers such as Windows 2000 and Windows Server 2003. Screensurfer is self-contained; no other products or development tools are needed to implement a new web-to-host application.With an HTML-based tag language (Surferscript) which is very similar to Coldfusion CFML, Screensurfer provides very high productivity when converting existing 3270, 5250 and VT100 screens into HTML pages.
Screensurfer's IDE, the Express Editor and Debugger, provides an integrated editing and step-trace debugger for a solid editing and development environment that any developer can appreciate.
Flynet Viewer
Flynet Viewer provides "everything you need" and "nothing you don't want" for screen interfacing by development teams utilizing Microsoft IDE environments such as Visual Studio .NET, Visual Basic and Visual Interdev.For more information: Inventu Home Page
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