Nathan Andelin wrote:
From: Niels Liisberg
One idea ... is to convert the 5250 stream on the fly to
JSON and create a super thin java-script client ...

Yes. Build a short data stream that a JavaScript client can parse & render as DOM input/output elements at runtime. R=5, C=10 could mean row 5, colum 10, for example. That would be much less verbose than complete HTML pages generated on the server and sent to the browser.
It's a great theory, but it falls a little short in practice. We did this about five years ago with PSC. We created a "high performance" version that sent only terse UI requests. We reached our goal (page sizes under 3K) but the problem was the performance on the client. Constantly creating dozens of widgets in the browser does not perform well, especially on smaller PCs. If you do decide to pursue this sort of architecture, be very sure that you test strenuously with the lowest configuration you intend to support.

Joe

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