Plugin reloading too slow of multiple applets per page

Hi,
I want to share a problem with this community and try to shed some light on this.
We all know that an applet loads slow when the JVM loads for the first time or when an applets JAR gets loaded. Fine and not the problem here.
However, applets load too slow when loaded again during the same browser session. Why is this important? Well, in an AJAX-like intranet application you may use multiple applets per page which are loaded again and again as you navigate. The applets could enrich the user experience much the way AJAX does -- if only the applets would not slow down loading of pages.
For example: we have pages with about 10 applets which take about 4 seconds to reload, or 400 ms per applet. This is disappointingly slow because there is no technical excuse for this -- everything is up and running on the Java side and Flash prooves that loading ActiveX can be fast, too. Moreover, it became slower and slower from 1.1 to 1.5.
Nobody at Sun or elsewhere seems to care about this. And therefore, the plugin has now became problematic in Ajax-like intranet scenarios.
This is a pitty and we would very much welcome any kind of activity to improve this.
Anybody knows why this is slow and what is planned to improve this?

There is one known optimization (which may be useful for the readers of this topic):
One may try to keep at least ONE applet with the given EXACT (IDENTICAL archive string) classpath active, e.g., in a frame. This keeps the classloader referenced all the time and avoids reconstruction of the class loader.
However, we already apply this technique and the question is how to get reloading of applets with a ready classloader as fast as FLASH...

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