I believe the origination of the extension was the CMW work (compartmented
mode workstation) push of the U.S. Federal government in the early 90's,
to allow different security level information to be on the screen at
the same time. This was the infamous "orange book".
Either way, we have (at least) three potential uses for the extension:
1) shared resources like projectors or
2) when using groupware
among relatively untrusted people.
3) remote applets.
Parts of the CMW push were pretty daft: excessive worry about
back channels between security levels, for example. That part
of the CMW work got to the point of paranoia...
- Jim
--
Jim Gettys
Cambridge Research Laboratory
HP Labs, Hewlett-Packard Company
[EMAIL PROTECTED]
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