> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Monday, July 19, 1999 6:37 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [JOS-Kernel] Construction of a new Java Operating System
>
> From: [EMAIL PROTECTED]
>
>
> On Mon, 19 Jul 1999, Ryan Heise wrote:
>
> >Cliff Baeseman wrote:
> >
> >> JOS is also based on a single instance JVM design. This is a very poor
> >> design in my opinion.
>
JJOS is *currently* based on a single instance design. In time, though, it
will come to support Multiple Java Processes while still having the
advantages noted below:
> >
> >It allows you to share 15 megs of system classes between applications.
> >It allows you to have one thread scheduler across all applications. It
> >allows you to have one garbage collecter and memory manager across all
> >applications. There are a few other optimizations that are possible.
>
> What about possibility of multiuser usage of such an OS (from the security
> point of view?) Or is this JOS project positioned only for client
> platform?
>
>
> Dmitry M. Golubovsky
> St-Petersburg, Russia
>
>
The design we want to get to eventually will allow us to enforce security
and memory limits on Java Processes while still only loading and compiling
class bytecodes once.
Here are some good pages to read and follow the links of on the Wiki:
http://jos.org/wiki/view/Main/WhyMultiProcessJVM
http://jos.org/wiki/view/Main/JOSCoreProjectUpdate
http://jos.org/wiki/view/Main/MultiUserGroup
-- Avery J. Regier
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