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From: nickroberts@blueyonder.co.uk (Nick Roberts)
Newsgroups: comp.lang.ada
Subject: Re: Ada-inspired OS/Language
Date: Thu, 05 Sep 2002 03:16:21 GMT
Organization: AdaOS
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On Wed, 04 Sep 2002 17:24:32 GMT, Darren New <dnew@san.rr.com> strongly
typed:

>Nick Roberts wrote:
>> Yes, I think it is. I am not very familiar with Andrew, but my impression
>> is that in fact no-one has produced a truly distributed OS yet (that can
>> shuffle processes between workstations arbitrarily, without any major
>> restrictions).
>
>I believe Ameoba (by Tanenbaum) will do this without much trouble. Of
>course, you have to move the process to a machine with the same CPU and
>enough memory, but that seems reasonable. It's a capability-based OS, and it
>assumes (for example) that the place you compute and the place you hand
>disks off of are two separate machines. (I think it even assumes your
>directories live on a different machine than the actual data files.) Moving
>processes between computers would be a user-level operation in this system.
>(Freeze the process, find a new computer, allocate new memory, copy old
>memory to new memory, start process in new memory, abort old process.)

This sounds very similar to how AdaOS will do it.

>Google for it. The papers describing the architecture are (were) online, if
>not the full source code.

I'm sure I tried this (and got relatively little information), but I will
try again! ... I tried and got loads of stuff. Great! Much reading matter.

-- 
Nick Roberts