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Re: Coyotos vs. EROS

From: Bas Wijnen
Subject: Re: Coyotos vs. EROS
Date: Fri, 28 Oct 2005 14:52:55 +0200
User-agent: Mutt/1.5.11

On Fri, Oct 28, 2005 at 09:52:35AM +0200, Justin Emmanuel wrote:
> OK! I give up.
> 1) What is an endpoint?

An endpoint is a communication channel to a process.  There are two types of
capabilities, endpoint capabilities (with which you can use an endpoint, that
is perform communication) and capabilities to kernel-implemented objects.

Capabilities are simply tokens which you can use to perform operations on
other processes (servers).  They can be compared to keys.  In a capability
system, no two locks are the same, so you need a separate key for every door.
It is possible (and not unusual) though that more than one process has a copy
of the same key.


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