[cap-talk] Re: "capabilities" as data vs. as descriptors - OS
security discussion, restricted access processes, etc.
Jonathan M. Smith
jms at central.cis.upenn.edu
Mon May 10 17:11:15 EDT 2004
See for example the Cambridge Nemesis O.S.
On Mon, 10 May 2004, Jonathan S. Shapiro wrote:
> On Mon, 2004-05-10 at 10:44, Ben Laurie wrote:
> > > Actually, QoS *does* reduce covert bandwidth, precisely because it
> > > reduces variance.
> > Eh? It reduces variance introduced by the transport. It has no impact on
> > variance introduced by the sender, surely?
> Almost all of the *real* QoS solutions manage *all* of the application
> resources. If you are talking strictly about network QoS then what you
> say is true, but if you are talking about generalized QoS within an
> operating system then you commonly find that a small number of
> guarantees has the effect of regularizing (e.g.) all other scheduling
> cap-talk mailing list
> cap-talk at mail.eros-os.org
More information about the cap-talk