Split Capabilities: Making Capabilities Scale

Karp, Alan alan_karp@hp.com
Wed, 19 Jul 2000 13:31:10 -0700


> -----Original Message-----
> From: Jonathan S. Shapiro [mailto:shap@eros-os.org]
> Sent: Wednesday, July 19, 2000 12:54 PM
> To: Karp, Alan; 'Bill Frantz'; e-lang@eros-os.org
> Subject: Re: Split Capabilities: Making Capabilities Scale
> 
> 
> > I'm trained in astrophysics.  To me, 324 bytes is of the 
> order of 1 KB.
> > Besides, I believe that delegated certificates encode the chain of
> > delegation and are therefore larger.
> 
> From an OS point of view, this is actually a bigger problem than the
> absolute size issue. It is most unfortunate if your atomic unit of
> authorization to be variable size and is managed by kernel code.

Fortunately, e-speak isn't really an OS, just sort of one.  Unfortunately,
the certificate work is in the critical path.  That's why it's only done to
set up a secure session.

> 
> "Death to complexity!", raged the screaming software fanatic, 
> drawing his
> razor-sharp text editor from it's sheath and slashing the 
> infidel's code.
> :-)
> 
> Hmm. My future as a thriller writer seems limited. I suppose 
> I'll stick to
> software.

Sadly, I've read worse.

> 
> shap
> 

_________________________
Alan Karp
Decision Technology Department
Hewlett-Packard Laboratories MS 1U-2
1501 Page Mill Road
Palo Alto, CA 94304
(650) 857-3967, fax (650) 857-6278