Handling MED value

[Ondrej Zajicek]

On Thu, Dec 15, 2011 at 11:30:04AM +0100, Martin Mares wrote:
> Hello!
> 
> > But it seems that your problem is not exactly with signedness, but with
> > overflow (instead of saturation). Overflow works also the same for
> > signed and unsigned ones.
> > 
> > I thought about this some time ago and probably the best solution would
> > be to switch BIRD completely to unsigned behavior (as most route properties
> > with 32bit ranage are defined as unsigned) in some major release.
> 
> While I think that switching to unsigned is a good idea, I am not sure that
> silent overflows make sense. Maybe we should log the overflows or use saturation
> arithmetics instead.

You are probably right about silent overflows. I would prefer logging
them because silent saturation may be unexpected to many users as well.

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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