demo stuff

[Francis Dupont]

> An example of a problem that we ran into was that packets can come in
> misaligned, and the default code generated spent much time in
> unaligned traps.

=> I don't code things as *(u_short *)foo when foo is a random pointer.

> http://www.bufferbloat.net/issues/195

=> I agree it is a sure way to get poor performances.

> For further elucidation on the problems working on embedded hardware
> can induce vs working on easy stuff like the mainline architectures,
> please view
> 
> http://www.bufferbloat.net/projects/cerowrt/issues

=> for me the mainline architecture is not the x86, in particular
in its 32 bit modes.

Regards

Francis Dupont <fdupont at isc.org>