The MPLS WG Archive

[Juha Heinanen <jh@lohi.eng.telia.fi>]

Fred Baker writes:

 > There is no requirement that a diffserv device implement WFQ. Hence, this 
 > is not fundamental.

it is pretty hard to implement af without wfq and red or something that
closely resembles them.

 > In a system which drops no traffic, what does "drop preference" mean?

nothing, but bandwidth (especially international) so far has not been
free.

i can't quite figure out why this outburst to my email, where i gave a
simple example on how rpr doesn't support af.  i very well understand
that not everyone needs that capability and is happy with rpr rings.

-- juha