Re: Diffserv service classes

[Petri Helenius <pete () he iki fi>]

Sean Donelan wrote:

> On Sat, 20 Nov 2004, Vicky wrote:
>  
>
> > interesting read at:
> > http://qbone.internet2.edu/papers/non-architectural-problems.txt
> >    
>
> There is a long history of problems.  But Internet2 also shows a success
> for Diffserv, namely there is demand for a "worse" effort.
>
> Are a dozen differnt classes useful to a network operator?
>  
Hardly, the greatest demand so far has been for "cheap if not free" 
packets which your transit provider can drop if he so decides. Bandwidth 
that is used for redundancy planning, etc.

Queuing/diffserv is useful on thin (sub 2Mbps) edge links.

Pete