[Iccrg] Explicit feedback

[Michael Welzl]

> > That is why we talk about updating every 60 seconds or there about
> 
>    Oscillation is a problem of phase shifting, not delay time. It's the
> damping inherent in averaging which helps here.
> 
>    The question should be _how_ to route around congestion. Clearly,
> it's not always possible; but when it is, we could be doing a _lot_
> better!

While I agree with your statement, I'd also like to add that
there might also be other things that we could do with
congestion information that is carried in routing updates -
in which case the oscillation problem wouldn't concern us.

Cheers,
Michael