ipprecedence

[Eugene Grosbein]

Michael Sierchio wrote:
> 
> Eugene Grosbein wrote:
> 
> > Then, if prioritized packed arrives when FIFO is not empty,
> > it will not be allowed to go out before packets without ipprecedence
> > that are already in FIFO. That's bad.
> 
> That's not quite right.  The prioritized packet will presumably be
> handled by a different (dummynet) queue, and that queue will have
> a higher weight than the other queue (for lower priority traffic).

In addition to dummynet WFQ queue there is interface FIFO queue.
Always, even in the absence of dummynet :-)
It keeps packets that cannot be transmitted immediately
because device is busy. And FIFO, by definition,
will not allow prioritized packets to go out before others.

Eugene