Re: Network for Sale

[Paul A Vixie <vixie () mfnx net>]

> > Oh god, I hope not.  RTT has never been an accurate predictor of end-to-end
> > performance. (Just ask anyone who bought into ping-based global server load
> > balancing.)  ASPATH length is almost as bad (as a predictor) as RTT.
>
> well, it's the way icmp_echo is handeld in some vendor routers and
> sometime also the poor implementation of an IP stack on the echoing
> device which is a problem.

no, that is not the problem.  oh i admit that ping time jitter is ~random.
but even if it weren't, RTT doesn't drive performance, (bw*delay)-loss does.