On Wed, Dec 3, 2008 at 3:54 PM, Nick Hilliard <nick at foobar.org> wrote: > If you want to do this properly, you will need to install dedicated > measurement hosts hanging off each router and measure response times to > them instead. RIPE TTM boxes are pretty good for this: > http://www.ripe.net/ttm/ tcptrace.org is also passive