This begs the question, which is more meaningful a metric, AS-path or hop count? Many networks have a large number of routers but the packets don’t stay in them very long.
-Ben. > On Nov 21, 2018, at 8:10 PM, Bryce Wilson <br...@thenetworknerds.ca> wrote: > > I don’t have any hard statistics but I notice that on a majority of ASs on > bgp.he.net <http://bgp.he.net/>, the average AS path length is between 4 and > 5. As for the average number of hops, it clearly depends on what type of > traffic and many ASNs have more than one router. Going on my own experience I > would say between 8 and 10 hops would be the average of non-cached content. > If you included cached content such as cdns and caches then the actual > average might be closer to 5 to 7. This is only an estimate from my own > network and those of my clients so the actual value may be completely > different. > > As with what others have said, I’m not sure on what use this data, if > collected, would be. Latency is the most important. > > > Thanks ~ Bryce Wilson, AS202313, EVIX, AS137933 >
