[e2e] Internet path dynamics

[Randy Bush]

> Thank you for the pointer. Unfortunately, RouteViews still only seems to 
> keep track of BGP-level connectivity and changes. The data I would be 
> interested in would hop-by-hop (i.e., router-by-router) changes of 
> paths. But it seems that no such data is currently available.

marcel,

you are correct.  very isps even gather or keep those data
internally.

randy