IPv6 traffic percentages?

[randy at psg.com (Randy Bush)]

> We know the GPS coordinates for each BGP next-hop in the network, and
> traffic is sampled on ingress at the edge of the network and reported
> to pmacct (*flow), which also receives a RR-style BGP feed for
> correlation.
> 
> We can know where (geographically) a packet enters the network, where
> it leaves the network and to what address family it belongs.

i have only seen pmacct used for aggregated flow/traffic.  you actually
know where each packet enters and leaves?

randy