Real world sflow vs netflow?

[jloiacon at csc.com (Joe Loiacono)]

Peter Phaal <peter.phaal at gmail.com> wrote on 09/23/2012 12:23:57 PM:

> Exporting packet oriented measurements doesn't mean that you have to
> loose ingress/egress interface data. In the specific example being
> discussed (sFlow export), detailed forwarding information from the
> router forwarding plane is exported with each sampled packet header
> (full AS-path if you are using BGP). 

Wrt AS-path, I don't get how this happens. Since this is important to this 
community, could you explain?

Thanks,

Joe