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Re: Alternative to NetFlow for Measuring Traffic flows
- From: alex
- Date: Mon Dec 16 23:35:54 2002
> > > based on ALL the ASN's of the people on the peering switch.. but in most
> > > cases anyone pushing any real traffic will probably not have fine grained
> > > samples enough to determine a peering relationship based on a single AS
> > > with this method. Maybe Im wrong but hey if you are taking 200megs from any
> > > one ASN I would hope you knew about it.
> > Also, that method has the same "knowing the routes" problem as netflow.
> > Whereever you are getting your list of ASN's route ASN.*"'s routes, there
> > is pretty much no way they are accurate (for an ASN of ANY size).
> The vast majority of the routes will be an intersection of routes announced
> by the AS to other AS (including looking glasses).
oops, this should be read as "by the AS to other AS' (including the data you
can pull of from looking glasses)."