All things related to multicast

[Jon Zeeff <>]

This is about what I was thinking.  Or something derived from backbone 
netflow data.  Or
some log of IGMP traffic on a campus LAN.

Sounds like we really don't know how common multicast use is and what 
sources are popular.


> > Maybe you could look instead at how often a particular group
> > is forwarded across a router, i.e. how often there is at least
> > one downstream receiver.  But, these stats aren't currently
> > be collected.
>
> Well, back when I was at the UofO I began feeding reqs to a student to
> build a tool which logged OIF state at the campus border router and just
> to track G's with active receivers. I don't know what ever became of it
> though, sorry.
>
> Greg