All things related to multicast

["Scott Robohn" <>]

Marshall/all,

I assume this is under "normal" conditions.  Have you (or anyone else)
been able to digest the data from the worms earlier this year and see
what the spread looks like under those conditions?  I've been curious as
to what proportion of the worm traffic was destined for the 224.0/16,
224.1/16, 224.2/16, and 233/8 blocks.

Thanks,
Scott

> -----Original Message-----
> From: 
> 
>  
> [mailto:]
>  On Behalf Of 
> Marshall Eubanks
> Sent: Wednesday, September 03, 2003 12:01 AM
> To: 
> ;
>  Matthew Davy
> Cc: Bill Nickless; David Farmer; 
> 
> Subject: Re: BCP question
> 
> 
> On Tue, 02 Sep 2003 22:25:12 -0500
>  "David Farmer" 
> <>
>  wrote:
> > On 2 Sep 2003 Matthew Davy wrote:
> > 
> > > So what about applications that are hard-coded to use 
> this address space ?
> > > (*After* we flog the developers for doing something this 
> bone-headed ;-)
> > 
> > I'd suggest making them answer RIAA complaints for a couple 
> months. ;-)
> > 
> > > Should we block the addresses and then poke holes for the 
> ones that need it
> > ?
> > 
> > Don't know, that would seem logical unless their is a big 
> number of wholes.
> > That 
> > would be the killer for this idea. 
> > 
> > It probably wouldn't be a good idea to do this on Abilene, any other
> > backbone, or 
> > even at GigaPOPs, but at a campus border I think it might be very
> > appropriate.
> > 
> > > Does anyone have a feel for how common this is ?   
> >  
> > I'll spin this back to to you MSDP mister, how much MSDP 
> state do we see for 
> > these blocks over the next few weeks.  
> 
> Here is the current status 
> 
> First Octet Histogram
>  
>  Octet 224 had    529 entries or  39.21 % 
>  Octet 225 had     24 entries or   1.78 % 
>  Octet 226 had      7 entries or   0.52 % 
>  Octet 227 had     19 entries or   1.41 % 
>  Octet 228 had     72 entries or   5.34 % 
>  Octet 229 had     30 entries or   2.22 % 
>  Octet 230 had      9 entries or   0.67 % 
>  Octet 231 had     11 entries or   0.82 % 
>  Octet 233 had    499 entries or  36.99 % 
>  Octet 234 had     23 entries or   1.70 % 
>  Octet 235 had     14 entries or   1.04 % 
>  Octet 236 had     81 entries or   6.00 % 
>  Octet 237 had     16 entries or   1.19 % 
>  Octet 238 had     15 entries or   1.11 % 
>  
> So the reserved space is being used, at the few % level.
> 
> Marshall
> 
> 
> Marshall
> 
> 
> 
> > 
> > There shouldn't be anyone doing SSM on these blocks should their?
> > 
> > Therefore, we should see MSDP state for any traffic, right?
> > 
> > Another way would be to look at Netflow, I think. 
> > 
> > > - Matt
> > 
> > =================================================
> > David Farmer                                Email:  
> > 
> > Office of Information Technology
> > University of Minnesota                     Phone:  612-626-0815
> > 2218 University Ave SE                      Cell:   612-812-9952
> > Minneapolis, MN 55414-3029          FAX:    612-624-4035
> > =================================================
> > 
> 
>