[Irtf-rr] IP Address Distribution
Wu Min
wumin_noname@hotmail.com
Fri Dec 6 16:50:32 EST 2002
Hi Jaideep,
>Hi,
> I'm not really sure what you are asking for.
> Are you looking for geographic allocation of IP blocks ?
Yes, precisely and....
> Or are you interested in finding the address space owned by each AS
> in the Internet.
I need synthetic one.
> The former is documented in the IANA -- to some extent.
>
> For the latter -- it isn't too difficult to find out from the
> route-views BGP table.
> Of course, this data is going to be slightly off because of CIDR
> aggregation -- but I've looked at this in the past -- and the
> aggregation effect is minimal, and should not matter if you want to
> generate synthetic distributions.
I have no problem with CIDR aggregation. In fact, I only need to use the
addresses to know where to direct specific traffic and all the nitty-gritty
details are not required since I do not wish to include end hosts, but just
the network core.
> From what I saw a while ago -- there is very little correlation
> between AS degree and IP address space.
You reckon IP address space can be distributed randomly?
>regards,
>
>
>
>-jaideep
>
>
>On Thu, Dec 05, 2002 at 07:40:43PM +0000, Wu Min wrote:
> > Hi,
> >
> > Modelling the Internet topology has been very well investigated. How
>about
> > the topology of IP address block distribution in the Internet? Does the
> > distribution follow the power laws as well?
> >
> > I am looking for such generator. Is there any?
> >
> > The following is what I intend to do. I need several massive, if
>possible,
> > network topologies with IP address block distributions that have close
> > characteristic of the real Internet. The reason for the visibility of
>the IP
> > addresses is that I am trying to analyze the traffic forwarding and
>traffic
> > distribution pattern at every router.
> >
> > Thank you in advance.
> >
> > -Wumin
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