[e2e] Address Space Distribution

Roop Mukherjee bmukherj at shoshin.uwaterloo.ca
Fri Dec 6 10:55:03 PST 2002

At some point in time I too looked for something similar, and did not come 
up with satisfactory answers. Opnet has a way of assigning IP addresses to 
interfaces in a large network that seem to work (i.e. their routing 
protocols like OSPF, BGP etc. seem to function fine). What I don't know is 
	- what algorithm do they use to allocate the IP addresses?
	- if this is the best way to allocate IP addresses?
>From what I could tell, the router dumps in Opnet suggest that, some 
global entity does address allocation before the simulations start. This 
points to an interesting question: is there a way for IP nodes to 
assign their interfaces IP addresses (not just over the local link, but) 
over a multihop network?

By the way in case someone didn't know, Opnet is a network simulator 

-- Roop

On Fri, 6 Dec 2002, Wu Min wrote:

> Hi,
> Modelling Internet topology has been very well investigated. How about the 
> IP address space 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 large networks with IP 
> address space distributed in a way closely characterize 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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