Re: OMB: IPv6 by June 2008

["Steven M. Bellovin" <smb () cs columbia edu>]

In message <885D3ED1-2EE0-431B-A51A-8935E2A34081 () nominum com>, David Conrad wri
tes:
> Christian,
>
> On Jul 7, 2005, at 11:02 AM, Kuhtz, Christian wrote:
> > > > What's the problem with independent address space for every entity
> > > > (company, family, enterprise) which wants it?
> > > It doesn't scale.  Regardless of Moore's law, there are some
> > > fundamental physical limits that constrain technology.
> > Once you add that bit of reality to it, the scaling requirement goes
> > down substantially.  Wouldn't you agree?
>
> My feeling is that the question isn't how much memory, but rather how  
> much CPU and bandwidth is necessary to deal with routing thrash.   

That's right.  The issues are the complexity of the routing computation 
and the convergence time/stability of the routing computation as a 
whole.

                --Steven M. Bellovin, http://www.cs.columbia.edu/~smb