[lir-wg] Discussion about RIPE-261

On Mon, May 26, 2003 at 03:29:10PM +0100, Carlos Morgado wrote:
> > > Why do we try to fix an engineering problem (scaling global routing
> > > mesh (BGP)) with unworkable IP address distribution policies???
> > 
> > Because nobody came up with a fix to the BGP scalability issues yet...?
> 
> isn't "memory is cheap" the mantra nowadays ? 

RAM is only a problem for some vendor's gear. The main problem is
route convergence. BGP is designed with two assumptions in mind:

- many routes
- fairly stable topology

The more routes, the higher the convergence times... and this is does
not scale linear.

> Ah. Yes, do tell 500000 customer and 4 diferent billing/provisioning system 
> type ISPs to renumber if they change upstream provider. That will make you
> popular :)

:-)


Regards,
Daniel