Re: IXP

[kris foster <kris.foster () gmail com>]

On Apr 17, 2009, at 12:00 PM, Arnold Nipper wrote:

> On 17.04.2009 20:52 Paul Vixie wrote
>
> > with the advent of vlan tags, the whole idea of CSMA for IXP  
> > networks is passe.
> > just put each pair of peers into their own private tagged vlan and  
> > let one of
> > them allocate a V4 /30 and a V6 /64 for it.  as a bonus, this  
> > prevents third
> > party BGP (which nobody really liked which sometimes got turned on  
> > by mistake)
> > and prevents transit dumping and/or "pointing default at" someone.   
> > the IXP no
> > longer needs any address space, they're just a VPN provider.   
> > shared-switch
> > connections are just virtual crossconnects.
>
> Large IXP have >300 customers. You would need up to 45k vlan tags,
> wouldn't you?

QinQ could solve this

Kris