[113617] in North American Network Operators' Group
Re: IXP
daemon@ATHENA.MIT.EDU (kris foster)
Fri Apr 17 15:05:33 2009
From: kris foster <kris.foster@gmail.com>
To: Arnold Nipper <arnold@nipper.de>
In-Reply-To: <49E8D1E5.1070004@nipper.de>
Date: Fri, 17 Apr 2009 12:04:24 -0700
Cc: Paul Vixie <vixie@isc.org>, nanog@merit.edu
Errors-To: nanog-bounces@nanog.org
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
