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? Arnold -- Arnold Nipper / nIPper consulting, Sandhausen, Germany email: arn...@nipper.de phone: +49 6224 9259 299 mobile: +49 172 2650958 fax: +49 6224 9259 333
signature.asc
Description: OpenPGP digital signature
