Hi, On Wed, May 28, 2003 at 10:45:44AM +0100, Carlos Morgado wrote:
On Tue, May 27, 2003 at 09:07:05PM +0200, Gert Doering wrote:
The *benefit* of "/48 multihoming" is that you can filter those routes if you don't want to see them - then your routers will send packets down the /32 road, and eventually hit a router that knows about the /48
This is exactly why providers will have an hard time selling this to customers. 'It may work, it might not, depends, you have no control and neither do we'.
One of us us confused about this, and it's not me. A /48 from an aggregate is MUCH MORE reliable than a /48 that has no fallback aggregate. If the latter is filtered (or flap-dampened, or "lost" due to bad as-path filters, or however), you're dead. If the former is lost, you can always send packets in the direction of the aggregate, and at a certain proximity, the /48 will be visible again and be used for proper packet delivery. Besides this, I hope you're not selling *any* service related to Internet connectivity to your customers with the claim that you have any control about things more than two AS hops away from your network...? Because you haven't. Gert Doering -- NetMaster -- Total number of prefixes smaller than registry allocations: 54837 (54495) SpaceNet AG Mail: netmaster@Space.Net Joseph-Dollinger-Bogen 14 Tel : +49-89-32356-0 80807 Muenchen Fax : +49-89-32356-299