On Fri, Aug 03, 2007 at 08:10:53PM +0300, Christian Vogt wrote: > Pekka Savola wrote: > > Maybe we don't need a solution at the edges, just more default routing > > This actually seems to be a very attractive idea. > > Packets destined to IDs, for which no entry exists in the global routing > table, would by definition be forwarded along a default route until they > get to a provider that performs the ID-to-locator mapping for the > destination edge network. This is one of the ideas that both Darrel Lewis and Vince Fuller have suggested in the past. > One disadvantage, though, would be that loops may become difficult to > prevent unless ALL providers (as of a certain tier) that advertise a > default route perform the mapping for ALL edge networks using ID space. > > One would also have to think about changes in the Internet business > model. As explained in my previous email, a transition towards mapped > IDs would require an edge network to subscribe to the remote-mapping > service of as many as possible providers -- in addition to the standard > subscriptions with the directly connected providers. I agree that we need to think (quite a bit) more about the/which business models that underly all of this. Dave
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