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Right, but can you have overlapping blocks? The wikipedia page says nothing about that. It talks about combining smaller blocks to make bigger ones (which is th
by jganetsk 17y ago
Right, but can you have overlapping blocks? The wikipedia page says nothing about that. It talks about combining smaller blocks to make bigger ones (which is the interesting part). So, if I understand correctly, some routers will see Level3's 8...* advertisement and not Google's 8.8.8.*. They will route 8.8.8.8 to Level3, and that's OK, because Level3 is not going to just drop the packets on the floor. They will forward to Google.
So this is why I said, in my original post, that Level3 is the home of Google's DNS service. If routers are respecting Google's own advertisement, it has to somehow be done with the permission of Level3.