Re: A proposal for reducing routes due to multihoming

[algold () lambda lncc br (Alexandre Leib Grojsgold)]

> Bill Simpson claims that this idea is ~10 years old, but if so perhaps
> it's time to air it again. I thought of this during the route flap BOF at
> NANOG, mentioned it, and nobody came up with any immediate reasons why
> it wouldn't work, so I'm sending it to the list for further consideration.
>
> It's dead simple, really: Assign address blocks to pairs of providers.
> Both providers announce those blocks all the time, and assign addresses
> out of those blocks to customers who multihome between those two
> providers.


What if the customer ceases to be multihomed? Reassign it to another block?

On the other hand, if a client starts operating as single homed, it will
have to change Ip addresses when getting multihomed.

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