filtering long prefixes
bmanning at ISI.EDU
bmanning at ISI.EDU
Sun Sep 24 18:43:32 UTC 1995
>
> Are you suggesting some sort of exchange point or NAP specifically to
> break out longer prefixes from shorter prefixes that cannot be
> topologically aggregated? Would something like this enable people
> to maintain provider independent addressing (i.e. no renumbering) by
> merely paying a fee to an exchange point that is well connected and
> settling for less optimal routing?
>
> If this will work in practice, it seems like the perfect tradeoff. On the
> one hand you must renumber when changing providers but you get optimal
> routing. On the other hand, you avoid renumbering but you pay a few bucks
> and have less than optimal routing.
>
> Am I missing anything here?
>
Perhaps a couple of things:
- Common transit agreements for all particpants
- Single point of attachment, ie you must renumber
if you home to another provider or exchange.
--
--bill
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