> "We observe that a Route can be Matched or Covered by more than one
>  ROA.  This procedure does not mandate an order in which ROAs must be
>  visited; however, the "validation state" output is fully determined."
>
> Is there guidance on this in one of the other documents? If so, please
> reference it here. Does longest-match still apply? This seems a fairly
> big question to simply leave open to implementation.

you want the inclusive or, if any one matches it's Valid.  otherwise,
you can not do a make-before-break provider switch, for example.

as to the matching rules, i have extracted a few slides from a recent
hands-on workshop, see <http://archive.psg.com/120314.roa-match.pdf>.

randy
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