Re: redistribution

[Randy Bush <randy () psg com>]

> > > you want to redistribute the bgp routes learned at the exchange point
> > > into your dynamic igp so,
> > Even in a small country (perhaps a poor country), with old equipment, etc.
> > is this nowadays ever better than carrying it in iBGP?
>
>       external ----- expensive ------ agggregation ------- exchange
>       transit          link             router              point
>         |                                 |
>         |                                 |
>       some                              cust2
>       custs
>
> if you don't, then traffic from cust2 to customers of exchange peers will
> trombone across the expensive link.

and back again, and back again, and ...