On 4/16/14, 7:14 PM, "Jerome Durand (jerduran)" <[email protected]> wrote:

>It is, thanks. I propose to slightly change the end of the first bullet
>then:
>
>   o  You SHOULD accept from customers only AS(4)-Paths containing ASNs
>      belonging to (or authorized to transit through) the customer.  If
>      you can not build and generate filtering expressions to implement
>      this, consider accepting only path lengths relevant to the type of
>      customer you have (as in, if they are a leaf or have customers of
>      their own), try to discourage excessive prepending in such paths.
>      *This loose policy could be combined with filters for specific
>      AS(4)-Paths that must not be accepted if advertised by the
>      customer.*

I suggest a slight addition- “This loose policy could be combined with
filters for specific AS(4)-Paths that must not be accepted if advertised
by the customer, such as upstream transit provider or peer ASNs.”

I think the examples make it clearer what we mean.

Wes


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