On Fri, Apr 4, 2014 at 11:17 AM, Sharon Goldberg <gol...@cs.bu.edu> wrote>
>
>
> Actually, since this is NANOG, might as well ask:
>
> Do you all view filtering your downstream's downstreams as much more
> difficult than filtering only downstreams, or only stub ASes?   Do you have
> a sense for how many networks filter only their direct downstreams but no
> further, versus those that also filter downstreams downstreams?
>

I set up a quick anonymous survey (2 questions) to gather some info on
this.
If you have a minute, go here:

https://docs.google.com/forms/d/1x6Bbe7OYvuWeOzO8xpxbIZzW3N14wI1SVVbQer4FSa4/viewform

We will share our anonymized results on NANOG.

Thanks,
Sharon

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