common method to count traffic volume on IX
niels=nanog at bakker.net
Thu Sep 19 11:36:48 UTC 2013
* nick at foobar.org (Nick Hilliard) [Thu 19 Sep 2013, 01:38 CEST]:
>On 18/09/2013 23:55, Niels Bakker wrote:
>>Ding ding ding! And that's why honest IXPs graph both, to show
>>that they have no packet loss on their inter-switch links.
>If in > out, it's not necessarily inter-switch packet loss. The
>difference between the two will also include packet loss for
>same-switch egress traffic on customer ports.
That's absolutely true, I was a bit too glib in the quoted mail.
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