[73943] in North American Network Operators' Group
ISP Policies
daemon@ATHENA.MIT.EDU (Tulip Rasputin)
Thu Sep 9 00:33:56 2004
From: "Tulip Rasputin" <tulip_rasputin@yahoo.ca>
To: <nanog@merit.edu>
Date: Thu, 9 Sep 2004 09:58:52 +0530
Errors-To: owner-nanog-outgoing@merit.edu
Hi,
I have a general policy question.
Do the ISPs ever look for some particular AS number in the BGP AS_PATH and
then decide what action/preference/priority they need to take/give based on
the AS number(s) present in the BGP AS_PATH_SEQ/SET? For instance, does it
happen that an ISP receives some BGP paths, but because of some political,
social, economical, DOS attack, etc. reasons decides that it doesn't want to
accept this path because some particular AS number is present in the BGP
UPDATE.
Basically, it doesn't want *its* traffic to flow via that particular AS
number(s).
Or, if there is a mutual disagreement between two ISPs, and one doesn't want
his traffic to traverse the other's AS number.
Does this sort of thing ever happen? Are such restrictive policies normal in
the ISP/IX scenarios?
Thanks,
Tulip
