[141241] in North American Network Operators' Group
Re: Why don't ISPs peer with everyone?
daemon@ATHENA.MIT.EDU (=?UTF-8?B?SsOpcsO0bWUgTmljb2xsZQ==)
Mon Jun 6 20:08:26 2011
In-Reply-To: <BANLkTikipj2P0h4wfLZGnM27_3XGdybMFA@mail.gmail.com>
From: =?UTF-8?B?SsOpcsO0bWUgTmljb2xsZQ==?= <jerome@ceriz.fr>
Date: Tue, 7 Jun 2011 02:08:01 +0200
To: Jimmy Hess <mysidia@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
2011/6/7 Jimmy Hess <mysidia@gmail.com>:
> (a) Costs of peering; =C2=A0both in terms of administrative overhead,
> ports, circuits, cabinet space,...
The cost of peering on an IXP is roughly the same as setup fees for a
new transit, and a BGP session to an IXP route server is not far from
what will a full view cost in RAM and CPU on your edges.
> (B) Loss of revenue due to peering. =C2=A0An extreme example is a very
> large ISP peering
> with a small ISP, to allow the small ISP to reach large ISP's customers.
> The large ISP loses revenue, if they provide the peering for free,
> since it would mean
> the small ISP is not paying for that transit.
Large ISPs do buy transit too. On a financial perspective, it can be
considered as "outsourcing the peering function", with a paid SLA for
this connectivity...
> And once a customer, never a peer.
Never peer with one of your peer's customer is one basic rule of
peering agreements between tier-2 and 1 networks.
It's a shame financial pragmatism makes the Internet less "meshy", and
thus more fragile...
--=20
J=C3=A9r=C3=B4me Nicolle
