nanog mailing list archives

Re: DNS pulling BGP routes?


From: Baldur Norddahl <baldur.norddahl () gmail com>
Date: Sun, 17 Oct 2021 20:22:37 +0200

søn. 17. okt. 2021 11.16 skrev Masataka Ohta <
mohta () necom830 hpcl titech ac jp>:

Jay Hennigan wrote:

Access/retail ISPs have no problem by peering with neutral
backbone providers.

Neutral backbone providers don't peer with access/retail ISPs. They
sell transit to them.

FYI, that is called paid peering.


Paid peering is not the same product as IP Transit. In general a packet
never traverse two peering links because that would mean the middle man is
not getting paid to move the traffic. Paid peering with a backbone provider
will get you routes from their paying customers but not from their peers.
The same as you would have from a settlement free peering.



CDN provided backbone only reduces costs of other backbone
providers without reducing costs of access/retail ISPs.

Access/retail ISPs that peer with CDNs eliminate the cost of paying
for transit for the content delivered by the CDN. That's what the
initials CDN stand for.

But, it does not mean both parties of the peer are equally
benefited. As such peering may be paid one, though it
may not be the current practice.

Given the observed profitability of CDN providers, CDN
providers are, seemingly, more benefited (because they
are not neutral), in which case, CDN providers should
pay to access/retail ISPs.

                                        Masataka Ohta


I do not want Netflix to pay me. I get paid by my customers, some of which
also happens to be Netflix customers. If Netflix had to pay me, they would
need to get that money from the same people who are already paying me
directly. What is the point of that?

Let me tell you the point. Large ISP can exploit their domination of the
marked to double dip, which means they want to be paid twice. That happens
to be not neutral and is a way to make the customer pay a hidden fee.

For smaller ISPs it works the other way around. An evil CDN could attempt
to charge us, the small ISP. I am happy that is not happening.

Regards

Baldur

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