interconnection costs

Joly MacFie joly at
Wed Dec 23 03:03:02 UTC 2015

​If you haven't already, you should read this



On Tue, Dec 22, 2015 at 11:44 AM, Reza Motamedi <motamedi at>

> We are a group of researchers and our focus is on the economy of
> interconnection in the Internet. My question is mainly about the various
> costs of an AS establishing a connection with another AS, including the
> costs charged by the colocation providers. I am familiar with most of the
> connection options such as public peering on IXP, and private peering
> through xconnects. My understanding is that in addition to the cost of
> transit that the smaller AS pays to the larger AS, in the former you pay a
> monthly fee to establish a link to the switching fabric and then you can
> connect to as many ASes that are member in the IXP, and in the later you
> need to pay for as many xconnects that you need to connect to as many ASes
> that you plan to peer with. Obviously in both cases there is the cost of
> being in the colocation and renting a rack or whatever. What are the other
> costs involved? How should the AS reach the colocation center in the first
> place? I don't think every network can dig a hole an lay cables. Who should
> they pay to get from one PoP to another? Do ASes have to pay for xconnect
> to connect their PoP in a data center to the rest of their network?
> I think there is no single answer as different businesses may have
> different pricing models. I hope the discussion can help me understand the
> whole ecosystem a little bit better.
> Best Regards
> Reza Motamedi (R.M)
> Graduate Research Fellow
> Oregon Network Research Group
> Computer and Information Science
> University of Oregon

Joly MacFie  218 565 9365 Skype:punkcast

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