Peering is a voluntary interconnection of administratively separate Internet networks for the purpose of exchanging traffic between the customers of each network. The pure definition of peering is settlement-free or "sender keeps all," meaning that neither party pays the other for the exchanged traffic, instead, each derives revenue from its own customers. Marketing and commercial pressures have led to the word peering routinely being used when there is some settlement involved, even though that is not the accurate technical use of the word. The phrase "settlement-free peering" is sometimes used to reflect this reality and unambiguously describe the pure cost-free peering situation.

Peering requires physical interconnection of the networks, an exchange of routing information through the Border Gateway Protocol (BGP) routing protocol and is often accompanied by peering agreements of varying formality, from "handshake" to thick contracts.

From Wikipedia under the GNU Free Documentation License
Wed Jul 29 21:17:29 2009

Interxion, Partners with Internet Exchange
adehost.com
Interxion, Partners with Internet Exchange

admin

2009-02-21 05:42:09

The accord will permit Interxion s Madrid buyers to reduce latency and transit costs by . peering. without delay with Espanix, whilst Espanix members will be ready to expand their applications infrastructure in the safety of Interxion s . ...

Equinix Exchange Peering Live!
steadfast.net
Equinix Exchange Peering Live!

Karl Zimmerman

2009-01-13 00:51:09

We are already . peered. through the Chicago Internet Exchange, but we feel the Equinix Exchange will give us access to a larger number of networks, thus improving our overall network connectivity. Right now, the Equinix Exchange in . ...

Turbulence Ahead: Peering Into The Present
turbulenceahead.com
Turbulence Ahead: Peering Into The Present

Gerard O'Neill

2008-12-29 14:58:00

Peering. Into The Present. This time last year I joined the usual throng of soothsayers with my prognostication​s for the year ahead. How did I do? On balance I was overly optimistic, even though I anticipated most of the causes of the . ...

From Google Blog Search: "Peering"
Sat Feb 21 00:52:17 2009

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