Peering is the organization of traffic exchange between Internet Service Providers (ISPs). Larger ISPs with their own backbone networks agree to allow traffic from other large ISPs in exchange for traffic on their backbones. They also exchange traffic with smaller ISPs so they can reach regional arrival points. For the most part, a number of network owners assemble the internet in this way. To this end, network owners and access providers, ISPs, draw up agreements outlining the conditions to which they are both subject. Bilateral peering is an agreement between two parties. The Multilateral Commission is an agreement between more than two parties. This method is a necessity for related companies, Internet Service Providers (ISPs), Content Delivery Networks (CDNs) and backbone service providers. The formation of peering agreements with other networks and the prevention of third-party participation allows companies: in some situations, it is known that obsolete networks try to stop peering by deliberately interrupting the connectivity between the two networks when the peer is removed, either by an intentional act or by an act of omission. The goal is to force the Depeering network to have so many customer complaints that they are ready to re-establish peering. Examples include the imposition of traffic by a path that does not have sufficient capacity to cope with the load, or the deliberate blocking of alternative routes to or from the other network.

Some notable examples of these situations are: Private peering takes place in a colocation system where two entities with separate networks place routers and drive a direct cable between them instead of using a replacement point switch. This method is useful when networks need to exchange a large amount of traffic that cannot match a shared connection to an exchange point. Depending on the expected traffic, peering connections can be set up as private network connections (PNIs) or via public internet exchange points (IXPs). Peering guidelines are often used to achieve consistency in the assessment of interconnection requests and are generally an attempt to set reasonable, transparent and secure limits, thus avoiding future differences of opinion in the event of traffic changes or other factors. PeeringDB is a resource in which many network managers disclose their policies and peering sites in order to make them easily accessible to other network managers around the world. Internet interconnection is not regulated in the same way as the interconnection of public telephone networks. Nevertheless, the interconnection of the Internet in the United States has been the subject of several areas of federal policy. Perhaps the most dramatic example of this is the attempted merger between MCI Worldcom and Sprint. In this case, the Ministry of Justice blocked the merger due to the impact of the merger on the internet backbone market (which forced MCI to divest itself of its „InternetMCI“ business to obtain authorization). [23] In 2001, the Federal Communications Commission`s advisory committee, the Network Reliability and Interoperability Council, recommended that Internet backbons publish their peering policies, which they had previously hesitated. The FCC has also considered competition in the bakery market in its Section 706 proceedings, which verify that advanced telecommunications are made available to all Americans in an appropriate and timely manner.

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