This is prevented to the extent possible through configuration, and attempted violations are actively tracked. Any abusive behavior will result in a full investigation. Second, go through the membership requirements and application procedures . Third, provision a circuit to reach pitx , purchase, configure, and install the equipment, set up your peering, and you're done. Specific technical documentation is available on this site .
Pricing is essentially on a cost-recovery basis for the exchange host.
The costs are based on interconnection speeds, and reflect the infrastructure value, the ongoing maintenance costs, and the necessary upgrades as pitx traffic increases. Specific pricing documentation is available on this site . Membership requirements and application procedures are available on this site . Unfortunately, some of these exchange points are severely overburdened, and performance problems are not at all uncommon. Local exchange points exist in many areas of the world, although not all are actively maintained.