In addition to fundamental IP interconnection with public peering VLAN (1), TOP-IX, since the beginning, has allowed private agreements to allow IP Transit (2) with dedicated public peering VLANs set up on two member ports (member that is selling and other that is buying).

TOP-IX Marketplace Scheme

Over time, the interconnection market has evolved and new services have arise

  • Direct and fast Ethernet interconnections (point to point, point to multipoint, VPLS) to create point to pint or point to multipoint links, with national and global footprint;
  • Direct and fast interconnection to big Clouds (AWS, Azure, Softlayer, etc.) to improve performances compared to Internet connections and increase security from DDoS attacks.
  • Remote peering to other IXPs (in italy and abroad);
  • DDoS protections services.

Being a Consortium, services are offered within TOP-IX membership.

TOP-IX infrastructure allows, through private VLAN, the link between those who offer and those who buy the service, acting as a mere technology intermediary. As in IP Transit, in fact, the contract is between the consortium members, without any intervention by the operating structure, except for the configuration of the appropriate VLAN and ports. Members are free to choose whether to sell / buy the services of a single port (suitably dimensioned) or on different ports.


List of services available on the TOP-IX Marketplace (to be added as a service provider, please write to


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Services offered by TOP-IX members on Marketplace are also available on ServiceDB.


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(1) Peering is a voluntary interconnection of administratively separate Internet networks (ASNs) for the purpose of exchanging traffic between the users of each network. The pure definition of peering is settlement-free, “bill-and-keep,” or “sender keeps all,” meaning that neither party pays the other in association with the exchange of traffic; instead, each derives and retains revenue from its own customers;
(2) Internet transit is the service of allowing network traffic to cross or “transit” another network, usually used to connect a smaller Internet service provider (ISP) to the larger Internet. Technically, it consists of two bundled services:
  •  The advertisement of customer routes to other ISPs, thereby soliciting inbound traffic toward the customer from them;
  • The advertisement of other ISPs’ routes (usually but not necessarily in the form of a default route or a full set of routes to all of the destinations on the Internet) to the ISP’s customer, thereby soliciting outbound traffic from the customer towards these networks.