MD-VPN service description
The GÉANT MD-VPN service is delivered by seamless transport infrastructure that is able to transport L3VPN (IPv4/IPv6), point-to-point L2VPN and in a near future (GN4) multipoint L2VPN over several network providers (domains). The most important interest of MD-VPN is that now providing any kind of VPN over European educational and scientist sites are now easy and fast. We expect that MD-VPN service will be a useful tool to foster the European educational and scientist collaboration.
The service is delivered jointly by NRENs and the pan-European network GÉANT and NORDUnet; This infrastructure can be joint by regional, metropolitan or campus network, campus and the MD-VPN service is in this way extended over these regional, metropolitan or campus networks.
The service is delivered to end-users over a point called Service Demarcation Point (SDP) at the edge of the NRENs or Regional Networks. In practice, the way the service is delivered to the end-users depends on NRENs but a widespread practice is: