GÉANT2

GÉANT2
GÉANT · Public domain · source
Name	GÉANT2
Type	research and education network
Founded	2004
Predecessor	GÉANT
Successor	GÉANT
Area served	Europe, associated global partners
Products	high‑capacity backbone, connectivity, services

GÉANT2 was a high‑capacity pan‑European research and education backbone deployed in the mid‑2000s to interconnect national research and education networks across Europe. It provided advanced network infrastructure to support large‑scale projects in fields such as High Energy Physics, Astronomy, Genomics, Climate science, and Grids computing. The initiative served as a keystone linking national networks, regional projects, and international collaborations including partners in North America, Asia, and Africa.

Background and Objectives

GÉANT2 emerged from cooperation among continental research partners including TERENA, DANTE, European Commission, CERN, and numerous national research and education networks such as SURFnet, JANET (UK), BELNET, and Deutsches Forschungsnetz (DFN). Its objectives were to deliver multi‑gigabit capacity for projects like Large Hadron Collider, Square Kilometre Array, Human Genome Project, European Space Agency missions, and to enable federated services used by initiatives such as EGEE and NORDUnet. The project sought to foster interoperability with transatlantic links to Internet2, ESnet, and collaborations with GEANT (network), while supporting standards from bodies like IETF, ITU, and ETSI.

Network Architecture and Technology

GÉANT2 deployed a dense wavelength division multiplexing backbone built from hardware vendors and operators including Cisco Systems, Juniper Networks, Alcatel-Lucent, and Ciena. It used optical technologies such as DWDM, MPLS, GMPLS, and experimental IPv6 and lambda‑based services to support data flows for CERN experiments and astronomy arrays like LOFAR. Core nodes were located in exchange points and hubs including London Internet Exchange, Amsterdam Internet Exchange, Frankfurt am Main, Paris, and interconnects to submarine cable landings tied to Gulf of Mexico and Mediterranean Sea routes. The design incorporated resilience via redundant fiber rings and traffic engineering influenced by work at RENATER and SURFnet3, and enabled peering with research networks like CANARIE and AARNet.

Services and Applications

Services provided included dedicated lambda circuits, IP transit, multicast for applications used by EuroHPC, grid middleware connectivity for EGEE and PRACE, and videoconferencing suites used by European Space Agency and European Commission directorates. It supported data transfer tools leveraged by groups at CERN, EMBL, European Southern Observatory, Max Planck Society, and Helmholtz Association for large datasets from instruments such as the Large Hadron Collider, ALMA, and Hubble Space Telescope archive partners. Authentication and authorization federations integrated with systems from eduGAIN, Shibboleth, GLUE schema and identity providers used by universities like University of Oxford, Sorbonne University, Technical University of Munich, and University of Bologna.

Participating Organizations and Coverage

Participating parties comprised national research and education networks including JANET (UK), SURFnet, RedIRIS, CESNET, SUNET, RIPE NCC, GARR, FUNET, NORDUnet, BELNET, DFN, and regional bodies such as TERENA and DANTE. Coverage extended across countries like United Kingdom, Netherlands, Germany, France, Italy, Spain, Sweden, Czech Republic, Poland, Portugal, Greece, and beyond into associations with Russia, Turkey, Israel, and partner links to United States, Canada, Japan, and South Africa. Major research institutions served included CERN, EMBL, ESA, ESO, Max Planck Society, INRIA, CNRS, CSIC, and numerous universities across continental Europe.

Project Timeline and Funding

GÉANT2 operated primarily between 2004 and the late 2000s as part of successive European Commission‑backed actions under Framework Programmes such as FP6 and FP7. Funding instruments involved grants and consortium contributions coordinated with European Commission Directorate-General for Research and Innovation, participating national ministries, and co-funding by organizations including TERENA and DANTE. The project evolved from earlier efforts like the original GÉANT initiative and fed into subsequent infrastructure programs managed by GN4, GÉANT (project) successor projects, and collaborations with Internet2 and ESnet for transatlantic research links.

Impact and Legacy

GÉANT2 accelerated capacity and service models that underpinned later European cyberinfrastructure, influencing developments at GÉANT (network), PRACE, EuroHPC JU, and national networks like DFN and SURF. Its technological and operational practices informed standards work at IETF and helped enable major scientific achievements at CERN and in astronomy consortia. The legacy includes sustained high‑capacity peering between European research institutions and long‑term collaborations with Internet2, CANARIE, and AARNet, contributing to the global research and education networking ecosystem and supporting projects such as SKA and Human Brain Project.

Category:Research and education networks Category:European Union projects