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GRNET: Greek Research & Technology Network

GRNET is the Greek Research & Technology Network, interconnecting 55 institutions and providing services such as real-time services, IPv6 support, MPLS, optical connectivity, directory services, and managed bandwidth service.

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GRNET: Greek Research & Technology Network

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  1. GRNETGreek Research & Technology Networkhttp://www.grnet.gr/index_en.html Tryfon K. Chiotis tchiotis@grnet.gr Dimitrios K. Kalogeras dkalo@ntua.gr Yiannis Skopoulis scopouli@uoi.gr GRNET

  2. GRNET • NRN: Greek Research Network General Secretariat of Research & Technology (Ministry of Development) • Interconnects: 55 Institutions (Universities, Research Centers, Technological Institutions) with150.000 Internet users • Operates Athens Internet Exchange - AIX GRNET

  3. International Collaboration • TEN-155 (QUANTUM), GEANTAthens PoP 155 Mbps • Q-MED Quality R&E Network Technology, Cyprus - Israel • MEDNET Regional R&E - 12 Mediterranean Countries • Internet2 International Member GRNET

  4. National Initiatives • Real time services • IPv6 support • MPLS • Optical connectivity • Directory service – LDAP scheme • Managed Bandwidth Service • Monitoring tools (http://netmon.grnet.gr) GRNET

  5. TF-TANT Synergy • MPLS testbed • Diffserv Service definition proposal for transantlantik links • Multicast • Flow monitoring (http://nfa.grnet.gr/graphs/overview) GRNET

  6. Balkan Regional Network GRNET

  7. Service Oriented • Multicast (Native, PIM-SM anycast RP) • 1 Line TV station and 4 Live radios • Infrastructure for digital content distribution (e.g. Digital Libraries) • Videoconferencing, H.323, MCUs – Distance Learning – Gigaconference - participant • VoD (Media base, etc) • IPv6 tunneled backbone (pTLA, sTLA assigned) 7 intl. Peering (NTT, 3Com, Sprint, BT, Switch, etc), Online automatic pTLA connectivity diagram) • Academic Directory service GRNET

  8. Upcoming services • Large scale conference • Directories for access to GRNET2 • PKI • High school integration • GRID platform (e.g. Interconnection of High Energy Physics PC farms) • More IPv6 services (dns, www, etc) GRNET

  9. GRNET2 • Extensive market and NRN deployment research • Design principles definition • Native IP Qos support • Native MPLS (VPN, TE, GB –TE) • Native IPv6 support • Optical DWDM upgrade (GigE MAN, Partial Mesh WAN) • N x 2.5 Gbps speeds • Gigapop in three cities • DWDM international connections GRNET

  10. WAN layout GRNET

  11. Gigapop general overview GRNET

  12. Conventional Pop GRNET

  13. Distributed Gigapop (MAN) GRNET

  14. GRNET2 specs. • λ dimensioning (protection, multiple framing) • Metro DWDM • Optical VPNs • MPλS • No framing - No regeneration • No protection (MPLS & OSPF) • Long haul DWDM • SDH framing & regeneration • No protection (MPLS & OSPF) GRNET

  15. Internet2 collaboration • Videoconference • H.323, Megaconference • Middleware • DEN -> access Gigabit Infrastructure • PKI for High Schools and Universities • Engineering • QoS service definition, Multicast, IPv6 • Advanced Application • Digital Libraries, Voice over IP, Dig. Video • Health science knowledge diffusion • Grid GRNET

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