1 / 15

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.

amayfield
Download Presentation

GRNET: Greek Research & Technology Network

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related