October 2000GRNET GRNET Greek Research & Technology Network Tryfon K. Chiotis Dimitrios K. Kalogeras.

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Presentation transcript:

October 2000GRNET GRNET Greek Research & Technology Network Tryfon K. Chiotis Dimitrios K. Kalogeras Yiannis Skopoulis

October 2000GRNET NRN: Greek Research Network General Secretariat of Research & Technology (Ministry of Development) Interconnects: 55 Institutions (Universities, Research Centers, Technological Institutions) with Internet users Operates Athens Internet Exchange - AIX

October 2000GRNET International Collaboration TEN-155 (QUANTUM), GEANT Athens PoP 155 Mbps Q-MED Quality R&E Network Technology, Cyprus - Israel MEDNET Regional R&E - 12 Mediterranean Countries Internet2 International Member

October 2000GRNET National Initiatives Real time services IPv6 support MPLS Optical connectivity Directory service – LDAP scheme Managed Bandwidth Service Monitoring tools ( )Monitoring tools

October 2000GRNET TF-TANT Synergy MPLS testbed Diffserv Service definition proposal for transantlantik links Multicast Flow monitoring (

October 2000GRNET Balkan Regional Network

October 2000GRNET 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

October 2000GRNET 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)

October 2000GRNET 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

October 2000GRNET WAN layout

October 2000GRNET Gigapop general overview

October 2000GRNET Conventional Pop

October 2000GRNET Distributed Gigapop (MAN)

October 2000GRNET 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)

October 2000GRNET 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