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Future Directions in Research Networking - A Perspective from Europe Dai Davies : General Manager : DANTE Ltd dai.davies@dante.org.uk www.dante.net 16th APAN Meeting Advanced Network Conference Busan Korea August 2003
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The Ages of European Research Networking The Pioneering Age (1980 - 1988) The Rationing Age (1988 - 1996) The Co-operation Age (1996 - 2001) The Age of the GÉANT (2001 - )
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Technology Available 1991-2002 PeriodMost performant Data Link Technology Available Technology Available in pan-European Network Technology Available in United States Network 1991 - 199534/45 Mbps PDH2 Mbps PDH45 Mbps PDH 1996 - 1997155 Mbps SDH45 Mbps PDH155 Mbps SDH 1997 - 2000622 Mbps SDH155 Mbps SDH622 Mbps SDH 2000 +10 Gbps DWDM 2.5 Gbps DWDM
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Price Trends pan-European Connectivity 1 10 100 1000 10000 100000 1000000 199619971998-91999-20002000-012002 average offer price lowest offer price
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GÉANT Topology June 2003
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Huge Increase in Network Capacity –TEN-155 3 Gbps –GÉANT 150 Gbps 9 10 Gbps Accesses 20 Gbps Global Interconnection Regional Initiatives – Mediterranean – Latin America GÉANT
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Divergence of Costs New Usage patterns Hardware Costs Global Developments GÉANT Issues
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0 5 10 15 20 25 30 35 40 45 Range of Shared CostsRange of ConnectivitySmoothing of Shared Costs 1996 1999 2002 Divergence of Costs
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Support for European VLBI Radio Telescope Correlator Data Flows (RT or non-RT)
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EVN Traffic Flows over GÉANT UK SE FR NL BE DE1 DE2 CZ PL CH IT AT SURFnetJANETGARRPSNCDFN NORDUnet 2.5G 10G 256M 512M? 1G JIVE
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10 Gbps Router Interface Transmission Costs Switched and Routed Architecture 40 Gbps Interface Hardware Costs
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Europe - Where Next...….?
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40 Gbps Technology Cost Multiple 2.5 Gbps or 10 Gbps wavelengths Interfacing Costs – Routers – Switches Is Speed Everything?
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Enhanced Network Security Role of DIY Transmission New Architecture Resource Allocation Move from Connectivity to Controlability Technical Challenges
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Increasing Divergence of Costs Transmission is Distance Dependent Cost New Usage Patterns Cost Challenges
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DWDM Cost Data
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Today Ad-Hoc Organisation Question of Who Pays Inter-Regional Organisation Global Demand? Global Co-operation
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We are Deploying the Most Advanced Technology Can we Control it? Will we be able to Continue to Afford it? Summary
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