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A New Type of Network Dai Davies DANTE

IST Research Networking Test-beds Event 26 – 27 May 2005 Brussels. A New Type of Network Dai Davies DANTE. GÉANT Topology October 2004. NORDUnet. JANET. SURFnet. PSNC. DFN. GARR. EVN Traffic Flows over GÉANT. SE. UK. JIVE. PL. CZ. BE. NL. DE2. DE1. FR. CH. AT. 2.5G 10G.

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A New Type of Network Dai Davies DANTE

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  1. IST Research Networking Test-beds Event 26 – 27 May 2005 Brussels A New Type of Network Dai Davies DANTE

  2. GÉANT TopologyOctober 2004

  3. NORDUnet JANET SURFnet PSNC DFN GARR EVN Traffic Flows over GÉANT SE UK JIVE PL CZ BE NL DE2 DE1 FR CH AT 2.5G 10G 256M 512M ? 1G  IT

  4. Relative Cost of Switch Interfaces and Router Interfaces 300,000 250,000 200,000 List Price in €'s Switch Interface Costs 150,000 Router Interface costs 100,000 50,000 0 155 622 2,500 10,000 Speed of Interface Mbps

  5. Hybrid Networks • Cost effective • Fits emerging traffic flows BUT • Control issue a challenge • Performance Issue a challenge

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