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

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Presentation transcript:

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

GÉANT Topology October 2004

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

Relative Cost of Switch Interfaces and Router Interfaces 0 50, , , , , , ,50010,000 Speed of Interface Mbps List Price in €'s Switch Interface Costs Router Interface costs

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