TERENA Networking Conference 2000 Lisbon, 22-25 May

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TERENA Networking Conference 2000Lisbon, 22-25
May
broadband_connection_at_home for students and
employees
Tom Koppen director computing center
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And now something totally different

• Different accent
• Not a technical expert
• Case study on home connection for students

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University of Twente
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University of Twente
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University of Twente

• 2000 students living on campus
• 4000 students living in town
• 2500 staff living in town

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University of Twente

• technical and social studies
• telematics, chip technology, process
  engineering, biomedical engineering educational
  technology

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The network on campus

• Within buildings switched Fast Ethernet
• Between buildings ? Gigabit Ethernet
• SURFnet
• 1994 4 Mbps
• 1997 34 Mbps
• 1999 155 Mbps
• 2000 1 Gbps
• 2002 20 Gbps

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Why connection at home?

• ICT in education
• Intranet
• Internet
• File serving
• Communication
• Education free of time
• Education free of place

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Why broadband connection?

• Course Management Systems
• Streaming video
• Multicast
• Videoconferencing
• Collaborative workspace

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1992 dial back

• Own modem pool
• For file-transfer and internal e-mail
• 14.4 kbps, later 28.8 kbps
• In the beginning free of charge
• Later 300 minutes/month free
• Results
• Number of accounts slowly growing
• Users want to be always on

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1994 CAMPUSnet

• all 2000 student rooms on campus
• 10 Mbps shared Ethernet
• Fee 7 per month
• Also free e-mail account for all students
• Result from 50 subscription ? 100

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1996 ISDN

• Faster 64 or 128 kbps
• Phone calls possible while surfing
• More used by staff then by students

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1998 Dial-in

• Special contract with cable company
• PSTN and ISDN
• Free of charge (except phone pulses)
• Local phone tariff everywhere in NL
• Possible by competition in telecom world
• All students and staff an account

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1999 update CAMPUSnet

• 50 hubs replaced by switches
• Faster10 Mbps shared ? 100 Mbps switched
• Safer no sniffling anymore
• Paid by raising fee from 7 to 10
• Conclusion once you possess the localloop,
  updating the technology is affordable.

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April 2000 cable modems

• Special arrangement with cable company
• Faster maximum 0.5 Mbps
• Authentication by UT
• Fixed IP-numbers intranet access
• At last a flat fee 19
• Sharing the connection permitted

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July 2000 ADSL

• Access Pilot with GigaSURF
• Partner datacom company Casene
• Concentrators in 6 cities in the region
• Minimum 2 Mbps ? 8 Mbps
• Flat fee 36
• Results earlier at our disposal, much more
  bandwidth, more certainty, a lot cheaper.

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Menu à la carte
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200X wireless

• Wireless LANs
• GPRS
• UMTS

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Internet traffic during the day

• Twente

Big city
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Prognosis
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How to lower costs and improve quality

• The telco only for the local loop
• To be done within university
• Authentication
• Access to Internet
• E-mail and other network services
• Helpdesk
• Administration and billing
• Keep administration simple

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Conclusion

• The connections to the homes commercial ISPs
  offer are not fast enough for a reasonable price.
  
• Universities should take responsibility for
  broadband Internet access of their students, if
  they have any ambition with ICT in education.

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thank you