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WLAN @ UT

WLAN @ UT. Gert Meijerink Service Departement for Information Technology, Library and Education (ITBE) Gert.Meijerink@utwente.nl. Agenda. University of Twente Program Wireless Campus Project WLAN @ UT Infrastructure Testbed Education. Campus. Research and education Sport, culture, shops

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WLAN @ UT

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  1. WLAN @ UT Gert MeijerinkService Departement for Information Technology, Library and Education (ITBE)Gert.Meijerink@utwente.nl DFN 2004

  2. Agenda • University of Twente • Program Wireless Campus • Project WLAN @ UT • Infrastructure • Testbed • Education DFN 2004

  3. Campus • Research and education • Sport, culture, shops • Housing of 2000 students • 9000 students and employees • Related companies DFN 2004

  4. Program Wireless Campus • Broad range of research and applications of wireless and mobile telecommunication • In the past WAP, now WLAN and UMTS • ‘testbed’ for wireless applications DFN 2004

  5. Project WLAN @ UT • European tender procedure • Installed a Wireless LAN • 650 wireless accesspoints - type Cisco 1200 • Covers whole of the 140 hectares (346 acres) of the university campus • Part of the ‘Wireless Campus’ project of the university • Possible with financial support of the Dutch Ministry of Economic Affairs • Built in cooperation with IBM Netherlands and Cisco Systems DFN 2004

  6. Cisco Aironet 1200 Series DFN 2004

  7. WLAN infrastructure(1) • Enables students and scientists of the university access to the Internet everywhere • on the university campus • in the university buildings • the dormitories • by the poolside • the campus park DFN 2004

  8. WLAN infrastructure(2) • Improves the flexibility and independence of time and location • Facilitates new ways of teaching • New teaching concepts also enable a more flexible use of teaching rooms DFN 2004

  9. WLAN infrastructure(3) • Standards • IEEE802.11b 11 megabit standard • IEEE802.11a 54 megabit standard • IEEE802.11g 54 megabit standard • IEEE802.1X access control DFN 2004

  10. Installation • Site survey • Radio plan • AP’s • Antenna’s • Experiences described in cookbook (Dutch) DFN 2004

  11. Coverage • 4 categories defined • Lecture rooms • Conference rooms • Dormitories • Public areas • With different quality requirements DFN 2004

  12. Management AP’s • One station for managing all the AP’s • CISCO WLSE – Wireless LAN Security Engine • Template based configuration of AP’s • Secure HTML-based UI • Role based access control DFN 2004

  13. Security • Physical • Network access • IEEE 802.1X • EAP-TTLS • Dynamic WEP-keys DFN 2004

  14. 802.1X Overview • A method for performing authentication to obtain access to IEEE 802 LANs. Ideally occurs at the first point of attachment (i.e. the edge) • Specifies a protocol (EAPOL) between devices desiring access to the bridged LAN and devices providing access to the bridged LAN • Specifies the requirements for a protocol between the Authenticator and an Authentication server (e.g. RADIUS) • Specifies different levels of access control and the behavior of the port providing access to the bridged LAN • Specifies management operations via SNMP DFN 2004

  15. Local authentication DFN 2004

  16. bijv. LDAP EAP over RADIUS EAPOL AS voorziet Authenticator en Supplicant van tijdelijke WEP-keys. Local authentication switch of Wireless Access Point RADIUS server Supplicant Authenticator Authentication Server User DB Internet signalling data DFN 2004

  17. Local authentication Supplicant Authenticator Authentication Server User DB Nu is veilige communicatie mogelijk Internet signalling data DFN 2004

  18. Authentication of guests DFN 2004

  19. Authentication of guests Supplicant Authenticator RADIUS server Instelling A RADIUS server Instelling B User DB User DB Internet Centrale RADIUS Proxy server signalling data DFN 2004

  20. Authentication of guests Supplicant Authenticator RADIUS server Instelling A RADIUS server Instelling B User DB User DB Internet Centrale RADIUS Proxy server signalling data DFN 2004

  21. User support • HELPdesk • IT-shop • Installation service • Installation guides • Installatiehandleiding WLAN@UT voor Windows XPInstallatiehandleiding WLAN@UT voor Windows 2000SecureW2 Client v1.0 Installation Guide SecureW2 Client v1.0 SoftwareSecureW2 Client v1.0 User Guide • Installatiehandleiding WLAN@UT -GUEST- netwerkInstallatiehandleiding WLAN@UT voor MACInstallatiehandleiding WLAN@UT –GUEST- MACTest draadloze netwerkkaarten DFN 2004

  22. TESTBED • Test products • Finding business applications for information technology and telecommunications research DFN 2004

  23. Education • Examples • Industrial Design • Technical Medicine DFN 2004

  24. E-Learning and Wireless Where are we going with e-learning? Will wireless get us there faster/better? Prof. dr. Betty Collis Shell Professor of Networked Learning University of Twente, The Netherlands DFN 2004

  25. Higher Education: Trend • Network technologies are widely used in teaching and learning: but as part of a blend • Not replacing the instructor • Not replacing the lecture or the book, but extending them DFN 2004

  26. Logistics of learning: To make processes more efficient, easier, more professional, better organized, just-in-time, archivable Pedagogic of learning: To extend and enrich how you learn; via better social learning, new models of learning; new ways of creating, designing, and building learning Two types of flexibility… DFN 2004

  27. Organizing Archiving Finding Saving Maintaining agenda Synchronizing Communicating Submitting Contacting Transferring, sharing With flexibility of time and place Logistics of learning DFN 2004

  28. From being given to finding or creating From fixed to options From listening to doing From one-size-fits-all to tailoring From copying notes to presenting Teaching and learning flexibility Pedagogical flexibility DFN 2004

  29. From lab to collaboratory DFN 2004

  30. From isolation (even in a crowd) to collaboration where you want DFN 2004

  31. E-Learning and Wireless Where are we going with e-learning? Will wireless get us there faster/better? Yes! Prof. dr. Betty Collis Shell Professor of Networked Learning collis@edte.utwente.nl DFN 2004

  32. Links and more information • University of Twente • www.utwente.nl • WLAN • cookbook • Installation guides http://www.snt.utwente.nl/handleidingen/manuals.html • 802.1X • http://www.surfnet.nl/innovatie/wlan/ • Education • Lisa Gommer e-mail: e.m.gommer@utwente.nl • Prof. Dr. Betty Collis e-mail collis@edte.utwente.nl DFN 2004

  33. ??? DFN 2004

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